T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 10 – Arkady Leokum<\/p>\n\n\n\n
Tr\u01b0\u1edbc h\u1ebft, tinh t\u00fa l\u00e0 g\u00ec? M\u1ed9t ng\u00f4i sao l\u00e0 m\u1ed9t tinh v\u00e2n n\u00f3ng b\u1ecfng, nh\u01b0 m\u1ed9t qu\u1ea3 c\u1ea7u kh\u1ed5ng l\u1ed3 ph\u00e1t ra \u00e1nh s\u00e1ng. C\u00e1c ng\u00f4i sao ch\u1ee9a r\u1ea5t nhi\u1ec1u hydro, \u0111\u00f3 l\u00e0 ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng ch\u00ednh. C\u00e1c ng\u00f4i sao c\u0169ng ch\u1ee9a nhi\u1ec1u th\u00e0nh ph\u1ea7n h\u00f3a ch\u1ea5t kh\u00e1c nhau, nh\u01b0 kh\u00ed helium, nit\u01a1, oxy, s\u1eaft, k\u1ec1n v\u00e0 k\u1ebdm. T\u1ea5t c\u1ea3 c\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y c\u1ee7a m\u1ed9t ng\u00f4i sao \u0111\u1ec1u \u1edf th\u1ec3 kh\u00ed.<\/p>\n\n\n\n
C\u00e1c tinh t\u00fa hi\u1ec7n h\u1eefu trong \u0111\u00e1m m\u00e2y b\u1ee5i v\u00e0 kh\u00ed kh\u1ed5ng l\u1ed3, x\u00ea d\u1ecbch trong kh\u00f4ng gian. M\u1ed9t ng\u00f4i sao b\u1eaft \u0111\u1ea7u h\u00ecnh th\u00e0nh khi m\u1ed9t \u0111\u00e1m b\u1ee5i kh\u00ed kh\u1ed5ng l\u1ed3 quay v\u00f2ng nh\u01b0 m\u1ed9t \u0111\u00e1m m\u00e2y. \u0110\u00e1m b\u1ee5i quay v\u00f2ng n\u00e0y c\u00e0ng ng\u00e0y c\u00e0ng t\u1eadp trung th\u00eam nh\u1eefng \u0111\u00e1m b\u1ee5i kh\u00e1c v\u00e0 l\u1edbn d\u1ea7n, s\u1ee9c ly t\u00e2m c\u00e0ng m\u1ea1nh h\u01a1n, \u0111\u00e1m b\u1ee5i t\u1ea1o th\u00e0nh m\u1ed9t qu\u1ea3 c\u1ea7u kh\u00ed kh\u1ed5ng l\u1ed3.<\/p>\n\n\n\n
Khi qu\u1ea3 c\u1ea7u c\u00e0ng l\u1edbn, \u0111\u00e1m b\u1ee5i n\u00e0y ch\u1ed3ng ch\u1ea5t tr\u00ean \u0111\u00e1m b\u1ee5i kh\u00e1c v\u00e0 n\u00e9n xu\u1ed1ng, \u1edf trung t\u00e2m qu\u1ea3 c\u1ea7u, m\u1ed9t \u00e1p l\u1ef1c \u0111\u01b0\u1ee3c t\u1ea1o ra. Cu\u1ed1i c\u00f9ng \u00e1p l\u1ef1c m\u1ea1nh \u0111\u1ee7 \u0111\u1ec3 n\u00e2ng nhi\u1ec7t \u0111\u1ed9 c\u1ee7a kh\u00ed l\u00ean v\u00e0 kh\u00ed b\u1eaft \u0111\u1ea7u ch\u00e1y. Khi \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 \u1edf trung t\u00e2m qu\u1ea3 c\u1ea7u l\u00ean qu\u00e1 cao, ph\u1ea3n \u1ee9ng nguy\u00ean t\u1eed b\u1eaft \u0111\u1ea7u x\u1ea3y ra. \u0110\u00e1m kh\u00ed n\u00e0y tr\u1edf th\u00e0nh m\u1ed9t ng\u00f4i sao. T\u1ea5t c\u1ea3 vi\u1ec7c n\u00e0y ph\u1ea3i m\u1ea5t bao l\u00e2u? C\u00f3 l\u1ebd v\u00e0i tri\u1ec7u n\u0103m.<\/p>\n\n\n\n
N\u1ebfu m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng v\u1eadt ch\u1ea5t l\u1edbn t\u1ee5 t\u1eadp c\u00f9ng nhau \u0111\u1ec3 l\u00e0m th\u00e0nh m\u1ed9t ng\u00f4i sao, ng\u00f4i sao s\u1ebd r\u1ea5t l\u1edbn, ph\u00e1t quang v\u00e0 n\u00f3ng \u0111\u1ecf. V\u00ec n\u00f3ng, ng\u00f4i sao s\u1ebd \u0111\u1ed1t h\u1ebft nhi\u00ean li\u1ec7u h\u1ea1t nh\u00e2n c\u1ee7a n\u00f3 trong su\u1ed1t 100 tri\u1ec7u n\u0103m. N\u1ebfu m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng v\u1eadt ch\u1ea5t nh\u1ecf h\u01a1n t\u1ee5 t\u1eadp c\u00f9ng nhau \u0111\u1ec3 l\u00e0m th\u00e0nh m\u1ed9t ng\u00f4i sao, ng\u00f4i sao n\u00e0y s\u1ebd nh\u1ecf, m\u1edd v\u00e0 l\u1ea1nh. N\u00f3 s\u1ebd \u0111\u1ed1t ch\u00e1y h\u1ebft nhi\u00ean li\u1ec7u c\u1ee7a n\u00f3 m\u1ed9t c\u00e1ch ch\u1eadm r\u00e3i v\u00e0 s\u1ebd th\u1eafp s\u00e1ng h\u00e0ng ng\u00e0n tri\u1ec7u n\u0103m.<\/p>\n\n\n\n
M\u1eb7t tr\u1eddi l\u00e0 m\u1ed9t ng\u00f4i sao, c\u1ee1 trung b\u00ecnh, l\u1edbn h\u01a1n tr\u00e1i \u0111\u1ea5t kho\u1ea3ng 1 tri\u1ec7u 300 ng\u00e0n l\u1ea7n.<\/p>\n","protected":false},"excerpt":{"rendered":"
T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 10 – Arkady Leokum Tr\u01b0\u1edbc h\u1ebft, tinh t\u00fa l\u00e0 g\u00ec? M\u1ed9t ng\u00f4i sao l\u00e0 m\u1ed9t tinh v\u00e2n n\u00f3ng b\u1ecfng, nh\u01b0 m\u1ed9t qu\u1ea3 c\u1ea7u kh\u1ed5ng l\u1ed3 ph\u00e1t ra \u00e1nh s\u00e1ng. C\u00e1c ng\u00f4i sao ch\u1ee9a r\u1ea5t nhi\u1ec1u hydro, \u0111\u00f3 l\u00e0 ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng ch\u00ednh. 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],"tags":[],"class_list":["post-15894","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15894","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=15894"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15894\/revisions"}],"predecessor-version":[{"id":15895,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15894\/revisions\/15895"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=15894"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=15894"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=15894"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}