\u201cH\u1eb1ng tinh\u201d l\u00e0 c\u00e1c sao t\u1ef1 ph\u00e1t s\u00e1ng v\u00e0 ph\u00e1t nhi\u1ec7t, ng\u01b0\u1ee3c l\u1ea1i \u201ch\u00e0nh tinh\u201d kh\u00f4ng h\u1ec1 c\u00f3 kh\u1ea3 n\u0103ng n\u00e0y. H\u1ec7 M\u1eb7t tr\u1eddi do \u0111\u00f3 bao g\u1ed3m m\u1ed9t h\u1eb1ng tinh l\u00e0 M\u1eb7t tr\u1eddi v\u00e0 9 h\u00e0nh tinh kh\u00e1c l\u00e0 sao Thu\u1ef7, Tr\u00e1i \u0111\u1ea5t, sao Kim, sao Ho\u1ea3, sao M\u1ed9c, sao Th\u1ed5, sao Thi\u00ean V\u01b0\u01a1ng, sao H\u1ea3i V\u01b0\u01a1ng v\u00e0 sao Di\u00eam V\u01b0\u01a1ng.<\/p>\n\n\n\n
C\u00e1c h\u1eb1ng tinh trong v\u0169 tr\u1ee5 c\u00f3 nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t t\u1eeb m\u1ea5y ngh\u00ecn t\u1edbi m\u1ea5y v\u1ea1n \u0111\u1ed9, v\u00ec v\u1eady ch\u00fang ph\u00e1t ra c\u00e1c lo\u1ea1i b\u1ee9c x\u1ea1 (k\u1ec3 c\u1ea3 \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y). M\u1eb7t tr\u1eddi l\u00e0 h\u1eb1ng tinh g\u1ea9n ch\u00fang ta nh\u1ea5t. M\u1ed7i gi\u00e2y tr\u00ean b\u1ec1 m\u1eb7t M\u1eb7t tr\u1eddi ph\u00e1t ra n\u0103ng l\u01b0\u1ee3ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi m\u1ed9t m\u00e1y ph\u00e1t \u0111i\u1ec7n c\u00f3 c\u00f4ng su\u1ea5t 382 x 10 m\u0169 23 W Nguy\u00ean nh\u00e2nkhi\u1ebfn h\u1eb1ng tinh ph\u00e1t s\u00e1ng<\/p>\n\n\n\n
\u0110\u00e2y l\u00e0 \u0111i\u1ec1u b\u00ed \u1ea9n \u0111\u1ed1i v\u1edbi ng\u00e0nh thi\u00ean v\u0103n h\u1ecdc su\u1ed1t nhi\u1ec1u th\u1ebf k\u1ef7 qua. M\u00e3i cho \u0111\u1ebfn \u0111\u1ea9u th\u1ebf k\u1ef7 20, nh\u00e0 v\u1eadt l\u00fd Einsteind\u1ef1a v\u00e0o thuy\u1ebft t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u00e3 \u0111\u01b0a ra m\u1ed9t c\u00f4ng th\u1ee9c c\u00f3 li\u00ean quan gi\u1eefa kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 n\u0103ng l\u01b0\u1ee3ng c\u1ee7a v\u1eadt th\u1ec3, nh\u1edd \u0111\u00f3 m\u00e0 c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u m\u1edbi c\u00f3 \u0111\u00e1p \u00e1n cho c\u00e2u h\u1ecfi h\u00f3c b\u00faa n\u00e0y.<\/p>\n\n\n\n
Ho\u00e1 ra trong l\u00f2ng c\u00e1c h\u1eb1ng tinh, nhi\u1ec7t \u0111\u1ed9 cao t\u1edbi h\u01a1n 10 tri\u1ec7u \u0111\u1ed9 C khi\u1ebfn c\u00e1c v\u1eadt ch\u1ea5t trong \u0111\u00f3 t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau, x\u1ea3y ra ph\u1ea3n \u1ee9ng nhi\u1ec7t h\u1ea1ch. H\u1ea1t nh\u00e2n nguy\u00ean t\u1eed hydrobi\u1ebfn th\u00e0nh h\u1ea1t nh\u00e2n nguy\u00ean t\u1eed heli v\u00e0 s\u1ea3n sinh ra m\u1ed9t ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng kh\u1ed5ng l\u1ed3. N\u0103ng l\u01b0\u1ee3ng n\u00e0y truy\u1ec1n t\u1eeb t\u00e2m h\u1eb1ng tinh ra ngo\u00e0i b\u1ec1 m\u1eb7t v\u00e0 v\u00e0o kh\u00f4ng gian b\u1eb1ng c\u00e1ch b\u1ee9c x\u1ea1. C\u00e1c b\u1ee9c x\u1ea1 n\u00e0y n\u1eb1m trong ph\u1ed5 t\u1eeb \u00e1nh s\u00e1ng h\u1ed3ng ngo\u1ea1i, \u0111\u1ebfn \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y v\u00e0 s\u00f3ng c\u1ef1c ng\u1eafn. C\u1ee9 nh\u01b0 v\u1eady h\u1eb1ng tinh duy tr\u00ec ph\u00e1t s\u00e1ng kh\u00f4ng ng\u1eebng.<\/p>\n\n\n\n
Nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t c\u00e1c h\u00e0nh tinh l\u1ea1i th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi b\u1ec1 m\u1eb7t c\u00e1c h\u1eb1ng tinh, v\u00ec th\u1ebf c\u00e1c h\u00e0nh tinh kh\u00f4ng t\u1ef1 ph\u00e1t s\u00e1ng \u0111\u01b0\u1ee3c. Kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a c\u00e1c h\u00e0nh tinh c\u0169ng nh\u1ecf h\u01a1n nhi\u1ec1u so v\u1edbi c\u00e1c h\u1eb1ng tinh (sao M\u1ed9c c\u00f3 th\u1ec3 t\u00edch to nh\u1ea5t trong h\u1ec7 M\u1eb7t tr\u1eddi c\u0169ng ch\u01b0a b\u1eb1ng 1\/1.000 th\u1ec3 t\u00edch M\u1eb7t tr\u1eddi). Cho d\u00f9 c\u00e1c h\u00e0nh tinh t\u1ef1 s\u1ea3n sinh ra n\u0103ng l\u01b0\u1ee3ng do s\u1ee9c h\u00fat v\u00e0 co gi\u00e3n, nh\u01b0ng n\u0103ng l\u01b0\u1ee3ng \u0111\u00f3 kh\u00f4ng th\u1ec3 nung n\u00f3ng h\u00e0nh tinh t\u1edbi m\u1ee9c x\u1ea3y ra ph\u1ea3n \u1ee9ng nhi\u1ec7t h\u1ea1ch.<\/p>\n","protected":false},"excerpt":{"rendered":"
\u201cH\u1eb1ng tinh\u201d l\u00e0 c\u00e1c sao t\u1ef1 ph\u00e1t s\u00e1ng v\u00e0 ph\u00e1t nhi\u1ec7t, ng\u01b0\u1ee3c l\u1ea1i \u201ch\u00e0nh tinh\u201d kh\u00f4ng h\u1ec1 c\u00f3 kh\u1ea3 n\u0103ng n\u00e0y. H\u1ec7 M\u1eb7t tr\u1eddi do \u0111\u00f3 bao g\u1ed3m m\u1ed9t h\u1eb1ng tinh l\u00e0 M\u1eb7t tr\u1eddi v\u00e0 9 h\u00e0nh tinh kh\u00e1c l\u00e0 sao Thu\u1ef7, Tr\u00e1i \u0111\u1ea5t, sao Kim, sao Ho\u1ea3, sao M\u1ed9c, sao Th\u1ed5, sao Thi\u00ean V\u01b0\u01a1ng, […]<\/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":[1,15],"tags":[],"class_list":["post-11085","post","type-post","status-publish","format-standard","hentry","category-general","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/11085","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=11085"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/11085\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=11085"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=11085"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=11085"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}