{"id":10149,"date":"2021-11-21T19:12:13","date_gmt":"2021-11-21T12:12:13","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=10149"},"modified":"2021-11-21T19:39:06","modified_gmt":"2021-11-21T12:39:06","slug":"vi-sao-hinh-thanh-song-bang-va-nui-bang","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/vi-sao-hinh-thanh-song-bang-va-nui-bang\/","title":{"rendered":"V\u00ec sao h\u00ecnh th\u00e0nh s\u00f4ng b\u0103ng v\u00e0 n\u00fai b\u0103ng?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Tr\u00ean Tr\u00e1i \u0110\u1ea5t \u1edf m\u1ed9t s\u1ed1 v\u00f9ng n\u00fai v\u00e0 hai c\u1ef1c quanh n\u0103m \u0111\u1ec1u kho\u00e1c \u00e1o tr\u1eafng. \u1ede v\u00f9ng n\u00fai, v\u00ec \u0111\u1ecba th\u1ebf cao, kh\u00f4ng kh\u00ed lo\u00e3ng, n\u00ean nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, c\u00f2n \u1edf hai c\u1ef1c v\u00ec nhi\u1ec7t l\u01b0\u1ee3ng \u00e1nh n\u1eafng M\u1eb7t T r\u1eddi \u1edf \u0111\u00f3 r\u1ea5t \u00edt cho n\u00ean kh\u00ed h\u1eadu quanh n\u0103m gi\u00e1 l\u1ea1nh. B\u1ed1n m\u00f9a \u0111\u1ec1u \u0111\u00f3ng b\u0103ng. T \u1ed5ng c\u1ed9ng di\u1ec7n t\u00edch quanh n\u0103m b\u1ecb b\u0103ng bao ph\u1ee7 l\u00e0 16 tri\u1ec7u km2, tr\u00ean 90% l\u00e0 \u1edf hai v\u00f9ng c\u1ef1c. Nh\u1eefng b\u0103ng tuy\u1ebft n\u00e0y t\u1ed3n t\u1ea1i d\u01b0\u1edbi d\u1ea1ng s\u00f4ng b\u0103ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ec sao l\u1ea1i g\u1ecdi l\u00e0 s\u00f4ng b\u0103ng? \u0110\u00f3 l\u00e0 v\u00ec m\u1eb7c d\u00f9 b\u0103ng r\u1ea5t r\u1eafn, nh\u01b0ng d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a tr\u1ecdng l\u1ef1c, n\u00f3 v\u1eabn ch\u1ea3y ch\u1eadm ch\u1ea1p t\u1eeb cao xu\u1ed1ng th\u1ea5p. T \u1ed1c \u0111\u1ed9 ch\u1ea3y c\u1ee7a s\u00f4ng b\u0103ng n\u00f3i chung m\u1ed9t ng\u00e0y \u0111\u00eam l\u00e0 1 m, c\u00f3 nh\u1eefng s\u00f4ng b\u0103ng c\u00e1 bi\u1ec7t ng\u00e0y \u0111\u00eam c\u00f3 th\u1ec3 ch\u1ea3y h\u01a1n 20 m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u00fang \u0111\u1ec1u c\u00f3 quy lu\u1eadt chung l\u00e0 b\u0103ng c\u00e0ng d\u00e0y, \u0111\u1ed9 d\u1ed1c c\u00e0ng l\u1edbn, nhi\u1ec7t \u0111\u1ed9 c\u00e0ng cao th\u00ec t\u1ed1c \u0111\u1ed9 ch\u1ea3y c\u00e0ng nhanh. B\u0103ng c\u1ea5u t\u1ea1o th\u00e0nh s\u00f4ng b\u0103ng kh\u00e1c v\u1edbi b\u0103ng th\u00f4ng th\u01b0\u1eddng, n\u00f3 kh\u00f4ng ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00f4ng k\u1ebft t\u1eeb b\u0103ng \u0111\u01a1n gi\u1ea3n m\u00e0 l\u00e0 t\u1eeb tuy\u1ebft. Khi \u00e1nh n\u1eafng chi\u1ebfu xu\u1ed1ng gi\u1eefa c\u00e1c l\u1edbp tuy\u1ebft, ch\u00fang tan ra m\u1ed9t \u00edt, sau \u0111\u00f3 \u0111\u00f4ng k\u1ebft l\u1ea1i, \u0111\u1ea7u ti\u00ean k\u1ebft th\u00e0nh tuy\u1ebft \u1edf d\u1ea1ng h\u1ea1t, ti\u1ebfn th\u00eam m\u1ed9t b\u01b0\u1edbc m\u1edbi k\u1ebft th\u00e0nh b\u0103ng. Lo\u1ea1i b\u0103ng n\u00e0y h\u01a1i nh\u1eb9 h\u01a1n b\u0103ng b\u00ecnh th\u01b0\u1eddng, g\u1ecdi l\u00e0 b\u0103ng c\u1ee7a s\u00f4ng b\u0103ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u00f4ng b\u0103ng \u1edf tr\u00ean c\u00e1c \u0111\u1ec9nh n\u00fai g\u1ecdi l\u00e0 s\u00f4ng b\u0103ng \u1edf n\u00fai cao, c\u00f2n s\u00f4ng b\u0103ng \u1edf hai v\u00f9ng c\u1ef1c g\u1ecdi l\u00e0 s\u00f4ng b\u0103ng \u0111\u1ea1i l\u1ee5c. H\u1ea7u nh\u01b0 to\u00e0n b\u1ed9 \u0111\u1ea1i l\u1ee5c \u1edf Nam C\u1ef1c \u0111\u1ec1u ch\u00ecm ng\u1eadp d\u01b0\u1edbi l\u1edbp b\u0103ng d\u00e0y tr\u00ean ngh\u00ecn m\u00e9t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Di\u1ec7n t\u00edch s\u00f4ng b\u0103ng \u1edf Nam C\u1ef1c chi\u1ebfm tr\u00ean 85% to\u00e0n b\u1ed9 di\u1ec7n t\u00edch s\u00f4ng b\u0103ng. Theo t\u00ednh to\u00e1n t\u1ed5ng th\u1ec3 t\u00edch s\u00f4ng b\u0103ng c\u00f3 kho\u1ea3ng 28 tri\u1ec7u km3. \u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a lo\u1ea1i s\u00f4ng b\u0103ng n\u00e0y l\u00e0 \u0111\u1ed9 d\u1ed1c kh\u00f4ng l\u1edbn, n\u00f3 ch\u1ec9 c\u00f3 \u0111\u1ed9 nghi\u00eang \u1edf m\u00e9p ngo\u00e0i v\u00e0 h\u00ecnh th\u00e0nh nh\u1eefng l\u01b0\u1ee1i b\u0103ng k\u00e9o d\u00e0i ra bi\u1ec3n. \u1ede c\u00e1c d\u1ed1c b\u1edd bi\u1ec3n, b\u0103ng th\u01b0\u1eddng ph\u00e1t sinh n\u1ee9t g\u00e3y, \u0111\u1ed3ng th\u1eddi ph\u1ea7n b\u0103ng ch\u00ecm xu\u1ed1ng bi\u1ec3n \u0111\u01b0\u1ee3c n\u01b0\u1edbc bi\u1ec3n n\u00e2ng l\u00ean, l\u00e0m cho l\u01b0\u1ee1i b\u0103ng b\u1ecb g\u00e3y ch\u1ea5t th\u00e0nh n\u00fai b\u0103ng. C\u00f3 l\u00fac n\u00fai b\u0103ng n\u1ed5i tr\u00ean bi\u1ec3n g\u1eb7p ph\u1ea3i nh\u1eefng l\u01b0\u1ee1i b\u0103ng, hai b\u00ean \u0111\u1ec1u b\u1ecb g\u00e3y, h\u00ecnh th\u00e0nh n\u00fai b\u0103ng m\u1edbi. H\u00ecnh d\u1ea1ng c\u1ee7a n\u00fai b\u0103ng ch\u1ee7 y\u1ebfu l\u00e0 h\u00ecnh m\u1eb7t b\u00e0n ho\u1eb7c h\u00ecnh g\u00f3c nh\u1ecdn, nh\u1eefng kh\u1ed1i b\u0103ng l\u1edbn c\u00f3 th\u1ec3 gi\u1eef l\u00e2u t\u1eeb 2 &#8211; 10 n\u0103m n\u1ed5i tr\u00ean m\u1eb7t bi\u1ec3n h\u00e0ng tr\u0103m m\u00e9t. B\u1ed9 ph\u1eadn n\u1ed5i tr\u00ean m\u1eb7t bi\u1ec3n n\u00e0y ch\u1ec9 chi\u1ebfm kho\u1ea3ng 1\/7 th\u1ec3 t\u00edch to\u00e0n kh\u1ed1i b\u0103ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng ng\u01b0\u1eddi \u0111i bi\u1ec3n \u1edf c\u00e1c c\u1ef1c, khi h\u00fac ph\u1ea3i n\u00fai b\u0103ng th\u01b0\u1eddng x\u1ea3y ra nguy hi\u1ec3m, c\u00f3 l\u00fac t\u00e0u b\u1ecb \u0111\u00e1nh \u0111\u1eafm. Con t\u00e0u Titanic n\u1ed5i ti\u1ebfng ch\u00ednh l\u00e0 h\u00fac v\u00e0o n\u00fai b\u0103ng m\u00e0 b\u1ecb \u0111\u1eafm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T \u1eeb kho\u00e1: S\u00f4ng b\u0103ng; N\u00fai b\u0103ng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tr\u00ean Tr\u00e1i \u0110\u1ea5t \u1edf m\u1ed9t s\u1ed1 v\u00f9ng n\u00fai v\u00e0 hai c\u1ef1c quanh n\u0103m \u0111\u1ec1u kho\u00e1c \u00e1o tr\u1eafng. \u1ede v\u00f9ng n\u00fai, v\u00ec \u0111\u1ecba th\u1ebf cao, kh\u00f4ng kh\u00ed lo\u00e3ng, n\u00ean nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, c\u00f2n \u1edf hai c\u1ef1c v\u00ec nhi\u1ec7t l\u01b0\u1ee3ng \u00e1nh n\u1eafng M\u1eb7t T r\u1eddi \u1edf \u0111\u00f3 r\u1ea5t \u00edt cho n\u00ean kh\u00ed h\u1eadu quanh n\u0103m gi\u00e1 l\u1ea1nh. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,19],"tags":[],"class_list":["post-10149","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-tu-nhien"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10149","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=10149"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10149\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=10149"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=10149"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=10149"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}