N\u1ebfu d\u00f9ng k\u00ednh vi\u1ec5n v\u1ecdng thi\u00ean v\u0103n \u0111\u1ec3 quan s\u00e1t b\u1ea7u tr\u1eddi b\u1ea1n s\u1ebd ph\u00e1t hi\u1ec7n trong b\u1ea7u tr\u1eddi c\u00f3 nhi\u1ec1u h\u1eb1ng tinh th\u00e0nh t\u1eebng c\u1eb7p, \u0111i \u0111\u00f4i v\u1edbi nhau. V\u1ecb tr\u00ed c\u1ee7a ch\u00fang r\u1ea5t g\u1ea7n nhau. Ch\u00fang ta g\u1ecdi hai h\u1eb1ng tinh s\u00e1t g\u1ea7n nhau nh\u01b0 th\u1ebf l\u00e0 song tinh (sao \u0111\u00f4i). C\u00f3 th\u1ec3 n\u00f3i c\u00e1c h\u1eb1ng tinh tr\u00ean tr\u1eddi c\u0169ng th\u00edch k\u1ebft b\u1ea1n v\u00e0 c\u00e1c h\u1eb1ng tinh \u0111\u01a1n l\u1ebb ch\u1ec9 chi\u1ebfm s\u1ed1 \u00edt. \u0110\u01b0\u01a1ng nhi\u00ean c\u00e1c song tinh c\u0169ng m\u1ed7i c\u1eb7p m\u1ed9t kh\u00e1c. C\u00f3 c\u1eb7p l\u00e0 h\u1eb1ng tinh n\u00e0y chuy\u1ec3n \u0111\u1ed9ng quanh h\u1eb1ng tinh kia d\u1ef1a v\u00e0o l\u1ef1c h\u1ea5p d\u1eabn \u0111\u1ec3 duy tr\u00ec, \u0111\u00f3 g\u1ecdi l\u00e0 song tinh v\u1eadt l\u00fd (sao k\u00e9p). C\u00f3 nh\u1eefng c\u1eb7p song tinh ch\u1ec9 l\u00e0 quan h\u1ec7 chi\u1ebfu l\u00ean nhau, t\u01b0\u1edfng l\u00e0 r\u1ea5t g\u1ea7n nhau nh\u01b0ng tr\u00ean th\u1ef1c t\u1ebf c\u1ef1 ly c\u00e1ch xa nhau kh\u00f4ng h\u1ec1 c\u00f3 m\u1ed1i quan h\u1ec7 v\u1ec1 v\u1eadt l\u00fd, g\u1ecdi l\u00e0 “g\u1ea7n m\u1eb7t xa l\u00f2ng” \u0111\u00f3 g\u1ecdi l\u00e0 song tinh quang h\u1ecdc.<\/p>\n\n\n\n
Nh\u1eefng c\u1eb7p song tinh ta th\u01b0\u1eddng n\u00f3i \u0111\u1ebfn l\u00e0 song tinh v\u1eadt l\u00fd. \u0110\u1ed1i v\u1edbi c\u00e1c c\u1eb7p song tinh v\u1eadt l\u00fd, kho\u1ea3ng c\u00e1ch gi\u1eefa hai ng\u00f4i sao c\u0169ng c\u00f3 s\u1ef1 ch\u00eanh l\u1ec7ch r\u1ea5t l\u1edbn. V\u00ed d\u1ee5 “song tinh th\u00e2n c\u1eadn” kho\u1ea3ng c\u00e1ch gi\u1eefa hai ng\u00f4i sao r\u1ea5t g\u1ea7n, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c xem l\u00e0 nh\u1eefng ng\u01b0\u1eddi b\u1ea1n th\u00e2n thi\u1ebft. Gi\u1eefa ch\u00fang ph\u00e1t sinh nh\u1eefng qu\u00e1 tr\u00ecnh t\u00e1c d\u1ee5ng t\u01b0\u01a1ng h\u1ed7 r\u1ea5t ph\u1ee9c t\u1ea1p, s\u1ea3n sinh \u1ea3nh h\u01b0\u1edfng thu\u1ef7 tri\u1ec1u, th\u1eadm ch\u00ed c\u00f2n xu\u1ea5t hi\u1ec7n c\u00e1c lu\u1ed3ng kh\u00ed t\u1eeb sao n\u00e0y ch\u1ea1y sang sao kia.<\/p>\n\n\n\n
Bu\u1ed5i t\u1ed1i c\u00f3 nhi\u1ec1u c\u1eb7p song tinh n\u1ed5i ti\u1ebfng. V\u00ed d\u1ee5 sao Thi\u00ean lang, Nam m\u00f4n 2, Nam m\u00f4n 3, B\u1eafc h\u00e0 2, T\u00e2m t\u00fa 2, Gi\u00e1c t\u00fa 1, v.v. \u0111\u1ec1u l\u00e0 nh\u1eefng c\u1eb7p song tinh. Trong \u0111\u00f3 sao Thi\u00ean lang thu\u1ed9c v\u1ec1 lo\u1ea1i song tinh m\u1eaft th\u01b0\u1eddng kh\u00f4ng th\u1ea5y \u0111\u01b0\u1ee3c, ph\u1ea3i th\u00f4ng qua k\u00ednh vi\u1ec5n v\u1ecdng thi\u00ean v\u0103n m\u1edbi c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y quan h\u1ec7 song tinh c\u1ee7a ch\u00fang. Ng\u00f4i sao quay chung quanh sao Thi\u00ean lang l\u00e0 m\u1ed9t ng\u00f4i sao b\u1ea1ch o\u1ea3i. “Gi\u00e1c t\u00fa 1” thu\u1ed9c lo\u1ea1i song tinh ph\u00e2n quang, t\u1ee9c l\u00e0 ch\u1ec9 c\u00f3 th\u1ec3 th\u00f4ng qua ph\u00e2n t\u00edch tia quang ph\u1ed5 c\u1ee7a n\u00f3 m\u1edbi x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c ch\u00fang l\u00e0 c\u1eb7p song tinh, c\u00f2n d\u00f9ng k\u00ednh vi\u1ec5n v\u1ecdng th\u00ec kh\u00f4ng th\u1ec3 ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n
Trong th\u1ebf gi\u1edbi c\u00e1c h\u1eb1ng tinh, song tinh l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng ph\u1ed5 bi\u1ebfn. Ngo\u00e0i ra c\u00f2n c\u00f3 kh\u00f4ng \u00edt nh\u1eefng t\u1eadp \u0111o\u00e0n nh\u1ecf c\u00f3 m\u1ed1i li\u00ean h\u1ec7 v\u1eadt l\u00fd v\u1edbi nhau h\u00ecnh th\u00e0nh 3 – 5 c\u00e1c \u0111\u00e1m h\u1eb1ng tinh, g\u1ecdi chung l\u00e0 t\u1ee5 tinh. C\u00e1c h\u1eb1ng tinh g\u1ea7n h\u1ec7 M\u1eb7t Tr\u1eddi \u01b0\u1edbc t\u00ednh c\u00f3 t\u1eeb m\u1ed9t n\u1eeda ho\u1eb7c m\u1ed9t n\u1eeda \u0111\u1ec1u l\u00e0 song tinh ho\u1eb7c th\u00e0nh vi\u00ean c\u1ee7a c\u00e1c t\u1ee5 tinh.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: Song tinh; Song tinh v\u1eadt l\u00fd; Song tinh quang h\u1ecdc; Song tinh g\u1ea7n; T\u1ee5 tinh.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
N\u1ebfu d\u00f9ng k\u00ednh vi\u1ec5n v\u1ecdng thi\u00ean v\u0103n \u0111\u1ec3 quan s\u00e1t b\u1ea7u tr\u1eddi b\u1ea1n s\u1ebd ph\u00e1t hi\u1ec7n trong b\u1ea7u tr\u1eddi c\u00f3 nhi\u1ec1u h\u1eb1ng tinh th\u00e0nh t\u1eebng c\u1eb7p, \u0111i \u0111\u00f4i v\u1edbi nhau. V\u1ecb tr\u00ed c\u1ee7a ch\u00fang r\u1ea5t g\u1ea7n nhau. Ch\u00fang ta g\u1ecdi hai h\u1eb1ng tinh s\u00e1t g\u1ea7n nhau nh\u01b0 th\u1ebf l\u00e0 song tinh (sao \u0111\u00f4i). C\u00f3 th\u1ec3 […]<\/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-7249","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\/7249","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=7249"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7249\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=7249"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=7249"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=7249"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}