Ch\u1eafc b\u1ea1n s\u1ebd ngh\u0129 r\u1eb1ng \u0111\u00f3 ch\u1eb3ng qua l\u00e0 t\u00ean c\u1ee7a m\u1ed9t ng\u00f4i sao n\u00e0o \u0111\u00f3. Th\u1ef1c ra sao l\u00f9n tr\u1eafng kh\u00f4ng ph\u1ea3i l\u00e0 t\u00ean c\u1ee7a m\u1ed9t ng\u00f4i sao m\u00e0 t\u00ean g\u1ecdi c\u1ee7a m\u1ed9t lo\u1ea1i sao. Gi\u1ed1ng nh\u01b0 ta trong cu\u1ed9c \u0111\u1eddi \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c giai \u0111o\u1ea1n thi\u1ebfu ni\u00ean, trung ni\u00ean, tu\u1ed5i gi\u00e0, c\u00e1c nh\u00e0 thi\u00ean v\u0103n c\u0169ng chia cu\u1ed9c \u0111\u1eddi c\u1ee7a c\u00e1c h\u1eb1ng tinh th\u00e0nh th\u1eddi k\u1ef3 \u0111\u1ea7u, th\u1eddi k\u1ef3 gi\u1eefa v\u00e0 th\u1eddi k\u1ef3 cu\u1ed1i. sao l\u00f9n tr\u1eafng thu\u1ed9c v\u1ec1 lo\u1ea1i sao \u1edf giai \u0111o\u1ea1n cu\u1ed1i.<\/p>\n\n\n\n
\u0110\u1eebng cho sao l\u00f9n tr\u1eafng \u0111\u00e3 v\u00e0o tu\u1ed5i gi\u00e0 l\u00e0 s\u1eafp k\u1ebft th\u00fac. Tuy tu\u1ed5i hai ng\u00f4i Sao l\u00f9n tr\u1eafng gi\u1ed1ng nhau, nh\u01b0ng ch\u00fang c\u00f3 th\u1ec3 ch\u00eanh nhau m\u1ea5y tr\u0103m tri\u1ec7u n\u0103m, \u0111\u00f3 l\u00e0 v\u00ec s\u1ef1 ch\u00eanh l\u1ec7ch d\u00e0i ng\u1eafn c\u1ee7a tu\u1ed5i th\u1ecd h\u1eb1ng tinh g\u00e2y n\u00ean. V\u00ed d\u1ee5 n\u00f3i tu\u1ed5i th\u1ecd c\u1ee7a h\u1eb1ng tinh l\u00e0 tr\u00ean m\u1ea5y t\u1ec9 n\u0103m, c\u00f2n c\u00f3 nh\u1eefng h\u1eb1ng tinh ch\u1ec9 t\u1ed3n t\u1ea1i m\u1ea5y ch\u1ee5c tri\u1ec7u n\u0103m, do \u0111\u00f3 hai h\u1eb1ng tinh c\u00f9ng c\u00f3 tu\u1ed5i 30 tri\u1ec7u n\u0103m, nh\u01b0ng tu\u1ed5i th\u1ecd c\u1ee7a m\u1ed9t h\u1eb1ng tinh l\u00e0 m\u1ea5y t\u1ec9 n\u0103m cho n\u00ean n\u00f3 c\u00f2n t\u01b0\u01a1ng \u0111\u1ed1i tr\u1ebb, c\u00f2n \u0111\u1ed1i v\u1edbi h\u1eb1ng tinh tu\u1ed5i th\u1ecd ch\u1ec9 m\u1ea5y ch\u1ee5c tri\u1ec7u n\u0103m, n\u00f3 \u0111\u00e3 l\u00e0 m\u1ed9t h\u1eb1ng tinh gi\u00e0, r\u01a1i v\u00e0o th\u1eddi k\u1ef3 “s\u1eafp ch\u1ebft”.<\/p>\n\n\n\n
Tu\u1ed5i t\u00e1c kh\u00f4ng \u0111\u1ee7 l\u00e0m ti\u00eau chu\u1ea9n \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 sao l\u00f9n tr\u1eafng, v\u1eady c\u0103n c\u1ee9 v\u00e0o c\u00e1i g\u00ec \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh giai \u0111o\u1ea1n c\u1ee7a m\u1ed9t sao l\u00f9n tr\u1eafng?<\/p>\n\n\n\n
Hai ch\u1eef “tr\u1eafng” v\u00e0 “l\u00f9n” \u0111\u00e3 mi\u00eau t\u1ea3 r\u1ea5t r\u00f5 lo\u1ea1i h\u1eb1ng tinh n\u00e0y. Tr\u1eafng ch\u1ee9ng t\u1ecf nhi\u1ec7t \u0111\u1ed9 c\u1ee7a n\u00f3 cao.<\/p>\n\n\n\n
Nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t M\u1eb7t Tr\u1eddi \u01b0\u1edbc kho\u1ea3ng 6000 \u00b0C, c\u00f2n nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t c\u1ee7a sao l\u00f9n tr\u1eafng cao h\u01a1n M\u1eb7t Tr\u1eddi r\u1ea5t nhi\u1ec1u, \u01b0\u1edbc kho\u1ea3ng 1 v\u1ea1n 0C, cho n\u00ean n\u00f3 ph\u00e1t ra \u00e1nh s\u00e1ng m\u00e0u tr\u1eafng. L\u00f9n l\u00e0 ch\u1ec9 h\u1eb1ng tinh \u0111\u00f3 nh\u1ecf.<\/p>\n\n\n\n
N\u00f3i chung th\u1ec3 t\u00edch c\u1ee7a sao l\u00f9n tr\u1eafng g\u1ea7n nh\u01b0 Tr\u00e1i \u0110\u1ea5t, ch\u01b0a \u0111\u1ebfn m\u1ed9t ph\u1ea7n tri\u1ec7u c\u1ee7a th\u1ec3 t\u00edch M\u1eb7t Tr\u1eddi. Nh\u1eefng sao l\u00f9n tr\u1eafng nh\u1ecf h\u01a1n, c\u00f3 ng\u00f4i ch\u1ec9 b\u1eb1ng 1\/10 tri\u1ec7u M\u1eb7t Tr\u1eddi, nh\u01b0ng kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a n\u00f3 l\u1ea1i t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi M\u1eb7t Tr\u1eddi.<\/p>\n\n\n\n
M\u00f9a \u0111\u00f4ng, nh\u00ecn l\u00ean ph\u00eda \u0111\u00f4ng nam b\u1ea7u tr\u1eddi ta c\u00f3 th\u1ec3 th\u1ea5y m\u1ed9t h\u1eb1ng tinh s\u00e1ng nh\u1ea5t, g\u1ecdi l\u00e0 sao Thi\u00ean Lang. B\u00ean c\u1ea1nh n\u00f3 c\u00f3 m\u1ed9t ng\u00f4i sao nh\u1ecf m\u1eaft th\u01b0\u1eddng kh\u00f4ng th\u1ea5y \u0111\u01b0\u1ee3c quay quanh n\u00f3, ng\u00f4i sao n\u00e0y g\u1ecdi l\u00e0 B\u1ea1n sao Thi\u00ean Lang. N\u00f3 l\u00e0 sao l\u00f9n tr\u1eafng \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n l\u1ea7n \u0111\u1ea7u ti\u00ean v\u00e0o n\u0103m 1862. Tuy n\u00f3 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi Tr\u00e1i \u0110\u1ea5t, nh\u01b0ng m\u1eadt \u0111\u1ed9 l\u1edbn kinh ng\u01b0\u1eddi, m\u1ed9t m\u1ea9u b\u1eb1ng h\u1ea1t \u0111\u1eadu c\u1ee7a n\u00f3 \u0111\u1ee7 n\u1eb7ng h\u01a1n 1 kg.<\/p>\n\n\n\n
Hi\u1ec7n nay nh\u1eefng sao l\u00f9n tr\u1eafng nh\u1ecf, nh\u01b0ng kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn \u0111\u00e3 ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c h\u01a1n 1000 ng\u00f4i. Trong h\u1ec7 Ng\u00e2n h\u00e0 c\u1ee7a ta s\u1ed1 sao l\u00f9n tr\u1eafng kh\u00f4ng ph\u1ea3i ch\u1ec9 c\u00f3 th\u1ebf, ch\u1eb3ng qua v\u00ec n\u00f3 r\u1ea5t nh\u1ecf n\u00ean kh\u00f3 ph\u00e1t hi\u1ec7n m\u00e0 th\u00f4i.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: Sao l\u00f9n tr\u1eafng; Sao Thi\u00ean Lang.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Ch\u1eafc b\u1ea1n s\u1ebd ngh\u0129 r\u1eb1ng \u0111\u00f3 ch\u1eb3ng qua l\u00e0 t\u00ean c\u1ee7a m\u1ed9t ng\u00f4i sao n\u00e0o \u0111\u00f3. Th\u1ef1c ra sao l\u00f9n tr\u1eafng kh\u00f4ng ph\u1ea3i l\u00e0 t\u00ean c\u1ee7a m\u1ed9t ng\u00f4i sao m\u00e0 t\u00ean g\u1ecdi c\u1ee7a m\u1ed9t lo\u1ea1i sao. Gi\u1ed1ng nh\u01b0 ta trong cu\u1ed9c \u0111\u1eddi \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c giai \u0111o\u1ea1n thi\u1ebfu ni\u00ean, trung ni\u00ean, tu\u1ed5i gi\u00e0, c\u00e1c […]<\/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-7237","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\/7237","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=7237"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7237\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=7237"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=7237"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=7237"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}