T\u1eeb r\u1ea5t s\u1edbm con ng\u01b0\u1eddi \u0111\u00e3 d\u00f9ng k\u00ednh vi\u1ec5n v\u1ecdng ph\u00e1t hi\u1ec7n ra nh\u1eefng thi\u00ean th\u1ec3 ph\u00e1t s\u00e1ng gi\u1ed1ng nh\u01b0 m\u00e2y m\u00f9, g\u1ecdi l\u00e0 tinh v\u00e2n.<\/p>\n\n\n\n
Tinh v\u00e2n c\u00f3 th\u1ec3 chia l\u00e0m hai lo\u1ea1i l\u1edbn. M\u1ed9t lo\u1ea1i l\u00e0 tinh v\u00e2n ngo\u1ea1i h\u00e0, m\u1ed9t lo\u1ea1i l\u00e0 tinh v\u00e2n n\u1ed9i h\u00e0. Tuy \u0111\u1ec1u g\u1ecdi l\u00e0 tinh v\u00e2n nh\u01b0ng b\u1ea3n ch\u1ea5t c\u1ee7a ch\u00fang ho\u00e0n to\u00e0n kh\u00e1c nhau. Tinh v\u00e2n ngo\u1ea1i h\u00e0 l\u00e0 nh\u1eefng tinh v\u00e2n n\u1eb1m b\u00ean ngo\u00e0i h\u1ec7 Ng\u00e2n h\u00e0, ch\u00ednh x\u00e1c h\u01a1n n\u00ean g\u1ecdi l\u00e0 h\u1ec7 sao ngo\u1ea1i h\u00e0. Nh\u00ecn ch\u00fang l\u00e0 nh\u1eefng \u0111\u1ed1m nh\u1ecf, tr\u00ean th\u1ef1c t\u1ebf gi\u1ed1ng nh\u01b0 h\u1ec7 ng\u00e2n h\u00e0 c\u1ee7a ch\u00fang ta, ch\u00fang g\u1ed3m h\u00e0ng t\u1ec9, h\u00e0ng ch\u1ee5c t\u1ec9, th\u1eadm ch\u00ed h\u00e0ng tr\u0103m t\u1ec9 ng\u00f4i sao t\u1ed5 ch\u1ee9c th\u00e0nh m\u1ed9t h\u1ec7 th\u1ed1ng h\u1eb1ng tinh kh\u1ed5ng l\u1ed3.<\/p>\n\n\n\n
Ch\u00fang c\u00e1ch ta v\u00f4 c\u00f9ng xa. Ng\u00e0y nay t\u1ed5ng s\u1ed1 tinh v\u00e2n ngo\u1ea1i h\u00e0 \u0111\u00e3 quan s\u00e1t \u0111\u01b0\u1ee3c c\u00f3 tr\u00ean 1 t\u1ec9, c\u00f3 th\u1ec3 d\u00f9ng m\u1eaft th\u01b0\u1eddng nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c th\u00ec ch\u1ec9 c\u00f3 tinh v\u00e2n Magellan to v\u00e0 nh\u1ecf v\u00e0 tinh v\u00e2n ch\u00f2m Ti\u00ean n\u1eef. Tinh v\u00e2n ch\u00f2m Ti\u00ean n\u1eef c\u00e1ch ta kho\u1ea3ng 220 v\u1ea1n n\u0103m \u00e1nh s\u00e1ng. N\u1ebfu ta \u1edf tr\u00ean m\u1ed9t h\u00e0nh tinh c\u1ee7a m\u1ed9t h\u1eb1ng tinh n\u00e0o \u0111\u00f3 c\u1ee7a ch\u00f2m sao n\u00e0y d\u00f9ng k\u00ednh vi\u1ec5n v\u1ecdng nh\u00ecn l\u00ean h\u1ec7 ng\u00e2n h\u00e0 th\u00ec h\u1ec7 Ng\u00e2n h\u00e0 c\u0169ng tr\u1edf th\u00e0nh nh\u1eefng \u0111i\u1ec3m s\u00e1ng nho nh\u1ecf m\u00e0 th\u00f4i.<\/p>\n\n\n\n
Tinh v\u00e2n v\u1edbi \u00fd ngh\u0129a ch\u00e2n ch\u00ednh n\u00ean l\u00e0 tinh v\u00e2n n\u1eb1m trong h\u1ec7 Ng\u00e2n h\u00e0. Ch\u00fang g\u1ed3m nh\u1eefng ch\u1ea5t kh\u00ed v\u00e0 b\u1ee5i c\u00f3 m\u1eadt \u0111\u1ed9 v\u00f4 c\u00f9ng lo\u00e3ng c\u1ea5u t\u1ea1o n\u00ean tinh v\u00e2n n\u1ed9i h\u00e0. Ch\u00fang l\u1ea1i c\u00f3 th\u1ec3 ph\u00e2n th\u00e0nh nh\u1eefng \u0111\u00e1m m\u00e2y t\u1ea3n m\u1ea1n v\u00e0 tinh v\u00e2n d\u1ea1ng h\u00e0nh tinh.<\/p>\n\n\n\n
H\u00ecnh d\u1ea1ng tinh v\u00e2n t\u1ea3n m\u1ea1n kh\u00f4ng quy t\u1eafc, n\u00f3i chung kh\u00f4ng c\u00f3 bi\u00ean gi\u1edbi r\u00f5 r\u1ec7t. Th\u1ec3 t\u00edch c\u1ee7a n\u00f3 tuy r\u1ea5t l\u1edbn nh\u01b0ng m\u1eadt \u0111\u1ed9 l\u1ea1i c\u1ef1c nh\u1ecf. N\u1ebfu g\u1ea7n n\u00f3 c\u00f3 m\u1ed9t h\u1eb1ng tinh r\u1ea5t s\u00e1ng ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 r\u1ea5t cao th\u00ec c\u00f3 th\u1ec3 chi\u1ebfu s\u00e1ng ho\u1eb7c k\u00edch ph\u00e1t \u0111\u00e1m tinh v\u00e2n l\u00e0m cho n\u00f3 ph\u00e1t ra \u00e1nh s\u00e1ng. C\u00f3 ng\u01b0\u1eddi cho r\u1eb1ng tinh v\u00e2n ch\u00ednh l\u00e0 “d\u1ea1ng nguy\u00ean thu\u1ef7” c\u1ee7a c\u00e1c h\u1eb1ng tinh. Trong \u0111\u00e1m tinh v\u00e2n c\u1ee7a ch\u00f2m sao L\u1ea1p h\u1ed9 n\u1ed5i ti\u1ebfng, ng\u01b0\u1eddi ta \u0111\u00e3 ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c kh\u00f4ng \u00edt c\u00e1c h\u1eb1ng tinh \u0111ang h\u00ecnh th\u00e0nh ho\u1eb7c v\u1eeba h\u00ecnh th\u00e0nh c\u00f3 nh\u1eefng h\u1eb1ng tinh m\u1edbi ra \u0111\u1eddi h\u01a1n 1000 n\u0103m.<\/p>\n\n\n\n
Tinh v\u00e2n d\u1ea1ng h\u00e0nh tinh l\u00e0 m\u1ed9t lo\u1ea1i thi\u00ean th\u1ec3 r\u1ea5t th\u00fa v\u1ecb, \u1edf gi\u1eefa l\u00e0 m\u1ed9t h\u1eb1ng tinh c\u00f3 nhi\u1ec7t \u0111\u1ed9 cao \u0111\u1ebfn h\u00e0ng v\u1ea1n oC, chung quanh l\u00e0 m\u1ed9t v\u00e0nh tr\u00f2n ph\u00e1t s\u00e1ng. \u0110\u00f3 c\u00f3 th\u1ec3 l\u00e0 t\u1eeb nhi\u1ec1u n\u0103m tr\u01b0\u1edbc trong m\u1ed9t l\u1ea7n h\u1eb1ng tinh b\u00f9ng n\u1ed5 \u0111\u00e3 ph\u00f3ng ra m\u1ed9t l\u1edbp v\u1ecf b\u1eb1ng kh\u00ed. Tinh v\u00e2n d\u1ea1ng h\u00e0nh tinh nh\u1ecf h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi tinh v\u00e2n t\u1ea3n m\u1ea1n.<\/p>\n\n\n\n
Quan s\u00e1t v\u00e0 nghi\u00ean c\u1ee9u tinh v\u00e2n trong Ng\u00e2n h\u00e0 s\u1ebd gi\u00fap ta t\u00ecm hi\u1ec3u ngu\u1ed3n g\u1ed1c v\u00e0 t\u00ecnh h\u00ecnh di\u1ec5n bi\u1ebfn c\u1ee7a c\u00e1c h\u1eb1ng tinh, do \u0111\u00f3 c\u00f4ng t\u00e1c n\u00e0y r\u1ea5t \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 khoa h\u1ecdc coi tr\u1ecdng.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: Tinh v\u00e2n; H\u1ec7 tinh ngo\u00e0i ng\u00e2n h\u00e0.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
T\u1eeb r\u1ea5t s\u1edbm con ng\u01b0\u1eddi \u0111\u00e3 d\u00f9ng k\u00ednh vi\u1ec5n v\u1ecdng ph\u00e1t hi\u1ec7n ra nh\u1eefng thi\u00ean th\u1ec3 ph\u00e1t s\u00e1ng gi\u1ed1ng nh\u01b0 m\u00e2y m\u00f9, g\u1ecdi l\u00e0 tinh v\u00e2n. Tinh v\u00e2n c\u00f3 th\u1ec3 chia l\u00e0m hai lo\u1ea1i l\u1edbn. M\u1ed9t lo\u1ea1i l\u00e0 tinh v\u00e2n ngo\u1ea1i h\u00e0, m\u1ed9t lo\u1ea1i l\u00e0 tinh v\u00e2n n\u1ed9i h\u00e0. Tuy \u0111\u1ec1u g\u1ecdi l\u00e0 tinh v\u00e2n […]<\/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-7227","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\/7227","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=7227"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7227\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=7227"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=7227"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=7227"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}