{"id":7223,"date":"2021-11-20T12:49:29","date_gmt":"2021-11-20T05:49:29","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=7223"},"modified":"2021-11-20T13:25:14","modified_gmt":"2021-11-20T06:25:14","slug":"sao-chinh-sao-do-khong-lo-sao-bach-oai-sao-notron-lo-den","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/sao-chinh-sao-do-khong-lo-sao-bach-oai-sao-notron-lo-den\/","title":{"rendered":"Sao ch\u00ednh; Sao \u0111\u1ed5 kh\u1ed5ng l\u1ed3; Sao B\u1ea1ch o\u1ea3i; Sao n\u01a1tron; L\u1ed7 \u0111en."},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Ng\u00f4i h\u1eb1ng tinh n\u00e0o g\u1ea7n ta nh\u1ea5t?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00eam tr\u1eddi trong, c\u00e1c ng\u00f4i sao d\u00e0y \u0111\u1eb7c gi\u1ed1ng nh\u01b0 nh\u1eefng \u0111\u1ed1m b\u1ea1c kh\u1ea3m l\u00ean b\u1ea7u tr\u1eddi. Nh\u1eefng \u0111\u1ed1m b\u1ea1c n\u00e0y \u0111\u1ec1u l\u00e0 c\u00e1c h\u1eb1ng tinh c\u00e1ch ta v\u00f4 c\u00f9ng xa v\u1edbi nh\u1eefng kho\u1ea3ng c\u00e1ch kh\u00e1c nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1eady trong th\u1ebf gi\u1edbi h\u1eb1ng tinh bao la v\u00f4 bi\u00ean n\u00e0y, ng\u00f4i h\u1eb1ng tinh n\u00e0o g\u1ea7n ta nh\u1ea5t?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1eb1ng tinh g\u1ea7n ta nh\u1ea5t \u0111\u01b0\u01a1ng nhi\u00ean l\u00e0 M\u1eb7t Tr\u1eddi. M\u1eb7t Tr\u1eddi c\u00e1ch ta 150 tri\u1ec7u km, tia s\u00e1ng ph\u00e1t ra t\u1eeb M\u1eb7t Tr\u1eddi ch\u1ec9 c\u1ea7n 449 gi\u00e2y th\u00ec \u0111i \u0111\u1ebfn Tr\u00e1i \u0110\u1ea5t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ngo\u00e0i M\u1eb7t Tr\u1eddi ra h\u1eb1ng tinh g\u1ea7n ta v\u00e0 d\u00f9ng m\u1eaft th\u01b0\u1eddng c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y \u0111\u00f3 l\u00e0 ng\u00f4i sao \u03b1 s\u00e1ng nh\u1ea5t trong ch\u00f2m sao Nh\u00e2n M\u00e3 (ng\u1ef1a n\u1eeda h\u00ecnh ng\u01b0\u1eddi) &#8211; sao &#8220;Nam m\u00f4n th\u1ee9 2&#8221;, c\u00e1ch ta 4,1 v\u1ea1n t\u1ec9 km, xa h\u01a1n 27 v\u1ea1n l\u1ea7n so v\u1edbi M\u1eb7t Tr\u1eddi. Tia s\u00e1ng ph\u00e1t ra t\u1eeb &#8220;Nam m\u00f4n th\u1ee9 2&#8221; ph\u1ea3i tr\u1ea3i qua 4 n\u0103m 3 th\u00e1ng m\u1edbi \u0111\u1ebfn \u0111\u01b0\u1ee3c Tr\u00e1i \u0110\u1ea5t ch\u00fang ta.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1ef1c ra trong b\u1ea7u tr\u1eddi c\u00f2n c\u00f3 m\u1ed9t h\u1eb1ng tinh g\u1ea7n ta h\u01a1n so v\u1edbi &#8220;Nam m\u00f4n th\u1ee9 2&#8221; thu\u1ed9c ch\u00f2m sao Nh\u00e2n M\u00e3, c\u1ef1 ly c\u1ee7a n\u00f3 \u0111\u1ebfn Tr\u00e1i \u0110\u1ea5t kho\u1ea3ng 4 v\u1ea1n t\u1ec9 km, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 4,22 n\u0103m \u00e1nh s\u00e1ng. Ngo\u00e0i M\u1eb7t Tr\u1eddi ra n\u00f3 l\u00e0 h\u1eb1ng tinh g\u1ea7n Tr\u00e1i \u0110\u1ea5t ta nh\u1ea5t, c\u00e1c nh\u00e0 thi\u00ean v\u0103n \u0111\u1eb7t cho n\u00f3 m\u1ed9t c\u00e1i t\u00ean r\u1ea5t h\u00ecnh t\u01b0\u1ee3ng, l\u00e0 sao &#8220;L\u00e1ng gi\u1ec1ng&#8221; (c\u00f2n g\u1ecdi l\u00e0 C\u1eadn Tinh). Sao l\u00e1ng gi\u1ec1ng g\u1ea7n k\u1ec1 &#8220;Nam m\u00f4n th\u1ee9 2&#8221; v\u00e0 c\u00f9ng quay quanh nhau. Nguy\u00ean &#8220;Nam m\u00f4n th\u1ee9 2&#8221; l\u00e0 m\u1ed9t sao song tinh. Sao l\u00e1ng gi\u1ec1ng ch\u00ednh l\u00e0 m\u1ed9t ng\u00f4i sao c\u1ee7a song tinh &#8220;Nam m\u00f4n th\u1ee9 2&#8221;. Nh\u01b0ng \u0111\u1ed9 s\u00e1ng c\u1ee7a sao l\u00e1ng gi\u1ec1ng qu\u00e1 t\u1ed1i, c\u1ea5p sao nh\u00ecn th\u1ea5y l\u00e0 c\u1ea5p 11, cho n\u00ean ta nh\u00ecn m\u1eaft th\u01b0\u1eddng kh\u00f4ng th\u1ec3 th\u1ea5y \u0111\u01b0\u1ee3c m\u00e0 ch\u1ec9 nh\u00ecn th\u1ea5y song tinh &#8220;Nam m\u00f4n th\u1ee9 2&#8221;.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1eeb kho\u00e1: H\u1eb1ng tinh; Sao l\u00e1ng gi\u1ec1ng; Nam<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>Ng\u00f4i h\u1eb1ng tinh n\u00e0o g\u1ea7n ta nh\u1ea5t? \u0110\u00eam tr\u1eddi trong, c\u00e1c ng\u00f4i sao d\u00e0y \u0111\u1eb7c gi\u1ed1ng nh\u01b0 nh\u1eefng \u0111\u1ed1m b\u1ea1c kh\u1ea3m l\u00ean b\u1ea7u tr\u1eddi. Nh\u1eefng \u0111\u1ed1m b\u1ea1c n\u00e0y \u0111\u1ec1u l\u00e0 c\u00e1c h\u1eb1ng tinh c\u00e1ch ta v\u00f4 c\u00f9ng xa v\u1edbi nh\u1eefng kho\u1ea3ng c\u00e1ch kh\u00e1c nhau. V\u1eady trong th\u1ebf gi\u1edbi h\u1eb1ng tinh bao la v\u00f4 bi\u00ean n\u00e0y, [&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-7223","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\/7223","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=7223"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7223\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=7223"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=7223"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=7223"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}