{"id":6857,"date":"2021-11-20T12:30:03","date_gmt":"2021-11-20T05:30:03","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=6857"},"modified":"2021-11-20T13:24:47","modified_gmt":"2021-11-20T06:24:47","slug":"vi-sao-vi-tri-cua-cac-chom-sao-bien-doi-theo-thoi-gian","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/vi-sao-vi-tri-cua-cac-chom-sao-bien-doi-theo-thoi-gian\/","title":{"rendered":"V\u00ec sao v\u1ecb tr\u00ed c\u1ee7a c\u00e1c ch\u00f2m sao bi\u1ebfn \u0111\u1ed5i theo th\u1eddi gian?"},"content":{"rendered":"\n<p>Nh\u1eefng \u0111\u00eam t\u1ed1i tr\u0103ng, tr\u1eddi trong s\u00e1ng, \u0111\u1ee9ng ch\u1ed7 quang \u0111\u00e3ng b\u1ea1n s\u1ebd th\u1ea5y c\u00e1c ng\u00f4i sao nh\u1ea5p nh\u00e1y tr\u00ean m\u00e0n tr\u1eddi \u0111en. N\u1ebfu b\u1ea1n lu\u00f4n quan s\u00e1t s\u1ebd ph\u00e1t hi\u1ec7n c\u00e1c ng\u00f4i sao m\u1ecdc l\u00ean t\u1eeb ph\u00eda \u0110\u00f4ng, ch\u1ea7m ch\u1eadm l\u01b0\u1edbt qua b\u1ea7u tr\u1eddi, d\u1ea7n d\u1ea7n l\u1eb7n xu\u1ed1ng ph\u00eda T\u00e2y, \u0111\u00fang nh\u01b0 h\u1eb1ng ng\u00e0y ta v\u1eabn nh\u00ecn th\u1ea5y M\u1eb7t Tr\u1eddi m\u1ecdc t\u1eeb ph\u00eda \u0110\u00f4ng l\u1eb7n xu\u1ed1ng ph\u00eda T\u00e2y. Th\u1ef1c ra \u0111\u00f3 l\u00e0 do Tr\u00e1i \u0110\u1ea5t t\u1ef1 quay t\u1eeb t\u00e2y sang \u0111\u00f4ng m\u00e0 g\u00e2y n\u00ean.<\/p>\n\n\n\n<p>Ngo\u00e0i h\u1eb1ng ng\u00e0y ta th\u1ea5y c\u00e1c ng\u00f4i sao ch\u1ea1y t\u1eeb \u0110\u00f4ng sang T\u00e2y ra, th\u1eddi \u0111i\u1ec3m m\u1ed7i ng\u00f4i sao b\u1eaft \u0111\u1ea7u m\u1ecdc ng\u00e0y h\u00f4m sau s\u1edbm h\u01a1n ng\u00e0y h\u00f4m tr\u01b0\u1edbc 4 ph\u00fat. Do \u0111\u00f3 t\u1eebng th\u1eddi kh\u1eafc gi\u1ed1ng nhau c\u1ee7a m\u1ed7i \u0111\u00eam trong m\u1ed9t n\u0103m, nh\u1eefng ng\u00f4i sao ta nh\u00ecn th\u1ea5y kh\u00f4ng gi\u1ed1ng nhau, v\u1ecb tr\u00ed c\u1ee7a c\u00e1c ch\u00f2m sao d\u1eddi d\u1ea7n v\u1ec1 ph\u00eda T\u00e2y. V\u00ed d\u1ee5 ch\u00f2m L\u1ea1p H\u1ed9 ta \u0111\u00e3 quen bi\u1ebft, \u0111\u1ea7u th\u00e1ng 12 l\u00fac ho\u00e0ng h\u00f4n n\u00f3 m\u1edbi m\u1ecdc l\u00ean t\u1eeb ph\u00eda \u0110\u00f4ng, qua ba th\u00e1ng sau l\u00fac ho\u00e0ng h\u00f4n n\u00f3 \u0111\u00e3 l\u1eb7n \u1edf ph\u00eda T\u00e2y. Ch\u00f2m sao n\u00e0y ch\u1ea1y tr\u00ean b\u1ea7u tr\u1eddi ph\u01b0\u01a1ng Nam. Nh\u01b0ng \u0111\u1ebfn cu\u1ed1i m\u00f9a xu\u00e2n, l\u00fac ho\u00e0ng h\u00f4n n\u00f3 \u0111\u00e3 c\u00f9ng l\u1eb7n v\u1edbi M\u1eb7t Tr\u1eddi.<\/p>\n\n\n\n<p>C\u00f9ng v\u1edbi c\u00e1c m\u00f9a thay \u0111\u1ed5i, c\u00e1c ch\u00f2m sao chuy\u1ec3n \u0111\u1ed9ng ch\u1eadm d\u1ea7n v\u1ec1 ph\u00eda t\u00e2y l\u00e0 v\u00ec Tr\u00e1i \u0110\u1ea5t c\u00f2n quay quanh M\u1eb7t Tr\u1eddi. N\u1ebfu ban ng\u00e0y c\u0169ng c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y sao th\u00ec ta s\u1ebd th\u1ea5y M\u1eb7t Tr\u1eddi s\u1ebd chuy\u1ec3n d\u1ea7n v\u1ec1 ph\u00eda \u0111\u00f4ng gi\u1eefa c\u00e1c ch\u00f2m sao. M\u1ed7i ng\u00e0y M\u1eb7t Tr\u1eddi d\u1ecbch v\u1ec1 ph\u00eda \u0111\u00f4ng m\u1ed9t \u0111\u1ed9, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi c\u1ef1 ly g\u1ea5p hai l\u1ea7n \u0111\u01b0\u1eddng k\u00ednh c\u1ee7a M\u1eb7t Tr\u1eddi. Nh\u01b0 v\u1eady trong m\u1ed9t n\u0103m c\u00e1c sao \u0111\u00e3 &#8220;chuy\u1ec3n \u0111\u1ed9ng v\u00f2ng nh\u00ecn n\u0103m&#8221; tr\u00ean b\u1ea7u tr\u1eddi.<\/p>\n\n\n\n<p>T\u00f3m l\u1ea1i, sao c\u00f3 hai hi\u1ec7n t\u01b0\u1ee3ng chuy\u1ec3n \u0111\u1ed9ng: m\u1ed9t lo\u1ea1i do Tr\u00e1i \u0110\u1ea5t t\u1ef1 quay g\u00e2y ra chuy\u1ec3n \u0111\u1ed9ng v\u00f2ng ng\u00e0y, t\u1ea1o th\u00e0nh m\u1ed7i \u0111\u00eam c\u00e1c sao m\u1ecdc t\u1eeb ph\u00eda \u0111\u00f4ng l\u1eb7n xu\u1ed1ng ph\u00eda t\u00e2y.<\/p>\n\n\n\n<p>Hi\u1ec7n t\u01b0\u1ee3ng th\u1ee9 hai l\u00e0 do Tr\u00e1i \u0110\u1ea5t quay quanh M\u1eb7t Tr\u1eddi g\u00e2y ra chuy\u1ec3n \u0111\u1ed9ng v\u00f2ng nh\u00ecn n\u0103m, khi\u1ebfn cho c\u00e1c ch\u00f2m sao \u1ea9n hi\u1ec7n bi\u1ebfn \u0111\u1ed5i t\u01b0\u01a1ng \u1ee9ng theo c\u00e1c m\u00f9a. Ch\u00fang ta kh\u00f4ng n\u00ean l\u1eabn l\u1ed9n hai hi\u1ec7n t\u01b0\u1ee3ng l\u00e0m m\u1ed9t.<\/p>\n\n\n\n<p>T\u1eeb kho\u00e1: Ch\u00f2m sao; Chuy\u1ec3n \u0111\u1ed9ng v\u00f2ng nh\u00ecn ng\u00e0y; Chuy\u1ec3n \u0111\u1ed9ng v\u00f2ng nh\u00ecn n\u0103m.<\/p>\n\n\n\n<p><\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>Nh\u1eefng \u0111\u00eam t\u1ed1i tr\u0103ng, tr\u1eddi trong s\u00e1ng, \u0111\u1ee9ng ch\u1ed7 quang \u0111\u00e3ng b\u1ea1n s\u1ebd th\u1ea5y c\u00e1c ng\u00f4i sao nh\u1ea5p nh\u00e1y tr\u00ean m\u00e0n tr\u1eddi \u0111en. N\u1ebfu b\u1ea1n lu\u00f4n quan s\u00e1t s\u1ebd ph\u00e1t hi\u1ec7n c\u00e1c ng\u00f4i sao m\u1ecdc l\u00ean t\u1eeb ph\u00eda \u0110\u00f4ng, ch\u1ea7m ch\u1eadm l\u01b0\u1edbt qua b\u1ea7u tr\u1eddi, d\u1ea7n d\u1ea7n l\u1eb7n xu\u1ed1ng ph\u00eda T\u00e2y, \u0111\u00fang nh\u01b0 h\u1eb1ng ng\u00e0y [&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":[15,7],"tags":[],"class_list":["post-6857","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-vat-ly"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/6857","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=6857"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/6857\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=6857"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=6857"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=6857"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}