{"id":7209,"date":"2021-11-20T12:47:50","date_gmt":"2021-11-20T05:47:50","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=7209"},"modified":"2021-11-20T13:25:15","modified_gmt":"2021-11-20T06:25:15","slug":"tren-bau-troi-co-bao-nhieu-ngoi-sao","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/tren-bau-troi-co-bao-nhieu-ngoi-sao\/","title":{"rendered":"Tr\u00ean b\u1ea7u tr\u1eddi c\u00f3 bao nhi\u00eau ng\u00f4i sao?"},"content":{"rendered":"\n<p>\u0110\u00eam tr\u1eddi trong s\u00e1ng, sao nh\u1ea5p nh\u00e1y gi\u1ed1ng nh\u01b0 nh\u1eefng \u0111\u1ed1m b\u1ea1c kh\u1ea3m l\u00ean b\u1ea7u tr\u1eddi \u0111en m\u00eanh m\u00f4ng. Xem k\u1ef9 nh\u1eefng ch\u1ea5m s\u00e1ng to nh\u1ecf, m\u1eadt \u0111\u1ed9 d\u00e0y th\u01b0a kh\u00e1c nhau ng\u01b0\u1eddi ta c\u1ea3m th\u1ea5y sao tr\u00ean tr\u1eddi nhi\u1ec1u \u0111\u1ebfm kh\u00f4ng xu\u1ec3. Ch\u1eb3ng tr\u00e1ch ng\u01b0\u1eddi ta \u0111\u1eb7t ra c\u00e2u h\u00e1t: &#8220;\u0110\u1ed1 ai \u0111o \u0111\u01b0\u1ee3c tr\u1eddi cao, \u0111\u1ed1 ai \u0111\u1ebfm \u0111\u01b0\u1ee3c h\u1ebft sao tr\u00ean tr\u1eddi&#8221;.<\/p>\n\n\n\n<p>Th\u1ef1c ra c\u00e1c ng\u00f4i sao tr\u00ean tr\u1eddi m\u1eaft th\u01b0\u1eddng nh\u00ecn th\u1ea5y l\u00e0 c\u00f3 th\u1ec3 \u0111\u1ebfm \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<p>C\u00e1c nh\u00e0 thi\u00ean v\u0103n chia \u0111\u1ed9 s\u00e1ng c\u1ee7a c\u00e1c ng\u00f4i sao th\u00e0nh c\u00e1c c\u1ea5p: sao s\u00e1ng nh\u1ea5t l\u00e0 c\u1ea5p 1, ti\u1ebfp theo l\u00e0 c\u1ea5p 2, c\u1ea5p 3\u2026sao t\u1ed1i nh\u1ea5t m\u00e0 m\u1eaft th\u01b0\u1eddng c\u00f2n th\u1ea5y \u0111\u01b0\u1ee3c l\u00e0 sao c\u1ea5p 6. Th\u1ef1c ra c\u00e1c ng\u00f4i sao m\u1eaft th\u01b0\u1eddng c\u00f3 th\u1ec3 th\u1ea5y \u0111\u01b0\u1ee3c kh\u00f4ng nhi\u1ec1u \u0111\u1ebfn m\u1ee9c nh\u01b0 ta t\u01b0\u1edfng. V\u00ed d\u1ee5 sao c\u1ea5p 1 c\u00f3 t\u1ea5t c\u1ea3 20 ng\u00f4i, sao c\u1ea5p 2 c\u00f3 46 ng\u00f4i, sao c\u1ea5p 3 c\u00f3 134 ng\u00f4i, sao c\u1ea5p 4 c\u00f3 458 ng\u00f4i, sao c\u1ea5p 5 c\u00f3 1476 ng\u00f4i, sao c\u1ea5p 6 c\u00f3 4840 ng\u00f4i. T\u1ed5ng c\u1ed9ng t\u1eeb c\u1ea5p 1 \u0111\u1ebfn c\u1ea5p 6 c\u00f3 t\u1ea5t c\u1ea3 6974 ng\u00f4i.<\/p>\n\n\n\n<p>Kh\u00f4ng nh\u1eefng th\u1ebf m\u1ed9t ng\u01b0\u1eddi t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m ch\u1ec9 c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y m\u1ed9t n\u1eeda s\u1ed1 sao tr\u00ean b\u1ea7u tr\u1eddi, c\u00f2n n\u1eeda kia n\u1eb1m d\u01b0\u1edbi \u0111\u01b0\u1eddng ch\u00e2n tr\u1eddi n\u00ean ta kh\u00f4ng th\u1ea5y \u0111\u01b0\u1ee3c. Do \u0111\u00f3 b\u1ea5t c\u1ee9 th\u1eddi gian n\u00e0o s\u1ed1 sao ta c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y tr\u00ean tr\u1eddi c\u0169ng ch\u1ec9 kho\u1ea3ng 3000 ng\u00f4i.<\/p>\n\n\n\n<p>N\u1ebfu d\u00f9ng k\u00ednh vi\u1ec5n v\u1ecdng \u0111\u1ec3 quan s\u00e1t th\u00ec t\u00ecnh h\u00ecnh s\u1ebd kh\u00e1c h\u1eb3n. Cho d\u00f9 l\u00e0 k\u00ednh thi\u00ean v\u0103n nh\u1ecf nh\u1ea5t c\u0169ng c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y tr\u00ean 5 v\u1ea1n ng\u00f4i sao. Th\u00f4ng qua k\u00ednh vi\u1ec5n v\u1ecdng thi\u00ean v\u0103n hi\u1ec7n \u0111\u1ea1i s\u1ed1 ng\u00f4i sao c\u00f3 th\u1ec3 th\u1ea5y \u0111\u01b0\u1ee3c t\u1ed1i thi\u1ec3u tr\u00ean 1 t\u1ec9.<\/p>\n\n\n\n<p>Th\u1ef1c ra s\u1ed1 sao tr\u00ean tr\u1eddi kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ebf. C\u00f3 m\u1ed9t s\u1ed1 ng\u00f4i sao c\u00e1ch ta r\u1ea5t xa m\u1eb7c d\u00f9 d\u00f9ng k\u00ednh vi\u1ec5n v\u1ecdng l\u1edbn nh\u1ea5t c\u0169ng kh\u00f4ng th\u1ec3 nh\u00ecn th\u1ea5y d\u1ea5u v\u1ebft c\u1ee7a n\u00f3. C\u00f3 nh\u1eefng ng\u00f4i sao xa \u0111\u1ebfn m\u1ee9c k\u00ednh thi\u00ean v\u0103n c\u1ee1 l\u1edbn c\u0169ng ch\u1ec9 nh\u00ecn th\u1ea5y l\u00e0 m\u1ed9t \u0111\u1ed1m s\u00e1ng m\u01a1 h\u1ed3, nh\u01b0ng th\u1ef1c ra b\u1ea3n th\u00e2n n\u00f3 bao g\u1ed3m h\u00e0ng tr\u0103m t\u1ec9 ng\u00f4i sao.<\/p>\n\n\n\n<p>Trong v\u0169 tr\u1ee5 cu\u1ed1i c\u00f9ng c\u00f3 bao nhi\u00eau h\u1ec7 sao kh\u1ed5ng l\u1ed3? Trong v\u0169 tr\u1ee5 c\u00f2n c\u00f3 nh\u1eefng h\u1ec7 thi\u00ean th\u1ec3 n\u00e0o m\u00e0 con ng\u01b0\u1eddi ch\u01b0a ph\u00e1t hi\u1ec7n? Cho \u0111\u1ebfn nay \u0111\u00f3 v\u1eabn c\u00f2n l\u00e0 m\u1ed9t c\u00e2u h\u1ecfi \u0111\u1eb7t ra cho c\u00e1c nh\u00e0 thi\u00ean v\u0103n m\u00e0 ch\u01b0a ai gi\u1ea3i \u0111\u00e1p \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<p>T\u1eeb kho\u00e1: C\u00e1c ng\u00f4i sao; C\u1ea5p sao.<\/p>\n\n\n\n<p><\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>\u0110\u00eam tr\u1eddi trong s\u00e1ng, sao nh\u1ea5p nh\u00e1y gi\u1ed1ng nh\u01b0 nh\u1eefng \u0111\u1ed1m b\u1ea1c kh\u1ea3m l\u00ean b\u1ea7u tr\u1eddi \u0111en m\u00eanh m\u00f4ng. Xem k\u1ef9 nh\u1eefng ch\u1ea5m s\u00e1ng to nh\u1ecf, m\u1eadt \u0111\u1ed9 d\u00e0y th\u01b0a kh\u00e1c nhau ng\u01b0\u1eddi ta c\u1ea3m th\u1ea5y sao tr\u00ean tr\u1eddi nhi\u1ec1u \u0111\u1ebfm kh\u00f4ng xu\u1ec3. Ch\u1eb3ng tr\u00e1ch ng\u01b0\u1eddi ta \u0111\u1eb7t ra c\u00e2u h\u00e1t: &#8220;\u0110\u1ed1 ai \u0111o \u0111\u01b0\u1ee3c [&hellip;]<\/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-7209","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\/7209","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=7209"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7209\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=7209"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=7209"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=7209"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}