Sao b\u0103ng ta nh\u00ecn th\u1ea5y c\u00f3 l\u00fac nhi\u1ec1u, l\u00fac \u00edt. N\u1ebfu quan s\u00e1t k\u1ef9 s\u1ebd ph\u00e1t hi\u1ec7n n\u1eeda tr\u01b0\u1edbc \u0111\u00eam nh\u00ecn th\u1ea5y sao b\u0103ng \u00edt h\u01a1n n\u1eeda \u0111\u00eam. \u0110\u00f3 l\u00e0 v\u00ec sao?<\/p>\n\n\n\n
N\u00f3i chung sao b\u0103ng ph\u00e2n b\u1ed1 \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean kh\u00f4ng gian b\u1ea7u tr\u1eddi quanh Tr\u00e1i \u0110\u1ea5t, t\u1ed1c \u0111\u1ed9 chuy\u1ec3n \u0111\u1ed9ng v\u00e0 ph\u01b0\u01a1ng h\u01b0\u1edbng c\u1ee7a ch\u00fang c\u0169ng kh\u00e1c nhau. Gi\u1ea3 s\u1eed Tr\u00e1i \u0110\u1ea5t kh\u00f4ng t\u1ef1 quay v\u00e0 kh\u00f4ng quay quanh M\u1eb7t Tr\u1eddi, \u0111\u1ee9ng y\u00ean m\u1ed9t ch\u1ed7, v\u1eady th\u00ec s\u1ed1 l\u01b0\u1ee3ng sao b\u0103ng t\u1eeb c\u00e1c ph\u00eda r\u01a1i v\u00e0o Tr\u00e1i \u0110\u1ea5t s\u1ebd nh\u01b0 nhau.<\/p>\n\n\n\n
Nh\u01b0ng v\u00ec Tr\u00e1i \u0110\u1ea5t chuy\u1ec3n \u0111\u1ed9ng v\u1edbi t\u1ed1c \u0111\u1ed9 30 km\/s, n\u00f3 c\u00f2n quay quanh M\u1eb7t Tr\u1eddi n\u00ean t\u1ea1o ra s\u1ed1 l\u01b0\u1ee3ng sao b\u0103ng c\u00f3 l\u00fac xu\u1ea5t hi\u1ec7n kh\u00f4ng gi\u1ed1ng nhau.<\/p>\n\n\n\n
N\u1eeda tr\u01b0\u1edbc \u0111\u00eam ng\u01b0\u1eddi quan s\u00e1t h\u01b0\u1edbng v\u1ec1 ph\u00eda ng\u01b0\u1ee3c chi\u1ec1u v\u1edbi Tr\u00e1i \u0110\u1ea5t t\u1ef1 quay cho n\u00ean s\u1ed1 sao b\u0103ng nh\u00ecn th\u1ea5y l\u00e0 nh\u1eefng sao b\u0103ng c\u00f3 t\u1ed1c \u0111\u1ed9 chuy\u1ec3n \u0111\u1ed9ng l\u1edbn h\u01a1n Tr\u00e1i \u0110\u1ea5t quay v\u00e0 \u0111u\u1ed5i k\u1ecbp t\u1ed1c \u0111\u1ed9 Tr\u00e1i \u0110\u1ea5t n\u00ean r\u01a1i v\u00e0o trong t\u1ea7ng kh\u00ed quy\u1ec3n m\u00e0 t\u1ea1o th\u00e0nh. C\u00f2n sau n\u1eeda \u0111\u00eam ng\u01b0\u1eddi quan s\u00e1t c\u00f9ng h\u01b0\u1edbng v\u1edbi h\u01b0\u1edbng quay c\u1ee7a Tr\u00e1i \u0110\u1ea5t, l\u00fac \u0111\u00f3 Tr\u00e1i \u0110\u1ea5t s\u1ebd \u0111u\u1ed5i k\u1ecbp c\u00e1c sao b\u0103ng ho\u1eb7c c\u00e1c sao b\u0103ng s\u1ebd \u0111\u1ed1i m\u1eb7t v\u1edbi Tr\u00e1i \u0110\u1ea5t, m\u1ed9t khi r\u01a1i v\u00e0o t\u1ea7ng kh\u00ed quy\u1ec3n s\u1ebd t\u1ea1o n\u00ean hi\u1ec7n t\u01b0\u1ee3ng sao b\u0103ng, cho n\u00ean s\u1ed1 sao b\u0103ng nh\u00ecn th\u1ea5y nhi\u1ec1u h\u01a1n. Nh\u1ea5t l\u00e0 g\u1ea7n \u0111\u1ebfn l\u00fac b\u00ecnh minh s\u1ed1 sao b\u0103ng nh\u00ecn th\u1ea5y nhi\u1ec1u nh\u1ea5t. T\u1eeb b\u00ecnh minh \u0111\u1ebfn tr\u01b0a trong kho\u1ea3ng th\u1eddi gian n\u00e0y sao b\u0103ng c\u0169ng t\u01b0\u01a1ng \u0111\u1ed1i nhi\u1ec1u, nh\u01b0ng v\u00ec ban ng\u00e0y \u00e1nh n\u1eafng M\u1eb7t Tr\u1eddi chi\u1ebfu s\u00e1ng cho n\u00ean m\u1eaft th\u01b0\u1eddng v\u00e0 k\u00ednh vi\u1ec5n v\u1ecdng quang h\u1ecdc kh\u00f4ng nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: Sao b\u0103ng; Tr\u00e1i \u0110\u1ea5t quay quanh M\u1eb7t<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Sao b\u0103ng ta nh\u00ecn th\u1ea5y c\u00f3 l\u00fac nhi\u1ec1u, l\u00fac \u00edt. N\u1ebfu quan s\u00e1t k\u1ef9 s\u1ebd ph\u00e1t hi\u1ec7n n\u1eeda tr\u01b0\u1edbc \u0111\u00eam nh\u00ecn th\u1ea5y sao b\u0103ng \u00edt h\u01a1n n\u1eeda \u0111\u00eam. \u0110\u00f3 l\u00e0 v\u00ec sao? N\u00f3i chung sao b\u0103ng ph\u00e2n b\u1ed1 \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean kh\u00f4ng gian b\u1ea7u tr\u1eddi quanh Tr\u00e1i \u0110\u1ea5t, t\u1ed1c \u0111\u1ed9 chuy\u1ec3n \u0111\u1ed9ng v\u00e0 ph\u01b0\u01a1ng h\u01b0\u1edbng […]<\/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-6877","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\/6877","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=6877"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/6877\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=6877"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=6877"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=6877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}