10 Vạn Câu Hỏi Vì Sao - Vũ Trụ Kỳ Bí (Mai Vinh)

["C\u00f3 nh\u1eefng h\u1ed3 do n\u00fai l\u1eeda ho\u1ea1t \u0111\u1ed9ng m\u00e0 h\u00ecnh th\u00e0nh. D ung nham ch\u1ea3y ra l\u1ea5p k\u00edn c\u00e1c l\u1ed1i ra c\u1ee7a khe n\u00fai, do \u0111\u00f3 h\u00ecnh th\u00e0nh h\u1ed3. Mi\u1ec7ng c\u1ee7a n\u00fai l\u1eeda \u0111\u00e3 ch\u1ebft ch\u1ee9a \u0111\u1ea7y n\u01b0\u1edbc c\u0169ng h\u00ecnh th\u00e0nh h\u1ed3. H\u1ed3 n\u00fai l\u1eeda \u1edf mi\u1ec1n nam bang Oregon c\u1ee7a n\u01b0\u1edbc M\u1ef9 l\u00e0 m \u1ed9t th\u00ed d\u1ee5. B\u1ed3n \u0111\u1ecba h\u00ecnh th\u00e0nh gi\u1eefa c\u00e1c s\u00f4ng b\u0103ng khi \u0111\u1ea7y n\u01b0\u1edbc c\u0169 n g tr\u1edf th \u00e0n h h\u1ed3. N \u0103m h\u1ed3 l\u1edbn \u1edf B\u1eafc M\u1ef9 (tr\u1eeb h\u1ed3 Superior) v\u00e0 h\u1ed3 VVinnipeg \u1edf C anada thu\u1ed9c v\u00e0o lo\u1ea1i n\u00e0y. T\u1ea1i nh \u1eef n g v \u00f9 n g b\u1edd bi\u1ec3n, c\u00f3 tr\u01b0\u1eddng h\u1ee2p s\u00f3ng bi\u1ec3n l\u00e0 n\u01b0\u1edbc ch\u1ea3y t\u1eeb b\u1edd bi\u1ec3n xu\u00f4ng cu\u1ed1n c\u00e1c v\u1eadt tr\u1ea7m t\u00edch l\u00e2p k\u00edn l\u00f4\u00ec ra c\u1ee7a v\u00f9ng bi\u1ec3n, do \u0111\u00f3 h\u00ecnh th\u00e0nh nh\u1eefng h\u1ed3 c\u00f3 t\u00ednh t\u1ea1m th\u1eddi. Lo\u1ea1i h\u1ed3 n\u00e0y c\u00e1ch ly v\u1edbi bi\u1ec3n v\u00e0 c\u1eeda s\u00f4ng. C\u00f3 tr\u01b0\u1eddng h\u1ee2p n\u01b0\u1edbc s\u00f4ng tr\u00e0n qua b\u1edd s\u00f4ng \u0111em theo \u0111 \u1ea5t c\u00e1t khi nh\u1eefng ph\u00f9 sa n\u00e0y \u0111\u1ecdng l\u1ea1i s\u1ebd h\u00ecnh th\u00e0nh c\u00e1nh \u0111\u1ed3ng. Khi n\u01b0\u1edbc l\u1ee5t tr\u00e0n v\u00e0o, c\u00e1nh \u0111\u1ed3ng \u0111\u00f3 s\u1ebd tr\u1edf th\u00e0nh h\u1ed3 n\u01b0\u1edbc. T\u1ea1i nh\u1eefng n\u01a1i d\u01b0\u1edbi t\u1ea7ng \u0111\u00e2t c\u00f3 nham th\u1ea1ch \u0111\u00e1 v\u00f4i, n\u01b0\u1edbc ng\u1ea7m s\u1ebd h\u00f2a tan \u0111\u00e1 v\u00f4i v\u00e0 m ang ch\u00fang \u0111i v\u1edbi s\u1ed1 l\u01b0\u1ee3ng r\u00e2\\\"t l\u1edbn, do \u0111\u00f3 ch\u1ed7 n \u00e0y s\u1ebd h\u00ecnh th\u00e0nh m \u1ed9t h \u1ed1 \u0111\u1ecdng n\u01b0\u1edbc kh\u1ed5ng l\u1ed3. Khi l\u1ed1i ra b\u1ecb \u1ea3\u1ea5\u00ed b\u00edt k\u00edn, c\u00e1c h \u1ed1 n\u00e0y tr\u1edf th\u00e0nh h\u1ed3 n\u01b0\u1edbc. Bang Plorida \u1edf M\u1ef9 c\u00f3 nhi\u1ec1u lo\u1ea1i h\u1ed3 n\u00e0y. C\u0169ng c\u00f3 nh\u1eefng h\u1ed3 do con ng\u01b0\u1eddi l\u00e0m ra. Khi \u0111\u1eafp \u0111 \u1eadp ng\u0103n s\u00f4ng, ph\u00eda th\u01b0\u1ee3ng ngu\u1ed3n s\u1ebd h\u00ecnh V \u0169 tr\u1ee5 k\u1ef3 b\u00ed 153 https:\/\/thuviensach.vn","th\u00e0nh h\u1ed3 nh\u00e2n t\u1ea1o, th\u00ed d\u1ee5 khi x\u00e2y \u0111\u1eadp Hoover tr\u00ean s\u00f4ng Colorado, \u0111\u00e3 h\u00ecnh th\u00e0nh h\u1ed3 Mid. Vi sao trong l\u00f2ng Tr\u00e1\u1ec9 \u0110\u1ea5t tg \u1ec9 am ch\u1ec9a l\u00e0m nhi\u00eau t\u1ea7ng? Tr\u00e1i \u0110\u00e2\\\"t m\u00e0 ch\u00fang ta \u0111 an g sinh s\u00f4ng l\u00e0 m \u1ed9t qu\u1ea3 c\u1ea7u kh\u1ed5ng l\u1ed3. Trong l\u00f2ng qu\u1ea3 c\u1ea7u kh\u1ed5ng l\u1ed3 n\u00e0y \u0111\u01b0\u1ee3c ph\u00e2n l\u00e0m nhi\u1ec1u t\u1ea7ng kh\u00e1c nhau nh\u01b0ng t\u1ed5ng th\u1ec3 c\u00f3 th\u1ec3 chia l\u00e0m ba t\u1ea7ng ch\u00ednh sau: Ph\u1ea7n v\u1ecf Tr\u00e1i \u0110\u1ea5t, ph\u1ea7n c\u00f9i Tr\u00e1i \u0110\u1ea5t v\u00e0 ph\u1ea7n nh\u00e2n Tr\u00e1i \u0110\u1ea5t. V\u00ec sao c\u1ea5u tr\u00fac Tr\u00e1i \u0110 \u1ea5t l\u1ea1i h \u00ecnh th \u00e0n h n h i\u1ec1u t\u1ea7ng l\u1edbp nh\u01b0 v\u1eady? C\u00e1c nh\u00e0 khoa h\u1ecdc cho r\u1eb1ng: Tr\u00e1i \u0110\u1ea5t h\u00ecnh th\u00e0nh do s\u1ef1 k\u1ebft tinh c\u1ee7a c\u00e1c \u0111\u00e1m tinh v\u00e2n (m\u00e2y b\u1ee5i v\u0169 tr\u1ee5) n\u00f3ng ch\u1ea3y. Theo c\u00e1ch suy lu\u1eadn n\u00e0y th\u00ec khi Tr\u00e1i \u0110\u1ea5t \u1edf tr\u1ea1ng th\u00e1i n\u00f3ng ch\u1ea3y, do th\u1ec3 tr\u1ecdng c\u1ee7a v\u1eadt ch\u1ea5t kh\u00e1c nhau n\u00ean v\u1eadt ch\u1ea5t 154 0 https:\/\/thuviensach.vn","c\u00f3 t\u1ec9 tr\u1ecdng l\u1edbn s\u1ebd ch\u00ecm xu\u1ed1ng c\u00f2n c\u00e1c v \u1ead t ch\u00e2\\\"t c\u00f3 t\u1ec9 tr\u1ecdng nh\u1eb9 h\u01a1n s\u1ebd n\u1ed5i tr\u00ean m\u1eb7t. N h\u1eefng th\u1ee9 v\u1eadt ch\u1ea5t n \u1eb7n g nh\u00e2\\\"t s\u1ebd t\u1eadp trung v\u00e0o trung t\u00e2m Tr\u00e1i \u0110\u1ea5t. N h\u1eefng v\u1eadt ch\u1ea5t nh\u1eb9 h\u01a1n s\u1ebd \u1edf b\u00ean ngo\u00e0i, sau \u0111\u00f3 \u0111\u00f4ng k\u1ebft l\u1ea1i th\u00e0nh l\u1edbp v\u1ecf Tr\u00e1i \u0110\u1ea5t. Do \u0111\u00f3, trong l\u00f2ng Tr\u00e1i \u0110\u00e2T c\u1ee7a ch\u00fang ta m\u1edbi c\u00f3 nhi\u1ec1u t\u1ea7ng l\u1edbp nh\u01b0 v\u1eady. T\u1ea1\u1ec9 S(W n\u1eb1\u1eeftw c\u1ea5 iv\u00e2 n g th\u01b0\u1eddng tr\u00f9n v\u00e0 \u1ec9\u1ea1 \u1ec9 h\u00e9p? Nh\u1eefng c\u1ea7u v\u1ed3ng th\u00f4ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh khi \u00e1nh s\u00e1ng m \u1eb7t tr\u1eddi chi\u1ebfu qua c\u00e1c h\u1ea1t m\u01b0a. C\u00e1c gi\u1ecdt m\u01b0a n\u00e0y c\u00f3 t\u00e1c d \u1ee5ng gi\u00f4ng nh\u01b0 l\u0103ng k\u00ednh v\u00e0 t\u00e1n x\u1ea1 \u00e1nh s\u00e1ng m \u1eb7t tr\u1eddi th\u00e0nh quang ph\u1ed5 m \u00e0u s\u1eafc quen thu\u1ed9c: \u0111\u1ecf, cam, v\u00e0ng, xanh l\u1ee5c, xanh lam, ch\u00e0m , t\u00edm. C\u1ea7u v\u1ed3ng c\u00f3 h\u00ecnh tr\u00f2n do c\u00f3 li\u00ean quan \u0111\u1ebfn \u0111\u1eb7c t\u00ednh h\u00ecnh h\u1ecdc khi nh\u00ecn ch\u00fang. B\u1ea1n th\u00e2y m \u1ed9t c\u00e1i c\u1ea7u v\u1ed3ng khi M \u1eb7t Tr\u1eddi \u1edf ph\u00eda sau l\u01b0ng b\u1ea1n v\u00e0 c\u00e1c h\u1ea1t m\u01b0a th\u00ec \u1edf trong c\u00e1c \u0111\u00e1m m \u00e2y ph\u00eda tr\u01b0\u1edbc m \u1eb7t b\u1ea1n. C\u00e1c tia s\u00e1ng \u0111i qua tr\u00ean \u0111 \u1ea7u b\u1ea1n t\u1eeb ph\u00eda sau, chi\u1ebfu v\u00e0o c\u00e1c h \u1ea1 t m u\u2019a, b\u1ecb t\u00e1n x\u1ea1 th \u00e0nh m \u00e0u s\u1eafc, p h \u1ea3 n x\u1ea1 ra ph\u00eda sau c\u00e1c h\u1ea1t m\u01b0a r\u1ed3i \u0111i v\u00e0o m \u1eaft b\u1ea1n. M \u1eaft ph\u1ea3i ti\u1ebfp nh\u1eadn c\u00e1c tia s\u00e1ng chi\u1ebfu t\u1edbi t\u1eeb h\u1ea1t m\u01b0a theo m \u1ed9t g\u00f3c c\u1ee5 th\u1ec3 \u0111\u1ec3 c\u00f3 th\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c m \u00e0u V\u0168 tr\u1ee5 k\u1ef3 b\u00ed 155 https:\/\/thuviensach.vn","s\u1eafc. M \u1ed9t c\u1ea7u v\u1ed3ng nh\u00ecn \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh n\u1ebfu c\u00e1c h \u1ea1t m \u01b0a n\u1eb1m \u0111 \u00fa n g v\u1ecb tr\u00ed, nh\u1edd \u0111\u00f3 s\u1ebd c\u00f3 m \u1ed9t g\u00f3c nh\u1ea5t \u0111\u1ecbnh gi\u1eefa M \u1eb7t Tr\u1eddi, gi\u1ecdt m\u01b0a v\u00e0 m \u1eaft b\u1ea1n. C\u00e1i g\u00f3c n \u00e0y p h \u1ea3i l\u00e0 g\u00f3c c\u00f4' \u0111\u1ecbn h v\u00e0 \u0111\u1eb7c t\u00ednh h\u00ecnh h\u1ecdc gi\u1eef cho g\u00f3c n\u00e0y kh\u00f4ng \u0111\u1ed5i c\u00f3 li\u00ean quan t\u1edbi m \u1ed9t \u0111\u01b0\u1eddng tr\u00f2n. B\u1ea1n ch\u1ec9 c\u00f3 th\u1ec3 nh\u00ecn th\u00e2y m \u1ed9t ph\u1ea7n \u0111\u01b0\u1eddng tr\u00f2n n\u00e0y n\u1eb1m ph\u00eda tr\u00ean \u0111\u01b0\u1eddng ch\u00e2n tr\u1eddi. N \u1ebfu b\u1ea1n t\u01b0\u1edfng t\u01b0\u1ee3ng ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a \u0111\u01b0\u1eddng tr\u00f2n n\u1eb1m \u1edf \u0111\u00e2u, b\u1ea1n s\u1ebd th\u00e2'y l\u00e0 b\u1ea1n c\u00f3 th\u1ec3 v\u1ebd m \u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng t\u1eeb M \u1eb7t Tr\u1eddi xuy\u00ean qua \u0111\u1ea7u b\u1ea1n \u0111\u1ebfn \u0111i\u1ec3m gi\u1eefa c\u1ee7a h\u00ecnh tr\u00f2n, m\u00e0 m \u1ed9t p h \u1ea7n c\u1ee7a n\u00f3 ch\u00ednh l\u00e0 c\u1ea7u v\u1ed3ng. \u0110i\u1ec1u n\u00e0y nghe c\u00f3 v\u1ebb thi v\u1ecb, nh\u01b0ng v\u1ec1 m \u1eb7t khoa h\u1ecdc, kh\u00f4ng c\u00f3 hai ng\u01b0\u1eddi n\u00e0o nh\u00ecn th\u00e2y c\u00f9ng m \u1ed9t c\u1ea7u v\u1ed3ng. N\u1ebfu ba ng\u01b0\u1eddi c\u00f9ng nh\u00ecn v\u00e0o c\u1ea7u v\u1ed3ng, m\u1ed7i ng\u01b0\u1eddi \u0111\u1ec1u \u1edf m\u1ed9t g\u00f3c \u0111\u1ee9ng \u0111\u1ec3 nh\u00ecn th\u1ea5y c\u1ea7u v\u1ed3ng \u0111\u00f3. \u0110\u00f4i khi ng\u01b0\u1eddi ta c\u00f2n nh\u00ecn th\u1ea5y m \u1ed9t c\u1ea7u v\u1ed3ng th\u1ee9 hai b\u00ean ngo\u00e0i c\u1ea7u v\u1ed3ng th\u1ee9 nh\u00e2't, m \u1ed9t v\u00f2ng tr\u00f2n l\u1edbn h\u01a1n. M\u00e0u s\u1eafc \u1edf c\u1ea7u v\u1ed3ng th\u1ee9 hai n\u00e0y s\u1eafp x\u1ebfp ng\u01b0\u1ee3c l\u1ea1i, r\u1ea5t m\u1edd \u1ea3o m \u1ed9t c\u00e1ch kh\u00e1 \u0111\u1eb7c tr\u01b0ng. \u0110 i\u1ec1u x\u1ea3y ra ch\u00ednh l\u00e0 \u00e1 n h s\u00e1ng \u0111i c\u00f9ng theo m \u1ed9t con \u0111\u01b0\u1eddng, nh\u01b0 ng tia s\u00e1ng \u0111\u01b0\u1ee3c p h \u1ea3 n x\u1ea1 l\u1ea1i hai l\u1ea7n trong gi\u1ecdt m\u01b0a. Hai l\u1ea7n ph\u1ea3n x\u1ea1 \u0111em l\u1ea1i hai hi\u1ec7u qu\u1ea3; tr\u1eadt t\u1ef1 m \u00e0u s\u1eafc b\u1ecb l\u1eadt ng\u01b0\u1ee3c v\u00e0 trong m\u1ed7i l\u1ea7n ph\u1ea3n x\u1ea1 \u00e1nh s\u00e1ng b\u1ecb y\u1ebfu \u0111i, ph\u00e2n t\u00e1n ra kh\u1ecfi h\u1ea1t m\u01b0a, l\u00e0m cho c\u1ea7u v\u1ed3ng th\u1ee9 hai m\u1edd \u1ea3o v\u00e0 \u00edt khi \u0111\u01b0\u1ee3c nh\u00ecn th\u00e2'y. 156 0 https:\/\/thuviensach.vn","\u0110\u1ec3 t\u1ef1 ki\u1ec3m ch\u1ee9ng, v\u00e0o l\u00fac th\u1eddi ti\u1ebft \u1ea5m, b\u1ea1n c\u00f3 th\u1ec3 t\u1ef1 t\u1ea1o ra m \u1ed9t c\u1ea7u v\u1ed3ng b\u1eb1ng \u00f4\\\"ng t\u01b0\u1edbi n\u01b0\u1edbc \u0111\u1ec3 sao cho n\u01b0\u1edbc phun ra th\u1eadt \u0111\u1eb9p v\u00e0 M \u1eb7t Tr\u1eddi n\u1eb1m \u0111\u00fang \u1edf ph\u00eda sau l\u01b0ng b\u1ea1n. Than \u1ee9\u00e1 c\u00f3 ph\u1ea3\u1ec9 (k) \u0111\u00e1 bi\u1ec3n th\u1ec1nh hh\u00f4ng? N \u1ebfu nh\u00e0 b \u1ea1n \u0111un b\u1ebfp l\u00f2 th\u00ec b \u1ea1n s\u1ebd nh\u00ecn th\u1ea5y nh\u1eefng h\u00f2n than \u0111en nh\u00e1nh, c\u1ee9ng ch\u1eb3ng kh\u00e1c g\u00ec nh \u1eef n g h\u00f2 n \u0111\u00e1 \u0111en. N h\u01b0ng than \u0111\u00e1 kh\u00f4ng p h \u1ea3i l\u00e0 do \u0111\u00e1 bi\u1ebfn th\u00e0r\u00ech \u0111\u00e2u. H \u00e0ng tri\u1ec7u n\u0103m v\u1ec1 tr\u01b0\u1edbc Tr\u00e1i \u0110 \u1ea5t m \u00e0 ch\u00fang ta \u0111ang s\u00f4ng c\u00f3 r\u00e2\\\"t n h i\u1ec1u c\u00e2y c\u1ed1i. Sau \u0111\u00f3, khi v\u1ecf Tr\u00e1i \u0110\u00e2^t bi\u1ebfn \u0111\u1ed5i, r\u1ea5 t n h i\u1ec1u c\u00e2y c\u1ed1i b\u1ecb v\u00f9i xu\u00f4ng \u0111\u00e2t s\u00e2u. L\u00e2u ng\u00e0y c\u00e2y tr\u1edf n\u00ean \u0111en c\u1ee9ng th\u00e0nh than \u0111\u00e1. Tuy nhi\u00ean, nh\u1eefng c\u00e2y to bi\u1ebfn th\u00e0nh than \u0111\u00e1 kh\u00f4ng ph\u1ea3i nh\u1eefng lo\u00e0i c\u00e2y ng\u00e0y nay m\u00e0 l\u00e0 nh\u1eefng c\u00e2y c\u1ed5 \u0111\u1ea1i th\u1eddi nguy\u00ean th \u1ee7 y xa x\u01b0a. \\\\\u00ec S(W cm (Wng s\u1ee1ng u\u1ed1n h\u00ec\u01b0k quanh co? V\u00e0o l\u00fac b\u1eaft \u0111 \u1ea7u h\u00ecnh th\u00e0nh d\u00f2ng ch\u1ea3y, l\u00f2ng s\u00f4ng th\u01b0\u1eddng kh\u00f4ng ph\u1ea9ng. N h\u1eefng n\u01a1i n\u01b0\u1edbc s\u00f4ng ch\u1ea3y qua, v\u00ec r\u1ea5t nhi\u1ec1u nguy\u00ean nh\u00e2n, n\u00ean t\u00f4'c \u0111 \u1ed9 c h \u1ea3 y \u1edf hai b \u00ea n tr\u00e1 i p h \u1ea3 i k h \u00f4 n g h o \u00e0 n to \u00e0 n b\u1eb1ng nhau. V\u0169 tr\u1ee5 k\u1ef3 b\u00ed 157 https:\/\/thuviensach.vn","V, \u2022- , . '\u00bb\u00ab:*W\u1ecb\u00ed,>.*N\u00ed\u00bb-.- -, \u2022 \u2022. ..,\u1ecb^ ji i ^'\u25a0-'- N\u01a1i n\u00e0y b\u1edd s\u00f4ng l\u1edf n\\\\\u1ed9t ch\u00fat, n\u01a1i kia m \u1ea5t m \u1ed9t c\u00e1i c\u00e2y, n\u01a1i kh\u00e1c n\u1eefa c\u00f3 th\u00eam d\u00f2ng n\u01b0\u1edbc ch\u1ea3y t\u1eeb b\u00ean ngo\u00e0i v\u00e0o. N h\u1eef ng hi\u1ec7n t\u01b0\u1ee3ng \u0111\u00f3 \u0111 \u1ec1 u c\u00f3 th \u1ec3 l\u00e0m cho t\u00f4\\\"c \u0111\u1ed9 ch\u1ea3y c\u1ee7a s\u00f4ng \u1edf m \u1ed9t n\u01a1i n\u00e0o \u0111\u00f3 nhanh l\u00ean ho\u1eb7c ch\u1eadm \u0111i. \u0110\u1ed3ng th\u1eddi v\u1eadt ch\u1ea5t hai b\u00ean b\u1edd c\u0169ng kh\u00e1c nhau, c\u00f3 n\u01a1i d\u1ec5 b\u1ecb ph\u00e1 v\u1ee1, c\u00f3 n\u01a1i l\u1ea1i kh\u00e1 r\u1eafn ch\u1eafc. T\u1ea5t c\u1ea3 nh\u1eefng c\u00e1i \u0111\u00f3 \u0111\u00e3 l\u00e0m cho l\u00f2ng s\u00f4ng tr\u1edf th\u00e0nh u\u1ed1n kh\u00fac q uanh co. M\u1ed9t khi \u0111\u00e3 sinh ra kh\u00fac quanh, n\u00f3 s\u1ebd ti\u1ebfp t\u1ee5c p h \u00e1 t tri\u1ec3n. B\u1edfi v\u00ec, h\u01b0 \u1edbng d \u00f2 n g n\u01b0\u1edbc l\u00e0 ch\u1ea3y th \u1eb3n g v\u00e0o b\u1edd l\u00f5m, h\u01a1n n\u1eefa n\u01b0\u1edbc \u1edf t\u1ea7ng tr\u00ean c\u0169ng t\u1eeb b\u1edd l\u1ed3i ch\u1ea3y v\u00e0o b\u1edd l\u00f5m, c\u00f2n n\u01b0\u1edbc \u1edf t\u1ea7ng d\u01b0\u1edbi l\u1ea1i t\u1eeb b\u1edd l\u00f5m ch\u1ea3y ngang v\u1ec1 ph\u00eda b\u1edd l\u1ed3i l\u00e0m cho b\u1edd l\u00f5m b\u1ecb ph\u00e1 ho\u1ea1i m \u1ea1nh m\u1ebd. Trong khi \u0111\u00f3 n\u01b0\u1edbc \u1edf b\u1edd l\u1ed3i l\u1ea1i ch\u1ea3y t\u01b0\u01a1ng \u0111\u1ed1 i ch\u1eadm , n \u0103n g l\u01b0\u1ee3ng y\u1ebfu. V\u00ec th \u1ebf \u1edf 158 o https:\/\/thuviensach.vn","ph\u00eda b\u1edd l\u00f5m, b\u00f9n c\u00e1t d\u1ec5 b\u1ecb cu\u1ed1n \u0111i, l\u00f2ng s\u00f4ng t\u01b0\u01a1ng \u0111\u1ed1i s\u00e2u, b\u1edd s\u00f4ng d\u1ed1c, tr\u1edf th\u00e0nh n\u01a1i l\u00fd t\u01b0\u1edfng cho c\u00e1c b\u1ebfn c\u1ea3ng. D\u01b0\u1edbi t\u00e1c d\u1ee5ng l\u00e2u d\u00e0i c\u1ee7a n\u01b0\u1edbc s\u00f4ng, b\u1edd l\u00f5m do b\u1ecb kh\u00f4ng ng\u1eebng ph\u00e1 ho\u1ea1i m\u00e0 ng\u00e0y c\u00e0ng l\u00f5m, b\u1edd l\u1ed3i v\u00ec n\u01b0\u1edbc ch\u1ea3y ch\u1eadm, b\u00f9n c\u00e1t kh\u00f4ng nh\u1eefng b\u1ecb cu\u00f4n \u0111i m\u00e0 ng\u01b0\u1ee3c l\u1ea1i c\u00f2n t\u00edch t\u1ee5 ng\u00e0y c\u00e0ng nhi\u1ec1u khi\u1ebfn b\u1edd l\u1ed3i ng\u00e0y c\u00e0ng l\u1ed3i th\u00eam . D\u00f2ng s\u00f4ng tr\u1edf n\u00ean q u anh co. Khi \u0111\u00e1y s\u00f4ng cao h\u01a1n m\u1ef1c n\u01b0\u1edbc ch\u1ea3y v\u00e0o s\u00f4ng, n\u01b0\u1edbc s\u00f4ng ch\u1ee7 y\u1ebfu x\u00e2m th\u1ef1c xu\u1ed1ng d\u01b0\u1edbi, c\u00f2n khi \u0111\u00e1y s\u00f4ng th\u00e2p h\u01a1n th\u00ec n\u01b0\u1edbc s\u00f4ng ch\u1ee7 y\u1ebfu x\u00e2m th\u1ef1c v\u00e0o hai b\u00ean. K\u1ebft qu\u1ea3 c\u1ee7a s\u1ef1 x\u00e2m th\u1ef1c l\u00e0 l\u00f2ng s\u00f4ng d\u1ea7n r\u1ed9ng th\u00eam ra, d\u00f2ng s\u00f4ng ng\u00e0y c\u00e0ng u\u1ed1n kh\u00fac, \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u v\u00e0 \u0111i\u1ec3m k\u1ebft th\u00fac c\u1ee7a m\u1ed9t kh\u00fac ng\u00e0y c\u00e0ng g\u1ea7n, th\u1eadm ch\u00ed cu\u1ed1i c\u00f9ng b\u1ecb xuy\u00ean qua. \u1edf hai \u0111\u1ea7u c\u1ee7a kh\u00fac cong c\u0169, b\u00f9n c\u00e1t t\u00edch \u0111\u1ecdng c\u00e0ng nhi\u1ec1u, l\u00e0m cho kh\u00fac cong v\u00e0 d\u00f2ng ch\u1ea3y b\u1ecb t\u00e1ch r\u1eddi, cu\u1ed1i c\u00f9ng h\u00ecnh th\u00e0nh nh\u1eefng chi\u1ebfc h\u1ed3 h\u00ecnh c\u00e1nh cung, hay h\u1ed3 h\u00ecnh m \u00f3ng ng\u1ef1a (H\u1ed3 T\u00e2y l\u00e0 m \u1ed9t \u0111i\u1ec3n h\u00ecnh). \\\\\u00ec sao f\u00ed\u1eb1\u1ec9 C\u00d3s tm g l\u1ec9i\u00ec \u00ed\u00e0\u1edfi t\u1ec9\u1ec3 t thu\u1eebng n\u1ea5ng? S\u1ef1 h\u00ecnh th\u00e0nh nh\u1eefng h\u1ea1t s\u01b0\u01a1ng c\u1ea7n c\u00f3 nh\u1eefng \u0111i\u1ec1u ki\u1ec7n kh\u00ed h \u1eadu nh\u1ea5t \u0111\u1ecbnh. \u0110\u00f3 l\u00e0 do s\u1ef1 kh\u1ed1ng ch\u1ebf V\u0169 tr\u1ee5 k\u1ef3 b\u00ed 159 https:\/\/thuviensach.vn","c\u1ee7a \u00e1p kh\u00ed cao, \u00edt gi\u00f3, tr\u1eddi quang m \u00e2y t\u1ea1nh, nhi\u1ec7t l\u01b0\u1ee3ng tr\u00ean m \u1eb7t \u0111\u00e2^t t\u00e1n r\u1ea5t nhanh, n h i\u1ec7t \u0111\u1ed9 gi\u1ea3m xu\u1ed1ng. Khi h\u01a1i n\u01b0\u1edbc g\u1eb7p ph\u1ea3i m \u1eb7t \u0111\u00e2d ho\u1eb7c nh\u1eefng v\u1eadt th\u1ec3 t\u01b0\u01a1ng \u0111\u1ed1i l\u1ea1nh th\u00ec s\u1ebd h\u00ecnh th\u00e0nh s\u01b0\u01a1ng. Vt sao gi\u00f3 tr\u00ean m \u1eadt mt\u1edfc t\u1ee7n \u1ec9m gi\u00f3 tr\u00ean m \u1eadt \u00fa \u0103t? Trong \u0111\u00eam h\u00e8 oi b\u1ee9c bao gi\u1edd ng\u01b0\u1eddi ta c\u0169ng th\u00edch ra g\u1ea7n b\u1edd s\u00f4ng, b\u1edd h\u1ed3 ho\u1eb7c l\u00ean tr\u00ean c\u1ea7u h\u00f3ng m \u00e1t v\u00ec n\u01a1i \u0111\u00f3 g\u1ea7n b\u1edd s\u00f4ng. N\u01a1i b\u1edd h\u1ed3 ch\u1eb3ng nh\u1eefng nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng kh\u00ed t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p m\u00e0 gi\u00f3 \u1edf \u0111\u00f3 c\u0169ng l\u1edbn h\u01a1n tr\u00ean m \u1eb7t \u0111\u1ea5t n\u1eefa. N\u00f3i \u0111\u1ebfn \u0111i\u1ec1u \u0111\u00f3 h\u00ecnh nh\u01b0 kh\u00f3 l\u00e0m cho ng\u01b0\u1eddi ta tin trong kho\u1ea3ng m \u1ea5y ch\u1ee5c m \u00e9t l\u1ea1i c\u00f3 th\u1ec3 c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t l\u1edbn \u0111\u1ebfn th\u1ebf. \u0110\u00f3 l\u00e0 v\u00ec tr\u00ean m \u1eb7t s\u00f4ng h\u1ed3 \u00edt b\u1ecb che ch\u1eafn h\u01a1n so v\u1edbi tr\u00ean m \u1eb7t \u0111\u00e2d, l\u1ef1c c\u1ea3n (l\u1ef1c ma s\u00e1t) \u0111\u1ed1i v\u1edbi s\u1ef1 l\u01b0u \u0111\u1ed9ng c\u1ee7a kh\u00f4ng kh\u00ed nh\u1ecf. C\u00f3 v\u00f9ng l\u00f2ng s\u00f4ng \u0111\u1ed1i di\u1ec7n v\u1edbi c\u1eeda gi\u00f3, m \u1ed9t khi kh\u00f4ng kh\u00ed th\u1ed5i v\u00e0o l\u00f2ng s\u00f4ng ch\u1ecbu s\u1ef1 g\u00f2 b\u00f3, l\u01b0u \u0111\u1ed9ng c\u0169ng s\u1ebd nhanh h\u01a1n. T\u1ea5t c\u1ea3 nh\u1eefng c\u00e1i \u0111\u00f3 c\u00f3 t\u00e1c d \u1ee5 n g l\u00e0m cho t\u1ed1c \u0111\u1ed9 gi\u00f3 c\u1ee7a b\u1edd s\u00f4ng hay b\u1edd h\u1ed3 tr\u1edf n\u00ean l\u1edbn h\u01a1n. T\u1eeb \u0111\u00f3 c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng, b\u1ea5t k\u1ec3 l\u00e0 ng\u00e0y hay \u0111\u00eam , gi\u00f3 b\u1edd s\u00f4ng, b\u1edd h\u1ed3 l\u00fac n\u00e0o c\u0169ng l\u1edbn h\u01a1n gi\u00f3 tr\u00ean m \u1eb7t \u0111\u1ea5t. 160 0 https:\/\/thuviensach.vn","T\u1ea1i sao b\u0103\u20ac l\u0169i chuy\u1ebfn O\u1eb9ngxoay tr\u00f2n theo m\u1ed9t h\u01b0\u1edbng ng\u01b0\u1ee3c chi\u00eaukim \u0111\u1ed5ngh\u00f4? B\u00e3o ch uy\u1ec3n \u0111\u1ed9ng xoay tr\u00f2 n theo m \u1ed9t h\u01b0\u1edbng l\u00e0 do s\u1ef1 c\u00e2n b\u1eb1ng c\u1ee7a c\u00e1c l\u1ef1c t\u00e1c \u0111\u1ed9ng trong kh\u00ed quy\u1ec3n. Tr\u00ean th\u1ef1c t\u1ebf c\u00f3 3 l\u1ef1c ch\u00ednh t\u00e1c \u0111\u1ed9ng l\u00ean m \u1ed9t c\u01a1n b\u00e3o: L\u1ef1c gradien kh\u00ed \u00e1p, l\u1ef1c coriolis v\u00e0 l\u1ef1c ly t\u00e2m. - L\u1ef1c gradien kh\u00ed \u00e1p l\u00e0m cho kh\u00f4ng kh\u00ed di chuy\u1ec3n t\u1eeb n\u01a1i c\u00f3 kh\u00ed \u00e1p cao \u0111\u1ebfn n\u01a1i c\u00f3 kh\u00ed \u00e1p th\u00e2p h\u01a1n (gi\u00f4ng nh\u01b0 n\u01b0\u1edbc ch\u1ea3y t\u1eeb ch\u1ed7 \u0111\u1ea5t cao \u0111\u1ebfn ch\u1ed7 \u0111\u00e2T th\u00e2p, hay gi\u1ed1ng n h \u01b0 vi\u00ean bi l\u0103n tr\u00ean m \u1eb7t b\u00e0n b\u1ecb nghi\u00eang). Trong c\u01a1n b\u00e3o kh\u00ed \u00e1p th \u00e2p nh\u00e2T \u1edf t\u00e2m n\u00ean kh\u00f4ng kh\u00ed chuy\u1ec3n \u0111\u1ed9ng v\u1ec1 ph\u00eda \u0111\u00f3. V\u0169 tr\u1ee5 k\u1ef3 b\u00ed 161 https:\/\/thuviensach.vn","- L\u1ef1c Coriolis sinh ra do s\u1ef1 t\u1ef1 quay quanh tr\u1ee5c c\u1ee7a Tr\u00e1i \u0110\u1ea5t. L\u1ef1c n\u00e0y l\u00e0m cho gi\u00f3 l\u1ec7ch v\u1ec1 ph\u00eda ph\u1ea3i (\u1edf B\u1eafc b \u00e1n c\u1ea7u). V\u00ec v\u1eady, khi k h \u00f4 n g kh\u00ed chuy\u1ec3n \u0111\u1ed9ng v\u1ec1 ph\u00eda t\u00e2m b\u00e3o, n\u00f3 c\u0169ng b\u1eaft \u0111\u1ea7u di chuy\u1ec3n h\u01b0\u1edbng v\u1ec1 ph\u00eda b\u00ean ph\u1ea3i. Do \u0111\u00f3, kh\u00f4ng kh\u00ed chuy\u1ec3n \u0111\u1ed9ng xung quanh t\u00e2m b\u00e3o c\u00f3 chi\u1ec1u ng\u01b0\u1ee3c chi\u1ec1u kim \u0111\u1ed3ng h\u1ec1. - L\u1ef1c ly t\u00e2m \u0111\u1ea9y kh\u00f4ng kh\u00ed chuy\u1ec3n \u0111\u1ed9ng v\u0103ng ra ph\u00eda ngo\u00e0i khi b\u00e3o \u0111ang quay. N h\u01b0 v\u1eady, trong khi l\u1ef1c gradien kh\u00ed \u00e1p \u0111\u1ea9y gi\u00f3 v\u1ec1 ph\u00eda kh\u00ed \u00e1 p th\u00e2\\\"p (trung t\u00e2m ) th\u00ec l\u1ef1c ly t\u00e2m l\u1ea1i \u0111\u1ea9y n\u00f3 ra ph\u00eda ngo\u00e0i, ch\u00ednh v\u00ec v\u1eady kh\u00f4ng kh\u00ed tr\u00f4ng gi\u1ed1ng nh\u01b0 \u0111ang chuy\u1ec3n \u0111\u1ed9ng xoay tr\u00f2n. T\u1ea1i sao b\u00e3\u20ac hh\u1ee1ngm\u0103t hi\u1ec7n \u1edfg\u0103n X\u1ec8C\u1ec8I \u0111\u1ecd\u20ac? B\u00e3o ch\u1ec9 xu\u1ea5t hi\u1ec7n \u1edf kh\u00e1 xa v\u1ec1 ph\u00eda B\u1eafc hay ph\u00eda Nam \u0111\u01b0\u1eddng x\u00edch \u0111\u1ea1o. N \u1ebfu c\u00e1c d\u00f2ng kh\u00ed h\u1ed9i t\u1ee5 v\u1edbi nhau \u1edf ngay x\u00edch \u0111\u1ea1o th\u00ec s\u1ebd g\u00e2y n\u00ean d\u00f2ng th\u0103ng, nh\u01b0 h\u01a1i b\u1ed1c l\u00ean t\u1eeb m \u1ed9t l\u00f2 cao. N h\u01b0 ta \u0111\u00e3 bi\u1ebft, \u1edf x\u00edch \u0111\u1ea1o l\u1ef1c Coriolis kh\u00f4ng c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 chuy\u1ec3n \u0111 \u1ed9 n g c\u1ee7a kh\u00f4ng kh\u00ed. Ch\u1ec9 t\u1eeb v\u0129 \u0111\u1ed9 6 - 15 \u0111\u1ed9 v\u0129 \u1edf hai b\u00ean x\u00edch \u0111\u1ea1o th\u00ec l\u1ef1c Coriolis m\u1edbi ph\u00e1t huy t\u00e1c d\u1ee5ng. N h\u01b0 v\u1eady, b\u00e3o ch\u1ec9 c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n \u1edf n\u01a1i n\u00e0o c\u00f3 l\u1ef1c Coriolis g\u00e2y \u1ea3nh h\u01b0\u1edfng r\u00f5 r\u1ec7t \u0111\u1ebfn s\u1ef1 di 162 0 https:\/\/thuviensach.vn","chuy\u1ec3n c\u1ee7a kh\u00f4ng kh\u00ed. V\u00ec th\u1ebf, g\u1ea7n x\u00edch \u0111\u1ea1o (trong ph\u1ea1m vi 5 \u0111\u1ed9 v\u0129 \u1edf 2 b\u00ean x\u00edch \u0111\u1ea1o) ng\u01b0\u1eddi ta kh\u00f4ng th\u1ea5y b\u00e3o xu\u1ea5t hi\u1ec7n. T\u1ea1iS(W c\u00f3gi\u00f3 l\u1ed1c? N guy\u00ean nh\u00e2n sinh ra gi\u00f3 l\u1ed1c l\u00e0 nh\u1eefng d\u00f2ng kh\u00ed n\u00f3ng b\u1ed1c l\u00ean cao m \u1ed9t c\u00e1ch m \u1ea1nh m\u1ebd, \u0111\u1ed3ng th\u1eddi nh\u1eefng d\u00f2ng kh\u00ed n\u00e0y l\u1ea1i chuy\u1ec3n \u0111\u1ed9ng xo\u00e1y. Trong nh\u1eef ng ng \u00e0y n\u00f3ng n\u1ef1c, m \u1eb7t \u0111\u00e2\\\"t b\u1ecb \u0111\u1ed1t n\u00f3ng kh\u00f4ng \u0111\u1ec1u nhau. Do nh\u1eefng \u0111i\u1ec1u ki\u1ec7n h\u00e2p th\u1ee5 n hi\u1ec7t th u \u1eadn l\u1ee3i, m \u1ed9t kho\u1ea3ng n h \u1ea5 t \u0111\u1ecbnh n\u00e0o \u0111\u00f3 n\u00f3n g hc\u00edn c\u00e1c kho\u1ea3ng chung quanh, t\u1ea1o ra m \u1ed9t v\u00f9ng c\u00f3 kh\u00ed \u00e1p gi\u1ea3m v\u00e0 g\u00e2y n\u00ean d\u00f2ng kh\u00ed th\u0103ng. V\u0169 tr\u1ee5 k\u1ef3 b\u00ed 163 https:\/\/thuviensach.vn","Kh\u00f4ng kh\u00ed c\u00e1c v\u00f9ng chung quanh l\u1ea1nh h\u01a1n tr\u00e0n \u0111\u1ebfn \u0111\u1ec3 b\u1ed5 sung cho kh\u00f4ng kh\u00ed b\u1ecb b\u1ed1c l\u00ean cao, do \u0111\u00f3 t\u1ea1o ra hi\u1ec7n t\u01b0\u1ee3ng gi\u00f3 xo\u00e1y, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 ch\u1ebf \u0111\u1ed9 trong c\u01a1n b\u00e3o v\u1eady. \u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a gi\u00f3 l\u1ed1c l\u00e0 x\u1ea3y ra m \u1ed9t c\u00e1ch \u0111\u1ed9t nhi\u00ean v\u00e0 t\u1ed1c \u0111\u1ed9 gi\u00f3 t\u0103ng l\u00ean trong m \u1ed9t th\u1eddi gian ng\u1eafn, t\u1ee9c l\u00e0 gi\u00f3 th\u1ed5i gi\u1eadt r\u00f5 r\u1ec7t. M m m \u00edt th\u01b0\u1eebngx\u1ea3y ra \u1edf \u0111\u00e1u? Trong n\u01b0\u1edbc m\u01b0a bao gi\u1edd c\u0169ng c\u00f3 m \u1ed9t l\u01b0\u1ee3ng ax\u00edt nh\u00e2T \u0111\u1ecbnh (\u0111\u1ed9 pH trong n\u01b0\u1edbc m\u01b0a kh\u00f4ng \u0111 \u1ea1 t \u0111\u1ebfn 164 0 https:\/\/thuviensach.vn","ng\u01b0\u1ee1ng m\u01b0a ax\u00edt). N h\u01b0ng \u1edf c\u00e1c khu v\u1ef1c c\u00f4ng nghi\u1ec7p, khi c\u00f3 m\u01b0a, \u0111o n\u1ed3ng \u0111\u1ed9 pH x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c c\u00e1c c\u01a1n m\u01b0a \u0111\u00f3 c\u00f3 n\u1ed3ng \u0111\u1ed9 ax\u00edt cao h\u01a1n c\u00e1c n\u01a1i kh\u00e1c. V\u00ec \u1edf nh \u1eef n g khu v\u1ef1c n \u00e0y kh\u00ed quy\u1ec3n b\u1ecb \u00f4 nhi\u1ec5m do h\u01a1i \u0111 \u1ed1 t v\u00e0 kh\u00f3i c\u1ee7a c\u00e1c nh\u00e0 m \u00e1y th\u1ea3i ra. N\u01b0\u1edbc m \u01b0a k\u1ebft h\u1ee2p v\u1edbi kh\u00ed cacbonic trong kh\u00f4ng kh\u00ed t\u1ea1o th\u00e0nh axit cacbonic c\u00f3 n\u1ed5ng \u0111\u1ed9 r\u1ea5t th\u1ea5p. Axit y\u1ebfu n\u00e0y c\u00f3 th\u1ec3 l\u00e0m ph\u00e2n h\u1ee7y \u0111\u00e1 v\u00f4i. N\u01b0\u1edbc m\u01b0a c\u0169ng k\u1ebft h\u1ee3p v\u1edbi kh\u00ed th\u1ea3i c\u1ee7a c\u00e1c nh\u00e0 m \u00e1y. Kh\u00ed th\u1ea3i n \u00e0 y c\u00f3 th\u1ec3 b\u1ecb gi\u00f3 m ang \u0111i r\u00e2\\\"t xa. \u0110\u01b0\u1ee3c h\u01a1i \u1ea9m trong kh\u00f4ng kh\u00ed h\u1ea5p th\u1ee5, kh\u00ed bi\u1ebfn th\u00e0nh ax\u00edt sul\u00eduric v\u00e0 axit nitric. M\u01b0a l\u1ea1i m ang theo nh\u1eefng ch\u1ea5t axit n\u00e0y \u0111\u1ebfn nh\u1eefng v\u00f9ng r\u1ea5t xa khu v\u1ef1c b\u1ecb \u00f4 nhi\u1ec5m \u0111\u00f3. N h\u1eefng c\u01a1n m\u01b0a ax\u00edt \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh \u0103n m \u00f2n, ngh\u0129a l\u00e0 l\u00e0m m \u00f2n \u0111\u00e1. N\u00f3 c\u0169ng d\u1ea7n l\u00e0m \u00f4 nhi\u1ec5m nhi\u1ec1u h\u1ed3 v\u00e0 d\u00f2ng n\u01b0\u1edbc, r\u1ea5t nguy hi\u1ec3m cho c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt sinh s\u1ed1ng \u1edf \u0111\u00f3. V\u00ed sao Hh\u1ec9 gi\u00f3 th\u1ed5i m\u1ea1nh l\u1ea1 i nghe th \u1ea5y ti\u00ean g m v\u00f9? C\u00e1c v\u1eadt b\u1ecb ch\u00e2n \u0111\u1ed9ng \u0111\u1ec1u ph\u00e1t ra \u00e2m thanh, v\u1eadt th\u1ec3 kh\u00e1c nhau khi ch\u1ea5n \u0111\u1ed9ng th\u00ec ph\u00e1t ra ti\u1ebfng kh\u00e1c nhau. V\u0169 tr\u1ee5 k\u1ef3 b\u00ed 165 https:\/\/thuviensach.vn","Khi gi\u00f3 th\u1ed1i m \u1ea1nh, gi\u00f3 l\u00e0m va ch\u1ea1m d\u00e2y \u0111i\u1ec7n, c\u00e0nh c\u00e2y th\u00ec ph\u00e1t ra ti\u1ebfng c\u00f3t k\u00e9t. Kho\u1ea3ng s\u00e2n tr\u1ed1ng gi\u1eefa c\u00e1c t\u00f2a nh\u00e0 cao t\u1ea7ng c\u0169ng gi\u00f4hg nh\u01b0 ru\u1ed9t r\u1ed7ng c\u1ee7a chi\u1ebfc s\u00e1o, khi ng\u01b0\u1eddi ta th\u1ed5i s\u00e1o, s\u00e1o ph\u00e1t ra \u00e2m thanh, gi\u00f3 th\u1ed5i trong s\u00e2n c\u1ee7ng ph\u00e1t ra \u00e2m thanh. Khi gi\u00f3 th\u1ed5i m \u1ea1nh, nhi\u1ec1u v\u1eadt b\u1ecb ch\u1ea5n \u0111\u1ed9ng \u0111\u1ec1u ph\u00e1t ra \u00e2m thanh, ti\u1ebfng \\\"v\u00f9 v\u00f9\\\" m\u00e0 ng\u01b0\u1eddi ta nghe \u0111\u01b0\u1ee3c khi gi\u00f3 th\u1ed5i m \u1ea1nh \u0111\u00f3 l\u00e0 b\u1ea3n \\\"\u0111\u1ea1i h\u1ee3p x\u01b0\u1edbng\\\" c\u1ee7a r\u1ea5t nhi\u1ec1u v\u00e2t th\u1ec3. M\u1ed9t n g\u00e0y tr\u1ebdn M \u1eb7t Tr\u0103ng \u1ee9\u0103i bao t\u1eedu? M \u1eb7t Tr\u0103ng quay xung quanh Tr\u00e1i \u0110\u1ea5t. C\u0169ng n h \u01b0 Tr\u00e1i \u0110 \u1ea5t, p h \u1ea7 n ngo\u1ea3nh v\u1ec1 M \u1eb7t Tr\u1eddi c\u1ee7a n\u00f3 l\u00e0 ban ng\u00e0y, p h \u1ea7n quay l\u01b0ng l\u1ea1i M \u1eb7t Tr\u1eddi l\u00e0 ban \u0111\u00eam , nh\u01b0ng t\u1ed1c \u0111\u1ed9 t\u1ef1 quay c\u1ee7a n\u00f3 r\u1ea5t ch\u1eadm, n\u00ean m \u1ed9t 166 0 https:\/\/thuviensach.vn","ng\u00e0y tr\u00ean M \u1eb7t Tr\u0103ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 29,5 ng\u00e0y tr\u00ean Tr\u00e1i \u0110\u1ea5t. N \u1ebfu con ng\u01b0\u1eddi l\u00ean \u0111\u1ebfn M \u1eb7t Tr\u0103ng, \u1edf \u0111\u1ea5y v\u1eeba kh\u00f4ng c\u00f3 kh\u00f4ng kh\u00ed, kh\u00f4ng c\u00f3 n\u01b0\u1edbc c\u0169ng kh\u00f4ng c\u00f3 c\u1ecf c\u00e2y hoa l\u00e1, th\u1eddi ti\u1ebft c\u1ef1c k\u1ef3 x\u1ea5u, to\u00e0n b\u1ed9 \u0111en ng\u00f2m. Con ng\u01b0\u1eddi m u\u00f4n g\u1eb7p \u0111\u01b0\u1ee3c tr\u1eddi s\u00e1ng c\u00f3 th\u1ec3 ph\u1ea3i \u0111\u1ee3i t\u1edbi m\u01b0\u1eddi m\u00e2Y ng\u00e0y. Tr\u00ean M\u1eb7t Tr\u0103ng c\u00f3 th \u00ea nh\u1ea3y ccto hm tr\u1ebdn Tr\u00e1i \u0110\u1ea5t b(w nhi\u00eau? Gi\u1ea3 s\u1eed r\u1eb1n g v \u1ead n \u0111 \u1ed9 n g vi\u00ean gi\u1ecfi nh\u00e2T c\u00f3 th\u1ec3 nh\u1ea3y qua m \u1ee9c x\u00e0 2,42 m \u00e9t. Con s\u1ed1 n\u00e0y ch\u01b0a ph\u1ea3i l\u00e0 l\u1edbn l\u1eafm, nh\u01b0ng ch\u00fang ta ch\u1ec9 c\u00f3 th\u1ec3 t\u0103ng k\u1ef7 l\u1ee5c l\u00ean m \u1ed9t ch\u00fat n\u1eefa m\u00e0 th\u00f4i, v\u00ec kh\u00f4ng th\u1ec3 th\u1eafng \u0111\u01b0\u1ee3c l\u1ef1c h \u00fa t Tr\u00e1i \u0110\u1ea5t. C\u00f2n n\u1ebfu nh\u01b0 cu\u1ed9c thi t\u1ed5 ch\u1ee9c tr\u00ean M \u1eb7t Tr\u0103ng, k\u1ef7 l\u1ee5c s\u1ebd \u0111\u01b0\u1ee3c l\u1eadp ra sao? \u0110\u1ecbnh lu \u1ead t l\u1ef1c h\u00e2\\\"p d \u1eab n gi\u1ea3i th\u00edch r\u1eb1ng: l\u1ef1c h\u00e2\\\"p d \u1eab n v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a hai v \u1ead t th \u1ec3 t\u1ef7 l\u1ec7 th u \u1eadn v\u1edbi nhau. D\u1ef1a v\u00e0o \u0111\u1ecbnh lu\u1eadt \u0111\u00f3, c\u00f3 l\u1ebd b\u1ea1n s\u1ebd n\u00f3i r\u1eb1ng: kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a M \u1eb7t Tr\u0103ng b\u1eb1ng 1\/81 kh\u1ed1i l\u01b0\u1ee3ng Tr\u00e1i \u0110\u00e2T, tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a m \u1ed9t ng\u01b0\u1eddi tr\u00ean M \u1eb7t T r\u0103ng s\u1ebd gi\u1ea3m \u0111i 81 l\u1ea7n, v\u00e0 n \u1ebf u tr\u00ean m \u1eb7t \u0111\u00e2T ng\u01b0\u1eddi \u1ea5y nh \u1ea3y \u0111\u01b0\u1ee3c 2,42 m \u00e9t, th\u00ec tr\u00ean M \u1eb7t Tr\u0103ng anh ta s\u1ebd nh \u1ea3y l\u00ean t\u1edbi \u0111\u1ed9 cao 200 m\u00e9t! Tr\u00ean th\u1ef1c t\u1ebf kh\u00f4ng ph\u1ea3i nh\u01b0 v\u1eady. V\u0168 tr\u1ee5 k\u1ef3 b\u00ed 167 https:\/\/thuviensach.vn","V\u1eeba r\u1ed3i ch\u00fang ta m\u1edbi ch\u1ec9 n\u00f3i \u0111\u1ebfn n\u1eeda \u0111 \u1ea7u c\u1ee7a \u0111 \u1ecbn h lu \u1ead t h\u00e2\\\"p d \u1eab n m \u00e0 ch\u01b0a n\u00f3i \u0111 \u1ebf n p h \u1ea7 n sau, p h \u00e1 t bi\u1ec3u r\u1eb1ng: l\u1ef1c h\u1ea5p d \u1eabn t\u1ef7 l\u1ec7 ngh\u1ecbch v\u1edbi b\u00ecnh ph\u01b0\u01a1ng kho\u1ea3ng c\u00e1ch gi\u1eefa hai v\u1eadt th\u1ec3. B\u00e1n k\u00ednh c\u1ee7a M \u1eb7t T r\u0103ng ch\u1ec9 b\u1eb1ng 27% b \u00e1 n k\u00ednh Tr\u00e1i \u0110 \u1ea5t, n h \u01b0 v \u1eady r\u00f5 r\u00e0ng l\u00e0 kho\u1ea3ng c\u00e1ch gi\u1eefa ng\u01b0\u1eddi t\u1edbi trung t\u00e2m M \u1eb7t Tr\u0103ng ng\u1eafn h\u01a1n nh i\u1ec1u kho\u1ea3ng c\u00e1ch t\u1edbi trung t\u00e2m Tr\u00e1i \u0110\u1ea5t, trong khi \u0111\u00f3 tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a con ng\u01b0\u1eddi l\u1ea1i t\u0103ng m \u1ed9t c\u00e1ch t\u01b0\u01a1ng \u0111\u1ed1i. B\u1edfi v\u1eady khi con ng\u01b0\u1eddi l\u00ean M\u1eb7t Tr\u0103ng, kh\u00f4ng ph\u1ea3i tr\u1ecdng l\u01b0\u1ee3ng gi\u1ea3m \u0111i ch\u1ec9 c\u00f2n b\u1eb1ng 1\/81 so v\u1edbi khi \u1edf Tr\u00e1i \u0110\u00e2d, m\u00e0 ch\u1ec9 gi\u1ea3m c\u00f2n b\u1eb1ng 1 \/6 th\u00f4i. T\u1eeb ph\u00e9p t\u00ednh t\u1ed5ng h\u1ee3p g\u1ed3m kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 b\u00e1n k\u00ednh M \u1eb7t Tr\u0103ng, chi\u1ec1u cao c\u1ee7a v\u1eadn \u0111\u1ed9ng vi\u00ean, ta c\u00f3 \u0111 \u00e1 p s\u1ed1 ch\u00ednh x\u00e1c l\u00e0: tr\u00ean Tr\u00e1i \u0110\u00e2T v \u1eadn \u0111 \u1ed9 n g v i\u00ean n h \u1ea3 y cao t\u1edbi 2,42 m \u00e9t th\u00ec tr\u00ean M \u1eb7t Tr\u0103ng anh ta c\u00f3 th\u1ec3 nh\u1ea3y cao 9 m\u00e9t. \u0110i b\u1ed9 trcmg m tr\u1ee5 c\u00f3 nguy ti\u1ec9\u00eam Hh\u00f9ng? Tr\u00ean th\u1ef1c t\u1ebf, \u0111i b\u1ed9 trong v \u0169 tr\u1ee5 r\u00e2T nguy hi\u1ec3m . \u0110i b\u1ed9 trong v \u0169 tr\u1ee5 ch\u00ednh l\u00e0 ch\u1ec9 c\u00e1c nh\u00e0 d u h \u00e0 n h v\u0169 tr\u1ee5 \u0111i b\u1ed9 khi r\u1eddi kh\u1ecfi t\u00e0u v\u0169 tr\u1ee5 ho\u1eb7c tr\u1ea1m v\u0169 tr\u1ee5, t\u1ef1 c\u01b0\u1ee1i m\u00e2y \u0111\u1ea1p gi\u00f3 trong kh\u00f4ng trung. N guy hi\u1ec3m ch\u1ee7 y\u1ebfu khi \u0111i b\u1ed9 trong kh\u00f4ng trung l\u00e0 m\u00f4i tr\u01b0\u1eddng \u0111\u1eb7c th\u00f9 c\u1ee7a kh\u00f4ng trung, ngo\u00e0i nh\u1eefng nh\u00e2n 168 0 https:\/\/thuviensach.vn","t\u1ed1 b\u00e2t l\u1ee3i n h\u01b0 ch\u00e2n kh\u00f4ng, \u00e1p su\u1ea5t th\u1ea5p, thi\u1ebfu \u00f4xy, nhi\u1ec7t \u0111\u1ed9 th \u1ea5p ra c\u00f2n bao g\u1ed3m nh\u1eefng nh\u00e2n t\u1ed1 b\u00e2\\\"t l\u1ee3i cho con ng\u01b0\u1eddi nh\u01b0 b\u1ee5i. Nh\u00e0 khoa h\u1ecdc \u0111\u00e3 thi\u1ebft k\u1ebf cho c\u00e1c nh\u00e0 du h\u00e0nh v\u0169 tr\u1ee5 m \u1ed9t b\u1ed9 qu\u1ea7n \u00e1o chuy\u00ean d\u1ee5ng - qu\u1ea7n \u00e1o du h\u00e0nh v\u0169 tr\u1ee5, \u0111\u1ec3 b\u1ea3o v\u1ec7 an to\u00e0n t\u00ednh m \u1ea1ng cho c\u00e1c nh\u00e0 du h\u00e0nh v\u0169 tr\u1ee5. Ng\u01b0\u1eddi \u0111\u1ea7u ti\u00e9n th\u1ef1c hi\u1ec7n vi\u1ec7c \u0111i b\u1ed9 tr\u00ean v\u0169 tr\u1ee5 l\u00e0 nh\u00e0 du h\u00e0nh v\u0169 tr\u1ee5 Li\u00ean X\u00f4 Ingnop. N g\u00e0y 18 th\u00e1ng 3 n\u0103m 1965, \u00f4n g \u0111\u00e3 bay v\u00e0o v\u0169 tr\u1ee5 tr\u00ean con t\u00e0u, \u0111\u1ed3ng th\u1eddi \u0111i b\u1ed9 trong v\u0169 tr\u1ee5 10 ph\u00fat. Ti\u1ebfp theo \u0111\u00f3 l\u00e0 c\u00e1c nh\u00e0 du h\u00e0nh v\u0169 tr\u1ee5 M\u1ef9 l\u00e0 VVhyte, Selnan, Holins, G ordon,... ti\u1ebfn h\u00e0nh \u0111i b\u1ed9 trong v\u0169 tr\u1ee5. M\u1ee5c \u0111\u00edch ch\u1ee7 y\u1ebfu c\u1ee7a vi\u1ec7c ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m \u0111i b\u1ed9 trong v\u0169 tr\u1ee5 l\u00e0 l\u00e0m c\u00f4ng t\u00e1c chu\u1ea9n b\u1ecb cho vi\u1ec7c th\u1ef1c nghi\u1ec7m v\u0169 tr\u1ee5, l\u00ean m \u1eb7t tr\u0103ng, s\u1eeda ch\u1eefa tr\u1ea1m kh\u00f4ng gian v\u00e0 v\u1ec7 tinh nh\u00e2n t\u1ea1o. V\u0168 tr\u1ee5 k\u1ef3 \u1ee9 169 https:\/\/thuviensach.vn","T\u1ea1i S(W ngum n\u01b0\u1edbc hh\u1ee1ng bao g\u1ec9\u00f9 c\u1ea1n? N \u01b0\u1edbc m \u01b0a k h \u00f4 n g bao gi\u1edd c\u1ea1n l\u00e0 do c\u00f3 v\u00f2n g tu \u1ea7 n h o \u00e0n n\u01b0\u1edbc tr\u00ea n T r\u00e1i \u0110 \u1ea5t. C h \u00fa n g ta b i\u1ebft r\u1eb1 n g T r\u00e1i \u0110 \u1ea5t c\u00f3 71% d i\u1ec7 n t\u00edch l\u00e0 m \u1eb7 t n\u01b0\u1edbc c\u1ee7 a \u0111 \u1ea1 i d\u01b0 \u01a1 n g . L \u01b0 \u1ee3ng n \u01b0 \u1edb c b i\u1ec3 n c h i\u1ebfm 97,5% t\u1ed5ng l\u01b0\u1ee3ng n\u01b0\u1edbc tr\u00ean Tr\u00e1i \u0110\u1ea5t. N \u1ebfu kh\u00f4ng k\u1ec3 n \u00fa i b\u0103n g \u1edf hai \u0111\u1ecba c\u1ef1c th\u00ec l\u01b0\u1ee3ng n\u01b0\u1edbc n g \u1ecd t c\u00f3 th \u1ec3 c\u00f3 \u0111\u01b0\u1ee3c ch\u1ec9 chi\u1ebfm c\u00f3 0,26% t\u1ed5 n g l\u01b0\u1ee3ng n\u01b0\u1edbc tr\u00ea n T r\u00e1i \u0110 \u1ea5t. V\u00ec v \u1ead y , n\u01b0\u1edbc m \u01b0a l\u00e0 h \u1ebf t s\u1ee9c q u a n tr \u1ecd n g \u0111 \u00f4 \u00ec v \u1edb i m \u1ecd i s\u1ef1 s\u00f4^ng tr\u00ea n T r\u00e1i \u0110\u00e2T. M \u1ed7i n \u0103 m c\u00f3 k h o \u1ea3 n g 3,6 X 1014m3 n\u01b0 \u1edb c b i\u1ec3 n b\u00f4L h\u01a1i v\u00e0 0,62 X 1014m3 n \u01b0 \u1edb c b\u00f4V h\u01a1i t\u1eeb l\u1ee5c \u0111\u1ecba (c\u1ed9ng l\u1ea1i l\u00e0 4,22 X 1014m3 n\u01b0\u1edbc) v\u00e0 c\u0169 n g c\u00f3 4,22 X 1014m3 n\u01b0\u1edbc m \u01b0a t\u1eeb tr\u00ea n tr\u1edd i r\u01a1i x u \u00f4 n g T r\u00e1i \u0110 \u1ea5t (3,24 X 1014m3 n\u01b0\u1edbc m \u01b0a r\u01a1i xu \u00f4 n g m \u1eb7 t b i\u1ec3 n v\u00e0 0,98 X 1014m3 n\u01b0\u1edbc m \u01b0a r\u01a1i xu\u00f4ng l\u1ee5c \u0111\u1ecba). Tuy nhi\u00ean, t\u00ecnh tr\u1ea1ng thi\u1ebfu n\u01b0\u1edbc ng\u1ecdt ng\u00e0y c\u00e0ng nghi\u00eam tr\u1ecdng. C h\u00fang ta bi\u1ebft r\u1eb1ng hi\u1ec7n nay tr\u00ean T h\u1ebf gi\u1edbi c\u00f2n c\u00f3 t\u1edbi m \u1ed9t tr\u0103m qu\u1ed1c gia \u0111ang \u1edf trong t\u00ecnh tr\u1ea1n g th i\u1ebfu n\u01b0\u1edbc. T\u00ecnh h\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c coi l\u00e0 tr\u1ea7 m tr\u1ecd n g t\u1ea1i 26 qu\u00f4V gia. M \u1ed7i n\u0103m c\u00f3 k h o \u1ea3 n g 25 tri\u1ec7 u n g \u01b0 \u1edd i tr\u00ea n th \u1ebf gi\u1edbi c h \u1ebf t v\u00ec s\u1ef1 \u00f4 nhi\u1ec5m n\u01b0\u1edbc v\u00e0 c\u00f2n c\u00f3 t\u1edbi 1 t\u1ef7 ng\u01b0\u1eddi ch\u01b0a \u0111\u01b0\u1ee3c 170 https:\/\/thuviensach.vn","s\u1eed d\u1ee5ng n\u01b0\u1edbc s\u1ea1ch. Hi\u1ec7n nay, l\u01b0\u1ee3ng ti\u00eau hao v\u1ec1 n\u01b0\u1edbc t\u0103 n g g\u00e2\\\"p \u0111 \u00f4 i so v\u1edbi m \u1ee9c \u0111\u1ed9 t\u0103 n g d \u00e2 n s \u1ed1 v\u00e0 d \u1ef1 ki\u1ebfn \u0111 \u1ebfn n\u0103m 2025 l\u01b0\u1ee3ng n\u01b0\u1edbc b\u00ecnh q u \u00e2n d \u00e0 n h cho nhu c\u1ea7u c\u1ee7a m \u1ed7i ng\u01b0\u1eddi s\u1ebd ph\u1ea3i gi\u1ea3m \u0111i 1\/3. Nhu c\u1ea7u t\u00e1i s\u1eed d\u1ee5ng c\u00e1c ngu\u1ed3n n\u01b0\u1edbc th\u1ea3i sau khi \u0111\u00e3 x\u1eed l\u00fd l\u00e0 m \u1ed9 t n h u c\u1ea7u h \u1ebf t s\u1ee9c b\u1ee9c th i\u1ebf t n h \u01b0 n g c\u0169 n g v\u00f4 c \u00f9 n g t\u00f4\\\"n k\u00e9m . T i\u1ebft ki\u1ec7m t\u1eeb n g g i\u1ecd t n\u01b0\u1edbc \u0111 an g l\u00e0 n h i\u1ec7m v\u1ee5 c\u1ee7a m \u1ed7i ng\u01b0\u1eddi tr\u00ea n T r\u00e1i \u0110\u00e2T. GROUNDVVATER V\u0168 tr\u1ee5 k\u1ef3 b\u00ed 171 https:\/\/thuviensach.vn","\u1ec9i\u00ec\u1ee5 c \u00ec\u1ee5 c L\u1eddi n\u00f3i \u0111\u1ea7u. ..................................................................5 Tr\u00e1i \u0110 \u1ea5t c\u00f3 t\u1eeb bao gi\u1edd?............................................. 7 V\u00ec sao ta kh\u00f4ng c\u1ea3m th\u1ea5y Tr\u00e1t \u0110\u1ea5t \u0111ang quay?. ...... 8 Tr\u00e1i \u0110\u1ea5t t\u1ef1 quay m\u1ed9t v\u00f2ng c\u00f3 \u0111i\u00edng m \u1ed9t ng\u00e0y kh\u00f4ng?.......................................10 \u1edf \u0111\u00e2u c\u00e1c v \u1ead t n\u1eb7ng h\u01a1n?. ........................................12 C\u00f3 s\u1ef1 s\u1ed1ng tr\u00ean M \u1eb7 t Tr\u0103ng kh\u00f4ng?.......................13 V\u0129 sao qu\u1ef9 \u0111\u1ea1o aia Tr\u00e1i \u0110 \u1ea5t l\u1ea1i c\u00f3 h\u00ecnh elip?. ....15 sao b\u1ed1n m\u00f9a trong n\u0103m kh\u00f4ng d\u00e0i nhu\u2019nhau?. .......16 V\u00ec sao M \u1eb7 t Tr\u0103ng \u0111i theo cht\u00edng ta?........................ 18 V\u00ec sao \u0111\u00f4i l\u00fac v\u1eabn nh\u00ecn th\u1ea5y M \u1eb7 t Tr\u0103ng v\u00e0o ban ng\u00e0y?. .............................................................18 T\u1ea1i sao Tr\u00e1i \u0110\u00e2t kh\u00f4ng b\u1ecb M \u1eb7 t Tr\u1eddi \u0111\u1ed1t ch\u00e1y?......... 19 T\u1ea1i sao c\u00e0ng l\u00ean n\u00fat cao th\u00ec kh\u00f4ng k h \u00ed c\u00e0ng l\u1ea1nh?............................................20 Tr\u00e1i \u0110 \u1ea5t l\u00e0 m \u1ed9t qu\u1ea3 c\u1ea7u n l\u0129\u01b0 tl\u0129\u1ebf n\u00e0o?....................21 T\u1ea1i sao n\u00fai l\u1eeda l\u1ea1i phun tr\u00e0o?................................... 22 V\u0129 sao ban ng\u00e0y kh\u00f4ng nh\u00ecn th \u1ea5 y sao?. ..................23 T\u1ea1i sao n\u01b0\u1edbc bi\u1ec3n m \u1eb7n?. ........................................... 25 V\u00ec sao \u0111 \u00eam m\u00f9a h\u00e8 c\u00f3 nhi\u1ec1u sao h\u01a1n \u0111 \u00eam m\u00f9a \u0111\u00f4ng?. ..........................................................27 V\u0129 sao M \u1eb7 t Tr\u1eddi l\u1eb7n v\u00e0o m \u00e2y th\u00ec \u0111\u00eam s\u1ebd m\u01b0a?. ...... 28 M \u1eb7 t Tr\u1eddi m\u1ecdc \u1edd \u0111\u1eb1ng \u0110\u00f4ng c\u00f3 \u0111\u00fang kh\u00f4ng?. ........29 172 https:\/\/thuviensach.vn","C\u00e1c h\u00e0nh tinh trong v\u0169 tni li\u1ec7u c\u00f3 va v\u00e0o nhau?.........30 V\u00ec sao l\u00fac b\u0129nh minh v\u00e0 ho\u00e0ng h\u00f4n, M \u1eb7 t Tr\u1eddi tr\u00f4ng to h\u01a1n?. ........................................... 31 T\u1ea1i sao t\u00e0u v\u0169 tru \u0111\u01b0\u1ee2c ph\u00f3ng theo chi\u1ec1u quay c\u1ee7a Tr\u00e1i \u0110 \u00e1t?. .............................. 33 sao b\u0103ng \u1edf N am c\u1ef1c nhi\u1ec1u h\u01a1n \u1edf B\u1eafc c\u1ef1c?.........34 T\u1ea1i sao c\u00e1c v\u00ec sao nh\u1ea5p nh\u00e1y?................................. 35 X o \u00e1 y n\u01b0\u1edbc xu \u1ea5 t hi\u1ec7n nhu\\\" th\u00ea n\u00e0o?..........................36 V\u0129 sao Tr\u00e1i \u0110 \u1ea5t l\u1ea1i kh\u00f4ng l\u00e0 h\u00ecnh c\u1ea7u tr\u00f2n?. .........38 V\u00ec sao M \u1eb7 t Tr\u01a1i l\u1ea1i m\u1ecdc \u1edf h\u01b0\u01a1ng \u0110\u00f4ng?. ............... 38 S\u1ea5m sinh ra t\u1eeb \u0111\u00e2u?. ...................................................39 M \u1ed9 t n\u0103m tr\u00ean sao H\u1ecfa d\u00e0i bao nhi\u00eau?................. 39 M \u1ed9 t ng\u00e0y trung b\u00ecnh tr\u00ean sao H\u1ecfa d\u00e0i bao nhi\u00eau?..AO T\u1ea1i sao c\u00f3 c\u00e1c m \u00f9a?. ...............................40 Nam atc v\u00e0 B\u1eafc a\u00edc c\u00f3 b\u1ed1n m\u00f9a thay \u0111\u1ed5i kh\u00f4ng?. ...... 42 Th\u00e1c n\u01b0\u1edbc \u0111t\u00ed\u1ee2c h\u00ecnh th\u00e0nh nh\u01b0 th\u00ea n\u00e0o?. ............ 42 M \u00edi \u0111i\u00ed\u1ee2c h\u00ecnh th\u00e0nh nhu\u2019th \u1ebf n\u00e0o?. ........................44 \\\"Bi\u1ec3n \u0110\u1ecf\\\" c\u00f3 th\u1ef1c s\u1ef1 mang m\u00e0u \u0111\u1ecf kh\u00f4ng?...........45 B\u1ea1n c\u00f3 b i\u1ebft s\u00f4ng b\u0103ng l\u00e0 g\u00ec kl\u00ed\u00f4\u00edig?.........................46 sao l\u1ea1i c\u00f3 hi\u1ec7n t\u01b0\u1ee2ng l\u1edd n\u00fai?.............................. 48 Vi sao c\u00f3 hi\u1ec7n tt\u1ec3\u1ee2ng l\u1edf tu y \u1ebf t? . ..................................48 \u0110\u00e2u l\u00e0 n\u01a1i l\u1ea1nh n h\u1ea5t trong v\u0169 tn i? ..........................49 V\u0169 tru \u0111\u01b0\u1ee2c l\u00e0m b\u1eb1ng g \u00ec? . ........................................ 49 Li\u1ec7u c\u00e1c ng\u00f4i sao c\u00f3 th \u1ec3 r\u1eddi kh\u1ecfi ch\u00f9m sao c\u1ee7a m\u00ecnh v\u00e0 \u0111\u00ec lang thang trong v\u0169 tr\u1ee5 \u0111i\u1ec9\u1ee2c kh\u00f4ng?.............. 50 V\u0169 tr\u1ee5 k\u1ef3 b\u00ed 173 https:\/\/thuviensach.vn","T\u1ea1i sao c\u00e1c v\u1ec7 t\u1ec9nh nh\u00e2n t\u1ea1o c\u00f3 th \u1ec3 ch\u1ee5p \u1ea3nh Tr\u00e1i \u0110 \u1ea5t t\u1eeb xa nh\u01b0 v \u1ead y ? ..............50 V\u00ec sao ph\u00f3ng t\u00e0n v\u0169 tru ph\u1ea3i d\u00f9ng t\u00ean l\u1eeda nhi\u1ea7i t\u1ea7ng?...51 T\u1ea1i sao chi\u1ebfc \u00f4 v\u1ea3 i l\u1ea1i c\u1ea3n \u0111t\u1ec9\u1ee2c n\u01b0\u1edbc m\u01b0a?. .........54 T\u1ea1i sao nh\u1eefng g i\u1ecdt m\u1ec9\u1edbc \u0111\u1ecdng tr\u00ean l\u00e1 sen th\u01b0\u1eddng c\u00f3 h\u00ecnh c\u1ea7u?. ....................56 V\u00ec sao \u0111\u1ea7u \u0111\u1ea1n nh\u1ecf x\u00edu c\u00f3 th \u1ec3 g \u00e2 y tht\u1ec3\u01a1ng vong cho ng\u01b0\u1eddi?. ....................... 57 T \u1ea1i sao b\u1ea7u tr\u1eddi c\u00f3 m \u00e0u xanh?. ................................59 T\u1ea1i sao nh\u1eefng ng\u1ecdn n\u00fai cao nh\u1ea5t th\u00ea gi\u1edbi l\u1ea1i g\u1ea7n x\u00edch \u0111\u1ea1o?.........................................................60 T \u1ea1i sao tu y \u1ebf t l\u1ea1i c\u00f3 m\u00e0u tr\u1eafng?................................62 \u00c1 n h s\u00e1ng l\u00e0 g\u00ec v\u00e0 th\u00ea n\u00e0o l\u00e0 hi\u1ec7n t\u01b0\u1ee2ng t\u00e1n x\u1ea1 \u00e1nh s\u00e1ng?. ................................... 62 T\u1ea1i sao kh\u00f4\u00ec\u00edg \u0111\u1ebfn \u0111\u01b0\u1ee2c ch\u00e2n c\u1ea7u v\u1ed3ng?. ...............63 T \u1ea1i sao kh\u00f4ng th \u1ec3 u\u1ed1ng n\u01b0\u1edbc bi\u1ec3n?. ........................64 V\u00ec sc\u01b0>\u0111i\u1ec3m n\u00f3ng nh\u1ea5t kh\u00f4ng ph\u1ea3i l\u00e0 x\u00edch \u0111\u1ea1o?. ........65 V\u00ec sao khi \u0111 \u1ed5 b\u1ed9 v\u00e0o \u0111\u1ea5 t li\u1ec1n th\u00ec ci\u1ec9\u1eddttg \u0111\u1ed9 c\u1ee7a b\u00e3o gi\u1ea3m xu\u1ed1ng nhi\u1ee7tg m\u01b0a l\u1edbn kh\u00f4ng ng\u00ec\u1ec9ng?.................66 sao tr\u00ean m \u00e1y bay kh\u00f4ng \u0111\u01b0\u1ee2c m \u1edd \u0111 i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng?. .................................................. 67 S\u01b0\u01a1ng mu\u1ed1i h\u00ecnh th\u00e0nh nh\u01b0 th \u1ebf n\u00e0o?. ....................68 V\u00ec sao tr\u00ean kh\u00f4ng trung l\u1ea1 i x u \u1ea5 t hi\u1ec7n nh\u1eefng tr\u1eadn m\u01b0a sao b\u0103ng?. ...................................... 69 Tr\u00ean sao H\u1ecfa c\u00f3 t\u1ed3n t\u1ea1 i s\u1ef1 s\u1ed1ng kh\u00f4ng?..................70 174 0 https:\/\/thuviensach.vn","Sao K im c\u00f3 t\u1ed3n t\u1ea1 i s\u1ef1 s\u1ed1ng kh\u00f4ng?.........................71 \u01b0 im th \u1ebf n\u00e0o \u0111 \u1ec3 bi\u1ebft m\u1ed9t h\u00f2n \u0111\u00e1 l\u00e0 thi\u00ean th\u1ea1ch?........73 V\u00ec sao trong bi\u1ec3n l\u1ea1i c\u00f3 ch\u1ed7 n\u01b0\u1edbc ng\u1ecdt?..................74 M u\u1ed1i bi\u1ec3n h\u00ecnh th\u00e0nh t\u1eeb \u0111\u00e2u?.................................76 Nt\u0129\u1ec9 d\u01b0\u1edbi bi\u1ec3n h\u00ecnh th\u00e0nh t\u1ea1 i n\u01a1i n\u00e0o?...................77 \u0110\u1ecba h\u00ecnh \u0111 \u00e1 y bi\u1ec3n ra sao?........................................78 V\u0129 sao \u0111\u00eam r\u1eb1m , Tr\u0103ng l\u1ea1i tr\u00f2n th \u1ebf ? . ....................78 T\u1ea1i sao Tr\u0103ng s\u00e1ng?. .................................................80 Vi sao h\u00ecnh d\u1ea1ng M \u1eb7t Tr\u0103ng bi\u1ebfn \u0111\u1ed5i t\u00ec\u00f3tg ng\u00e0y?. ...... 81 C\u00f3 ph\u1ea3i Ng\u01b0u Lang - Ch\u1ee9c N \u1eef m \u1ed7i n\u0103m g\u1eb7p nhau m \u1ed9 t l\u1ea7n?. ...................................83 V\u00ed sao Ng\u00e2n H\u00e0 kh\u00f4ng ph\u1ea3i l\u00e0 d\u00f2ng n\u01b0\u1edbc?...........84 V\u0169 tru bao nhi\u00eau tu\u1ed5i r\u1ed3i?. ...................................... 84 C\u00e1c ng\u00f4i sao c\u00f3 b i\u1ebft t\u1ef1 quay kh\u00f4ng?......................85 \u0110i\u1ec3m \u0111en c\u1ec9ia M \u1eb7 t Tr\u1eddi c\u00f3 ph\u1ea3i l\u00e0 m\u00e0u \u0111en kh\u00f4ng?...86 M \u1eb7 t Tr\u1eddi c\u00f3 th \u1ec3 ph\u00e1t s\u00e1ng, ph\u00e1t nhi\u1ec7t nh\u01b0 th\u00ea n\u00e0o?...87 Tia ch\u1edbp do \u0111\u00e2u m\u00e0 c\u00f3?. .......................................... 87 Do \u0111\u00e2u bi\u1ec3n c\u00f3 tht\u00ecy tri\u1ec1u?......................................88 K hi n\u00e0o n\u01b0\u1edbc chuy\u1ec3n th\u00e0nh tu y \u1ebf t? . ....................... 89 T\u1ea1i sao l\u1ea1i c\u00f3 gi\u00f3?. .................................................... 89 K hi n\u00e0o x \u1ea3 y ra \u0111\u1ed9ng \u0111 \u1ea5 t? . ...................................... 91 V\u00ec sao c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng c\u00e1t l\u00fan?. ..................................91 T\u1ea1i sao M \u1eb7 t Tr\u1eddi l\u1edbn h\u01a1n Tr\u00e1i \u0110\u1ea5t m\u00e0 Tr\u00e1i \u0110 \u1ea5t kh\u00f4ng b\u1ecb M \u1eb7 t Tr\u1eddi h\u00fa t v\u00e0o?............ 92 Tr\u00e1i \u0110 \u1ea5t l\u00e0m b\u1eb1ng g \u00ec? . ..............................................93 V\u0169 tr\u1ee5 k\u1ef3 b\u00ed 175 https:\/\/thuviensach.vn","S\u1ef1 s\u1ed1ng tr\u00ean Tr\u00e1i \u0110 \u1ea5t b\u1eaft ngu\u1ed3n t\u1eeb \u0111\u00e2u?. ............. 95 S\u01b0\u01a1ng mu\u1ed1i l\u00e0 g \u00ec? . .......................................................97 S\u01b0\u01a1ng m\u00f9 l\u00e0 g \u00ec? . ..........................................................98 T\u1ea1\u1ec9 sao s\u1ea5m l\u1ea1i \u0111i theo ch\u1edbp?. ................................. 99 C\u1ea7u v\u1ed3ng l\u00e0 g \u00ec? ...........................................................102 \u0110 \u1ea5t \u0111i\u1ec9\u1ee2c c\u1ea5u t\u1ea1o nh\u01b0 th\u00ea n\u00e0o?...............................103 Do \u0111\u1ea7u nham th\u1ea1ch c\u00f3 m\u00e0u s\u1eafc?.............................105 K h \u00ed quy\u1ec3n h\u00ecnh th\u00e0nh nlnC th\u1ebf n\u00e0o?. ................... 106 T\u1ea1i sao l\u1ea1i c\u00f3 m\u01b0a a x\u00edt? .......................................... 106 Gi\u00f4ng b\u00e3o h\u00ecnh th\u00e0nh nh\u01b0 th \u00ea n\u00e0o?. .....................107 M \u00e2 y m\u01b0a hhih th\u00e0nh nh\u01b0 th\u00ea n\u00e0o?. ......................108 T\u1ea1i sao tr\u00ean \u0111\u1ec9nh n\u00fai l\u1ea1 i ph\u1ee7 m \u00e2 y? . ..................... 109 T\u1ea1i sao v\u00f9ng sa m\u1ea1c l\u1ea1i b\u1ecb kh\u00f4 h\u1ea1n?. ....................110 T\u1ea1i sao m \u00e2y c\u00f3 nhi\u1ec1u m\u00e0u s\u1eafc?............................. 112 V\u00ec sao M \u1eb7 t Tr\u1eddi l\u1ea1i kh\u00f4ng ch\u00e1y h \u1ebf t? . ................. 113 V\u00ec sao n\u01b0\u1edbc bi\u1ec3n l\u1ea1i c\u00f3 m\u00e0u xanh?. ........................114 sao \u1edd (P c n\u01b0\u1edbc bi\u1ec3n kh\u00f4ng \u0111\u00f3ng b\u0103ng?. ........... 114 T\u1ea1i sao M \u1eb7 t Tr\u0103ng kh\u00f4ng r\u01a1i xu\u1ed1ng?......................116 V\u00ec sao c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng m \u1eb7 t tr\u1eddi l\u1ea1i ph\u1ee5 thu\u1ed9c v\u00e0o m \u00f9a?. ............................................ 116 H\u00e0ng \u0111\u00eam M \u1eb7 t Tr\u1eddi \u0111 i \u0111\u00e2u?................................... 117 M \u1eb7 t Tr\u1eddi \u1edf c\u00e1ch ch\u00fang ta bao xa ? . ..........................118 V\u00ec sao M \u1eb7 t Tr\u1eddi n\u00f3ng v\u00e0 s\u00e1ng th \u1ebf ? . ........................119 V\u00ec sao M \u1eb7 t Tr\u1eddi t\u1ecfa ra \u00e1nh s\u00e1ng?.............................122 V\u00ec sao l\u1ea1i c\u00f3 n\u01b0\u1edbc ng\u1ea7m ?............................................123 176 https:\/\/thuviensach.vn","V\u00ec sao m \u00e2y kh\u00f4ng b\u1ecb r\u01a1i xu\u1ed1ng \u0111 \u1ea5 t? ........................123 C\u00e2y \u0111a v\u00e0 ch\u00fa Cu\u1ed9i tr\u00ean M \u1eb7 t Tr\u0103ng l\u00e0 g\u00ec? T\u1ea1i sao kh i Tr\u0103ng tr\u00f2n m\u1edbi th \u1ea5 y \u0111\u01b0\u1ee2c?. .....124 Trong ch\u00edn h\u00e0nh tinh, sao Kim v\u00ec sao s\u00e1ng nh\u1ea5t?. ........125 T\u1ea1i sao tr\u00ean h\u00e0nh tinh kh\u00f4ng c\u00f3 s\u1ef1 s\u1ed1ng?..............126 V^\u00ec sao sao Ch\u1ed5i c\u00f3 \u0111u\u00f4i?........................................... 127 Gia \u0111\u00ecnh M \u1eb7 t Tr\u1eddi c\u00f3 bao nhi\u00eau th\u00e0nh vi\u00ean?. .........129 T\u1ea1i sao c\u00e1c ng\u00f4i sao l\u1ea1i c\u00f3 \u00e1nh s\u00e1ng nh\u1ea5p nh\u00e1y?.........130 V\u00ec sao M \u1eb7 t Tr\u1eddi to h\u01a1n Tr\u00e1i \u0110\u1ea5t r\u1ea5t nhi\u1ec1u m\u00e0 v\u1eabn b\u1ecb m \u00e2y che kh u \u1ea5 t?. ................... 130 V\u00ec sao c\u00e1c ng\u00f4i sao l\u1ea1i c\u00f3 \u0111\u1ed9 s\u00e1ng kh\u00e1c nhau?. .........131 V\u00ec sao v\u1ecb tr\u00ed c\u00e1c ng\u00f4i sao l\u1ea1i thay \u0111\u1ed5i?.................. 132 V\u00ec sao g\u1ecdi t\u1ea7ng kh \u00ed quy\u1ec3n l\u00e0 l\u1edbp \u00e1o c\u1ee7a Tr\u00e1i \u0110\u1ea5t?. ......133 V\u00ec sao c\u00e0ng l\u00ean cao th\u00ec kh\u00f4ng k h \u00ed c\u00e0ng lo\u00e3ng?. .....135 N\u01b0\u1edbc h\u1ed3 v\u00ec sao l\u1ea1\u1ec9 \u0111\u1ee5c v\u00e0o m\u00f9a h\u00e8, trong v\u00e0o m\u00f9a thu?.................................................... 136 V\u00ec sao xung quanh m \u1ec9i ItCa c\u00f3 su\u1ed1i n\u01b0\u1edbc n\u00f3ng?. ......136 V\u00ec sao nham th\u1ea1ch n\u00f3ng ch\u1ea3y trong l\u00f2ng Tr\u00e1i \u0110\u00e2t m\u00e0 kh\u00f4ng l\u00e0m cho v\u1ecf Tr\u00e1i \u0110 \u1ea5t tan ch\u1ea3y?..............138 V\u00ec sao l\u1ea1i x u \u1ea5 t hi\u1ec7n \u1ea3o \u1ea3nh trong sa m \u1ea1c?. .......... 139 V\u00ec sao l\u1ea1i c\u00f3 nh\u0169 \u0111\u00e1 trong hang \u0111\u1ed9ng?. .................. 139 V\u00ec sao c\u00f3 h \u1ea1 t m\u01b0a to v\u00e0 h\u1ea1 t m\u01b0a nh\u1ecf?....................141 V\u00ec sao l\u1ea1i c\u00f3 nh\u1eefng vi\u00ean \u0111\u00e1 c\u00f3 kh\u1ea3 n\u0103ng ti( nh\u1ea3y? V\u00ec sao trong h\u1ec7 M \u1eb7 t Tr\u1eddi ch\u1ec9 duy n h\u1ea5t Tr\u00e1i \u0110 \u1ea5t t\u1ed3n t\u1ea1 i s\u1ef1 s\u1ed1ng?....................142 V\u0169 tr\u1ee5 k\u1ef3 b\u00ed 177 https:\/\/thuviensach.vn","sao tr\u00ean sa m\u1ea1c l\u1ea1 i c\u00f3 \u1ed1c \u0111\u1ea3o?..............................143 V\u00ec sao tr\u00ean sa m\u1ea1c l\u1ea1i c\u00f3 nhi\u1ec1u m\u00e0u s\u1eafc?. ..............144 V\u00ec sao n\u01b0\u1edbc bi\u1ec3n l\u1ea1i kh\u00f4ng d \u1ec5 \u0111\u00f3ng b\u0103ng?. ............145 V\u00ec sao tr\u00ean bi\u1ec3n kh\u00f4ng c\u00f3 gi\u00f3 m\u00e0 v\u1eabn c\u00f3 s\u00f3ng?..........145 V\u00ec sao n\u01b0\u1edbc bi\u1ec3n l\u1ea1i m \u1eb7n?..........................................146 V\u00ec sao sau khi m\u01b0a tln\u1ec9\u1eddng xu\u1ea5t hi\u1ec7n c\u1ea7u v\u1ed3ng?..........147 C\u00e1ch t\u1ef1 l\u00e0m c\u1ea7u v\u1ed3ng?. ..............................................148 V\u00ec sao k h \u00ed m\u00e0 n\u00fai l\u1eeda phun ra l\u1ea1i c\u00f3 th \u1ec3 l\u00e0m ch \u1ebft ng\u01b0\u1eddi?. ........................................148 V\u00ec sao Tr\u00e1i \u0110 \u1ea5t c\u00f3 t\u1ea7ng k h \u00ed quy\u1ec3n?. ........................149 V\u0129 sao l\u1ea1i c\u00f3 ng\u00e0y v\u00e0 \u0111 \u00ea m ? ........................................150 V\u0129 sao ph\u1ec9 c\u00f4ng v\u0169 tru kh i \u0111i tr\u00ean M \u1eb7 t Tr\u0103ng l\u1ea1i ph\u1ea3i nh\u1ea3y t\u1eebng b\u01b0\u1edbc?................................................ 150 Gi\u00f3 c\u00f3 nh\u1eefng t\u00ea n g\u1ecdt kh\u00e1c nhau n\u00e0o?. ....................151 H\u1ed3 n\u01b0\u1edbc h\u00ecnh th\u00e0nh nhu\u2019th \u1ebf n\u00e0o?. ...........................152 sao trong l\u00f2ng Tr\u00e1i \u0110\u1ea5t l\u1ea1i \u0111\u01b0\u1ee2c chia l\u00e0m nhi\u1ec1u t\u1ea7ng?. ................................. 154 T\u1ea1i sao nh\u1eefng c\u1ea7u v\u1ed3ng th\u01b0\u1eddng tr\u00f2n v\u00e0 l\u1ea1i k \u00e9 p ? ...155 Than \u0111\u00e1 c\u00f3 p h\u1ea3i do \u0111\u00e1 bi\u1ebfn th\u00e0nh kh\u00f4ng?. ........... 157 V\u00ec sao c\u00e1c d\u00f2ng s\u00f4ng u\u1ed1n kh\u00fac quanh co?. ..............157 V\u00ec sao khi c\u00f3 s\u01b0\u01a1ng th\u00ec th\u1eddi ti\u1ebf t tht\u00ed\u1eddng n\u1eafng?. .........159 V\u00ec sao gi\u00f3 tr\u00ean m \u1eb7 t n\u01b0\u1edbc l\u1edbn h\u01a1n gi\u00f3 tr\u00ean m \u1eb7 t \u0111 \u1ea5 t? . ..................................................... 160 T\u1ea1i sao b\u00e3o l\u1ea1i chuy\u1ec3n \u0111\u1ed9ng xoay tr\u00f2n theo m \u1ed9t h\u01b0\u1edbng ng\u01b0\u1ee2c chi\u1ec1u kim \u0111\u1ed3ng h\u1ed3?. ............................161 178 & https:\/\/thuviensach.vn","T\u1ea1i sao b\u00e3o kh\u00f4ng xu\u1ea5t hi\u1ec7n \u1edf g\u1ea7n x\u00edch \u0111\u1ea1o? . .......162 T\u1ea1i sao c\u00f3 gi\u00f3 l\u1ed1c?.......................................................163 M t\u1ec9a ax\u00edt th\u01b0\u1eddng x\u1ea3 y ra \u1edf \u0111\u00e2u?. ............................. 164 sao khi gi\u00f3 th\u1ed5i m\u1ea1nh l\u1ea1i nghe th\u1ea5y ti\u00eang v\u00f9 v\u00f9?...165 M \u1ed9 t ng\u00e0y tr\u00ean M \u1eb7 t Tr\u0103ng d\u00e0i bao l\u00e2u?. ............... 166 Tr\u00ean M \u1eb7 t Tr\u0103ng c\u00f3 th \u1ec3 nh\u1ea3y cao h\u01a1n tr\u00ean Tr\u00e1t \u0110 \u1ea5t bao nhi\u00eau?......................................... 167 EH b\u1ed9 trong v\u0169 tr\u1ee5 c\u00f3 nguy hi\u1ec3m kh\u00f4ng?................168 T\u1ea1i sao ngu\u1ed3n n\u01b0\u1edbc kh\u00f4ng bao gi\u1edd c\u1ea1n?. ................170 https:\/\/thuviensach.vn","10 V\u1ea0N C\u00c2U H \u1ece I V\u00cc SAO? 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In xong v\u00e0 n\u1ed9p l\u01b0u chi\u1ec3u qu\u00fd III n\u0103m 2015. https:\/\/thuviensach.vn","4\u00ab vi SAO B\u00d5N M\u00d9A https:\/\/thuviensach.vn TRONG N\u00c2M KH\u00d4NG D\u00c0I NH\u01af NHAU? d\u00e0i ng\u1eafn n\u00e0y l\u00e0 do kho\u1ea3ng c\u00e1ch gi\u1eefa Tr\u00e1i \u0110\u1ea5t v\u1edbi M\u1eb7t Tr\u1eddi \u1edf m\u1ed7i th\u1eddi \u0111i\u1ec3m xa hay g\u1ea7n. Khi Tr\u00e1i \u0110\u1ea5t quay tr\u00ean qu\u1ef9 \u0111\u1ea1o, s\u1ebd c\u00f3 l\u00fac n\u00f3 g\u1ea7n M\u1eb7t Tr\u1eddi h\u01a1n, c\u00f3 l\u00fac c\u00e1ch xa h\u01a1n. M\u00f9a h\u1ea1, khi Tr\u00e1i \u0110\u1ea5t \u1edf xa M\u1eb7t Tr\u1eddi nh\u1ea5t, s\u1ee9c h\u00fat c\u1ee7a m\u1eb7t tr\u1eddi \u0111\u1ed1i v\u1edbi n\u00f3 l\u00e0 y\u1ebfu nh\u1ea5t, do \u0111\u00f3, Tr\u00e1i \u0110\u1ea5t quay ch\u1eadm nh\u1ea5t v\u00e0 th\u1eddi gian c\u1ee7a m\u00f9a h\u00e8 d\u00e0i nh\u1ea5t trong m\u1ed9t n\u00e0m. Ng\u01b0\u1ee3c l\u1ea1i, m\u00f9a \u0111\u00f4ng, khi Tr\u00e1i \u0110\u1ea5t \u1edf g\u1ea7n M\u1eb7t Tr\u1eddi nh\u1ea5t, s\u1ee9c h\u00fat c\u1ee7a M\u1eb7t Tr\u1eddi t\u00e1c \u0111\u1ed9ng l\u00ean n\u00f3 m\u1ea1nh nh\u1ea5t, do \u0111\u00f3 Tr\u00e1i \u0110\u1ea5t quay nhanh h\u01a1n l\u00fac n\u00e0o h\u1ebft v\u00e0 \u0111\u00f3 l\u00e0 m\u00f9a ng\u1eafn nh\u1ea5t trong n\u0103m. w \u01b0 \u00ec SQ","9 SQU h \u00f3 \\\\ \u01b0 \u00ec SOI v\u0169 TR\u1ee4 K\u1ef2 B\u00cd S\u01b0\u01a1ng m\u00f9 l\u00f2 g\u00ec? T\u1ea1i SQO l\u1ecdi c\u00f3 m\u01b0Q Q x \u00ed t ? T\u1ea1i SQO tu\u1ee5\u1ebft l\u1ecdi c\u00f3 m\u00f2u tr\u1ed1ng? T\u1ea1i soo n\u00fai l\u1ee7o l\u1ecdi phun tr\u00f2o? T\u1ea1i soo n\u01b0\u1edbc bi\u1ec3n l\u1ecdi m\u1eb7n? \u00ed H\u1ed3 n\u01b0\u1edbc \u1edd\u01b0\u1ee3c h\u00ecnh th\u00e0nh nh\u01b0 th\u1ebf n\u00e0o? T\u1ea1i SQO tr\u00ean h\u00e0nh tinh kh\u00f4ng c\u00f3 s\u1ef1 s\u1ed1ng? V\u00ec soo to kh\u00f4ng c\u1ecfm nh\u1ed9n \u1edd\u01b0\u1ee3c tr\u00f3i \u1ee1\u1ed1t chu\u1ee5\u1ec3n fl\u1ed9ng? ... .. \u1eae TRIDU CBO O KS IIIIII\u1eca II- 10v\u1ea1nc\u00e2uhoivisao?-V\u0169tr\u1ee5k\u1ef3b\u00ed , ..... house ofknowle\u01a1ge Q \u1eca \u00cc \u1eca2A\u00cc0h0ttpsV:\/\/NthuDviensach.vn"]