Ch\u00fang ta \u0111\u1ec1u c\u00f3 kinh nghi\u1ec7m: khi ta c\u00e0ng g\u1ea7n l\u00f2 l\u1eeda th\u00ec c\u1ea3m th\u1ea5y n\u00f3ng v\u00e0 s\u1ebd c\u00e0ng l\u00fac c\u00e0ng n\u00f3ng, khi xa l\u00f2 l\u1eeda c\u1ea3m th\u1ea5y nhi\u1ec7t l\u01b0\u1ee3ng \u00edt v\u00e0 c\u00e0ng ng\u00e0y c\u00e0ng l\u1ea1nh.<\/p>\n\n\n\n
Qu\u1ef9 \u0111\u1ea1o T r\u00e1i \u0110\u1ea5t quay quanh M\u1eb7t T r\u1eddi theo h\u00ecnh elip. C\u1ef1 ly gi\u1eefa T r\u00e1i \u0110\u1ea5t v\u00e0 M\u1eb7t T r\u1eddi lu\u00f4n lu\u00f4n bi\u1ebfn \u0111\u1ed5i. C\u00e1c nh\u00e0 thi\u00ean v\u0103n h\u1ecdc cho ta bi\u1ebft: h\u1eb1ng n\u0103m ng\u00e0y 3 th\u00e1ng gi\u00eang l\u00e0 ng\u00e0y T r\u00e1i \u0110\u1ea5t g\u1ea7n M\u1eb7t T r\u1eddi nh\u1ea5t, ng\u00e0y 4 th\u00e1ng 7 l\u00e0 ng\u00e0y T r\u00e1i \u0110\u1ea5t xa M\u1eb7t T r\u1eddi nh\u1ea5t. M\u1eb7t T r\u1eddi l\u00e0 m\u1ed9t kh\u1ed1i c\u1ea7u ph\u00e1t nhi\u1ec7t. T heo nguy\u00ean l\u00fd th\u00ec c\u00e0ng g\u1ea7n M\u1eb7t T r\u1eddi nhi\u1ec7t \u0111\u1ed9 c\u00e0ng n\u00f3ng t\u1ee9c l\u00e0 th\u1eddi k\u1ef3 Tr\u00e1i \u0110\u1ea5t n\u00f3ng nh\u1ea5t n\u00ean l\u00e0 th\u00e1ng gi\u00eang, l\u1ea1nh nh\u1ea5t n\u00ean l\u00e0 th\u00e1ng 7. Nh\u01b0ng tr\u00ean th\u1ef1c t\u1ebf th\u00e1ng gi\u00eang l\u00e0 m\u00f9a gi\u00e1 r\u00e9t, c\u00f2n th\u00e1ng 7 l\u00e0 m\u00f9a h\u00e8 n\u00f3ng n\u1ef1c. V\u00ec sao l\u1ea1i th\u1ebf?<\/p>\n\n\n\n
Nguy\u00ean l\u00e0 s\u1ef1 n\u00f3ng l\u1ea1nh c\u1ee7a kh\u00ed h\u1eadu tuy do ngu\u1ed3n nhi\u1ec7t h\u1ea5p th\u1ee5 \u0111\u01b0\u1ee3c t\u1eeb M\u1eb7t T r\u1eddi nhi\u1ec1u hay \u00edt quy\u1ebft \u0111\u1ecbnh, nh\u01b0ng khi T r\u00e1i \u0110\u1ea5t g\u1ea7n M\u1eb7t T r\u1eddi v\u1eabn kh\u00f4ng ph\u1ea3i l\u00e0 nguy\u00ean nh\u00e2n ch\u1ee7 y\u1ebfu \u0111\u1ec3 quy\u1ebft \u0111\u1ecbnh nhi\u1ec7t l\u01b0\u1ee3ng thu \u0111\u01b0\u1ee3c nhi\u1ec1u hay \u00edt. B\u1edfi v\u00ec ng\u00e0y 3 th\u00e1ng gi\u00eang h\u00e0ng n\u0103m, T r\u00e1i \u0110\u1ea5t c\u00e1ch M\u1eb7t T r\u1eddi kho\u1ea3ng 147 tri\u1ec7u km, ng\u00e0y 4 th\u00e1ng 7 T r\u00e1i \u0110\u1ea5t c\u00e1ch M\u1eb7t T r\u1eddi 152 tri\u1ec7u km, c\u1ef1 ly kho\u1ea3ng c\u00e1ch gi\u1eefa T r\u00e1i \u0110\u1ea5t v\u00e0 M\u1eb7t T r\u1eddi c\u1ee7a hai ng\u00e0y \u0111\u00f3 ch\u1ec9 ch\u00eanh nhau 2% (kho\u1ea3ng 5 tri\u1ec7u km) cho n\u00ean \u1ea3nh h\u01b0\u1edfng c\u1ee7a nhi\u1ec7t l\u01b0\u1ee3ng m\u00e0 T r\u00e1i \u0110\u1ea5t thu \u0111\u01b0\u1ee3c kh\u00f4ng ch\u00eanh nhau l\u1eafm.<\/p>\n\n\n\n
Nguy\u00ean nh\u00e2n ch\u1ee7 y\u1ebfu quy\u1ebft \u0111\u1ecbnh s\u1ef1 n\u00f3ng, l\u1ea1nh c\u1ee7a kh\u00ed h\u1eadu tr\u00ean T r\u00e1i \u0110\u1ea5t l\u00e0 \u0111\u1ed9 nghi\u00eang chi\u1ebfu s\u00e1ng c\u1ee7a \u00e1nh n\u1eafng M\u1eb7t T r\u1eddi tr\u00ean m\u1eb7t \u0111\u1ea5t. N\u1ebfu \u0111\u1ed9 nghi\u00eang n\u00e0y c\u00e0ng l\u1edbn th\u00ec nhi\u1ec7t l\u01b0\u1ee3ng m\u1ed9t \u0111\u01a1n v\u1ecb di\u1ec7n t\u00edch tr\u00ean m\u1eb7t \u0111\u1ea5t thu \u0111\u01b0\u1ee3c c\u00e0ng \u00edt. \u00c1nh n\u1eafng m\u00f9a \u0111\u00f4ng chi\u1ebfu l\u00ean B\u1eafc b\u00e1n c\u1ea7u ho\u00e0n to\u00e0n nghi\u00eang, c\u1ed9ng th\u00eam ng\u00e0y ng\u1eafn \u0111\u00eam d\u00e0i, cho n\u00ean kh\u00ed h\u1eadu gi\u00e1 r\u00e9t, c\u00f2n m\u00f9a h\u00e8 \u00e1nh n\u1eafng chi\u1ebfu t\u01b0\u01a1ng \u0111\u1ed1i vu\u00f4ng g\u00f3c v\u1edbi T r\u00e1i \u0110\u1ea5t, c\u1ed9ng th\u00eam ng\u00e0y d\u00e0i \u0111\u00eam ng\u1eafn cho n\u00ean kh\u00ed h\u1eadu r\u1ea5t n\u00f3ng.<\/p>\n\n\n\n
\u1ede Nam b\u00e1n c\u1ea7u th\u00e1ng gi\u00eang n\u00f3ng, th\u00e1ng b\u1ea3y l\u1ea1nh. \u0110i\u1ec1u \u0111\u00f3 th\u1ef1c ra c\u0169ng kh\u00f4ng ph\u1ea3i v\u00ec th\u00e1ng gi\u00eang Tr\u00e1i \u0110\u1ea5t g\u1ea7n M\u1eb7t Tr\u1eddi, th\u00e1ng b\u1ea3y c\u00e1ch xa, m\u00e0 v\u1eabn l\u00e0 do \u0111\u1ed9 nghi\u00eang c\u1ee7a \u00e1nh n\u1eafng M\u1eb7t T r\u1eddi chi\u1ebfu xu\u1ed1ng Nam b\u00e1n c\u1ea7u l\u1edbn h\u01a1n th\u00e1ng 7.<\/p>\n\n\n\n
T \u1eeb kho\u00e1: \u0110\u1ed9 chi\u1ebfu nghi\u00eang; Chi\u1ebfu th\u1eb3ng.<\/p>\n","protected":false},"excerpt":{"rendered":"
Ch\u00fang ta \u0111\u1ec1u c\u00f3 kinh nghi\u1ec7m: khi ta c\u00e0ng g\u1ea7n l\u00f2 l\u1eeda th\u00ec c\u1ea3m th\u1ea5y n\u00f3ng v\u00e0 s\u1ebd c\u00e0ng l\u00fac c\u00e0ng n\u00f3ng, khi xa l\u00f2 l\u1eeda c\u1ea3m th\u1ea5y nhi\u1ec7t l\u01b0\u1ee3ng \u00edt v\u00e0 c\u00e0ng ng\u00e0y c\u00e0ng l\u1ea1nh. Qu\u1ef9 \u0111\u1ea1o T r\u00e1i \u0110\u1ea5t quay quanh M\u1eb7t T r\u1eddi theo h\u00ecnh elip. C\u1ef1 ly gi\u1eefa T r\u00e1i \u0110\u1ea5t […]<\/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-9877","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\/9877","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=9877"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9877\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9877"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9877"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}