{"id":17166,"date":"2025-09-25T01:10:07","date_gmt":"2025-09-24T18:10:07","guid":{"rendered":"https:\/\/nopphatnguoi.vn\/blog\/sao-thu-ba-lam-nguoi-mai-moi-bien-doi-cap-sao-doi\/"},"modified":"2025-09-25T01:10:12","modified_gmt":"2025-09-24T18:10:12","slug":"sao-thu-ba-lam-nguoi-mai-moi-bien-doi-cap-sao-doi","status":"publish","type":"post","link":"https:\/\/nopphatnguoi.vn\/blog\/sao-thu-ba-lam-nguoi-mai-moi-bien-doi-cap-sao-doi\/","title":{"rendered":"Sao th\u1ee9 ba l\u00e0m &#8216;ng\u01b0\u1eddi mai m\u1ed1i&#8217; bi\u1ebfn \u0111\u1ed5i c\u1eb7p sao \u0111\u00f4i"},"content":{"rendered":"<div>\n<p>M&#7897;t nghi&ecirc;n c&#7913;u g&#7847;n &#273;&acirc;y c&#7911;a Vi&#7879;n C&ocirc;ng ngh&#7879; California (M&#7929;) &#273;&atilde; ti&#7871;t l&#7897; m&#7897;t kh&iacute;a c&#7841;nh m&#7899;i v&#7873; vai tr&ograve; c&#7911;a ng&ocirc;i sao th&#7913; ba trong v&#7909; n&#7893; si&ecirc;u t&acirc;n tinh. Trong l&#297;nh v&#7921;c thi&ecirc;n v&#259;n h&#7885;c, h&igrave;nh &#7843;nh c&#7911;a sao l&ugrave;n tr&#7855;ng, hay c&ograve;n g&#7885;i l&agrave; nh&#7919;ng &#8216;ma c&agrave; r&#7891;ng v&#361; tr&#7909;&#8217;, &#273;&atilde; tr&#7903; n&ecirc;n quen thu&#7897;c. Ch&uacute;ng h&uacute;t v&#7853;t ch&#7845;t t&#7915; c&aacute;c ng&ocirc;i sao &#273;&#7891;ng h&agrave;nh g&#7847;n k&#7873; v&agrave; qu&aacute; tr&igrave;nh n&agrave;y th&#432;&#7901;ng k&#7871;t th&uacute;c b&#7857;ng m&#7897;t v&#7909; n&#7893; si&ecirc;u t&acirc;n tinh h&#7911;y di&#7879;t c&#7843; hai thi&ecirc;n th&#7875;.<\/p>\n<figure><img decoding=\"async\" src=\"https:\/\/media.tripmap.vn\/blog-npn\/2025\/09\/sao-thu-ba-lam-nguoi-mai-moi-bien-doi-cap-sao-doi.webp\" alt=\"H&igrave;nh minh h&#7885;a cho th&#7845;y s&#7913; m&#7879;nh Gaia c&#7911;a ESA &#273;ang quan s&aacute;t D&#7843;i Ng&acirc;n h&agrave; (&#7842;nh: ESA).\" width=\"100%\"><figcaption>H&igrave;nh minh h&#7885;a cho th&#7845;y s&#7913; m&#7879;nh Gaia c&#7911;a ESA &#273;ang quan s&aacute;t D&#7843;i Ng&acirc;n h&agrave; (&#7842;nh: ESA).<\/figcaption><\/figure>\n<p>Tuy nhi&ecirc;n, s&#7921; t&#7891;n t&#7841;i c&#7911;a m&#7897;t ng&ocirc;i sao th&#7913; ba &#273;&oacute;ng vai tr&ograve; &#8216;ng&#432;&#7901;i mai m&#7889;i&#8217; th&#7847;m l&#7863;ng trong c&aacute;c h&#7879; th&#7889;ng n&agrave;y &#273;&atilde; &#273;&#432;&#7907;c ph&aacute;t hi&#7879;n. D&#7921;a tr&ecirc;n d&#7919; li&#7879;u t&#7915; s&#7913; m&#7879;nh Gaia c&#7911;a C&#417; quan V&#361; tr&#7909; Ch&acirc;u &Acirc;u, nghi&ecirc;n c&#7913;u &#273;&atilde; x&aacute;c &#273;&#7883;nh &#273;&#432;&#7907;c 50 h&#7879; ba sao ch&#7913;a sao bi&#7871;n quang. Trong c&aacute;c h&#7879; n&agrave;y, hai ng&ocirc;i sao g&#7847;n nhau t&#7841;o th&agrave;nh c&#7863;p ch&iacute;nh, trong khi ng&ocirc;i sao th&#7913; ba quay &#7903; kho&#7843;ng c&aacute;ch xa h&#417;n nhi&#7873;u.<\/p>\n<p>K&#7871;t qu&#7843; t&#7915; 2.000 m&ocirc; ph&#7887;ng m&aacute;y t&iacute;nh cho th&#7845;y, trong kho&#7843;ng 20% tr&#432;&#7901;ng h&#7907;p, ch&iacute;nh l&#7921;c h&#7845;p d&#7851;n t&#7915; ng&ocirc;i sao th&#7913; ba &#273;&atilde; l&agrave;m bi&#7871;n &#273;&#7893;i qu&#7929; &#273;&#7841;o c&#7911;a c&#7863;p sao &#273;&ocirc;i, khi&#7871;n ch&uacute;ng x&iacute;ch l&#7841;i g&#7847;n nhau m&agrave; kh&ocirc;ng c&#7847;n tr&#7843;i qua giai &#273;o&#7841;n l&#7899;p v&#7887; kh&iacute; chung nh&#432; gi&#7843; thuy&#7871;t truy&#7873;n th&#7889;ng. Vai tr&ograve; then ch&#7889;t c&#7911;a &#8216;k&#7867; th&#7913; ba&#8217; &#273;&atilde; &#273;&#432;&#7907;c kh&#7859;ng &#273;&#7883;nh trong c&aacute;c h&#7879; th&#7889;ng n&agrave;y.<\/p>\n<p>Tr&#432;&#7899;c &#273;&acirc;y, c&aacute;c nh&agrave; thi&ecirc;n v&#259;n h&#7885;c tin r&#7857;ng ph&#7847;n l&#7899;n c&aacute;c sao bi&#7871;n quang h&igrave;nh th&agrave;nh th&ocirc;ng qua qu&aacute; tr&igrave;nh ti&#7871;n h&oacute;a l&#7899;p v&#7887; chung. Theo &#273;&oacute;, m&#7897;t ng&ocirc;i sao ph&igrave;nh to th&agrave;nh sao kh&#7893;ng l&#7891; &#273;&#7887; v&agrave; bao ph&#7911; ng&ocirc;i sao &#273;&#7891;ng h&agrave;nh. Khi hai ng&ocirc;i sao t&#432;&#417;ng t&aacute;c, l&#7899;p v&#7887; n&agrave;y b&#7883; &#273;&#7849;y ra, &#273;&#7875; l&#7841;i m&#7897;t sao l&ugrave;n tr&#7855;ng quay quanh m&#7897;t sao &#273;&#7891;ng h&agrave;nh &#7903; kho&#7843;ng c&aacute;ch &#273;&#7911; g&#7847;n &#273;&#7875; b&#7855;t &#273;&#7847;u qu&aacute; tr&igrave;nh h&uacute;t v&#7853;t ch&#7845;t.<\/p>\n<p>Tuy nhi&ecirc;n, ph&aacute;t hi&#7879;n m&#7899;i cho th&#7845;y m&ocirc; h&igrave;nh n&agrave;y kh&ocirc;ng ph&#7843;i l&agrave; con &#273;&#432;&#7901;ng duy nh&#7845;t. Trong c&aacute;c m&ocirc; ph&#7887;ng c&#7911;a nh&oacute;m nghi&ecirc;n c&#7913;u, c&oacute; &#273;&#7871;n 60% tr&#432;&#7901;ng h&#7907;p l&#7899;p v&#7887; kh&iacute; chung v&#7851;n h&igrave;nh th&agrave;nh nh&#432;ng &#273;&#432;&#7907;c k&iacute;ch ho&#7841;t b&#7903;i s&#7921; t&aacute;c &#273;&#7897;ng c&#7911;a ng&ocirc;i sao th&#7913; ba. Ch&#7881; kho&#7843;ng 20% tr&#432;&#7901;ng h&#7907;p c&ograve;n l&#7841;i l&agrave; l&#7899;p v&#7887; kh&iacute; h&igrave;nh th&agrave;nh theo c&aacute;ch truy&#7873;n th&#7889;ng, kh&ocirc;ng c&oacute; s&#7921; g&oacute;p m&#7863;t c&#7911;a ng&ocirc;i sao th&#7913; ba.<\/p>\n<p>&#272;&aacute;ng ch&uacute; &yacute;, nh&oacute;m nghi&ecirc;n c&#7913;u d&#7921; &#273;o&aacute;n c&oacute; th&#7875; c&oacute; t&#7899;i 40% c&aacute;c bi&#7871;n thi&ecirc;n th&#7843;m kh&#7889;c ngo&agrave;i th&#7921;c t&#7871; &#273;&#432;&#7907;c h&igrave;nh th&agrave;nh t&#7915; h&#7879; ba sao. Con s&#7889; n&agrave;y cao h&#417;n nhi&#7873;u so v&#7899;i nh&#7919;ng g&igrave; d&#7919; li&#7879;u quan s&aacute;t t&#7915; Gaia t&#7915;ng ghi nh&#7853;n. L&yacute; do c&oacute; th&#7875; &#273;&#7871;n t&#7915; vi&#7879;c nhi&#7873;u ng&ocirc;i sao th&#7913; ba n&#7857;m qu&aacute; xa ho&#7863;c c&oacute; &aacute;nh s&aacute;ng qu&aacute; y&#7871;u &#273;&#7875; &#273;&#432;&#7907;c ph&aacute;t hi&#7879;n, th&#7853;m ch&iacute; &#273;&atilde; b&#7883; b&#7853;t kh&#7887;i h&#7879; do t&aacute;c &#273;&#7897;ng h&#7845;p d&#7851;n m&#7841;nh m&#7869;.<\/p>\n<p>D&#7919; li&#7879;u c&#361;ng cho th&#7845;y, c&aacute;c h&#7879; ba sao c&oacute; qu&#7929; &#273;&#7841;o ng&ocirc;i sao th&#7913; ba l&#7899;n h&#417;n 100 &#273;&#417;n v&#7883; thi&ecirc;n v&#259;n (100 l&#7847;n kho&#7843;ng c&aacute;ch t&#7915; Tr&aacute;i &#272;&#7845;t &#273;&#7871;n M&#7863;t Tr&#7901;i) c&oacute; xu h&#432;&#7899;ng d&#7877; h&igrave;nh th&agrave;nh c&aacute;c bi&#7871;n quang h&#417;n. Nh&agrave; nghi&ecirc;n c&#7913;u Kareem El-Badry chia s&#7867;: &#8216;Trong su&#7889;t 50 n&#259;m qua, gi&#7899;i thi&ecirc;n v&#259;n h&#7885;c &#273;&atilde; s&#7917; d&#7909;ng m&ocirc; h&igrave;nh v&#7887; kh&iacute; chung &#273;&#7875; gi&#7843;i th&iacute;ch s&#7921; h&igrave;nh th&agrave;nh sao bi&#7871;n quang. Nh&#432;ng gi&#7901; &#273;&acirc;y, ch&uacute;ng t&ocirc;i ph&aacute;t hi&#7879;n r&#7857;ng r&#7845;t nhi&#7873;u h&#7879; th&#7889;ng nh&#432; v&#7853;y th&#7921;c ch&#7845;t l&agrave; s&#7843;n ph&#7849;m c&#7911;a c&aacute;c t&#432;&#417;ng t&aacute;c ba sao&#8217;.<\/p>\n<p>Ph&aacute;t hi&#7879;n n&agrave;y m&#7903; ra m&#7897;t h&#432;&#7899;ng nghi&ecirc;n c&#7913;u m&#7899;i, th&aacute;ch th&#7913;c nh&#7919;ng gi&#7843; &#273;&#7883;nh l&acirc;u &#273;&#7901;i v&#7873; s&#7921; ti&#7871;n h&oacute;a c&#7911;a c&aacute;c h&#7879; sao trong v&#361; tr&#7909;.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Nghi\u00ean c\u1ee9u m\u1edbi ph\u00e1t hi\u1ec7n 50 h\u1ec7 ba sao ch\u1ee9a sao bi\u1ebfn quang v\u1edbi ng\u00f4i sao th\u1ee9 ba \u0111\u00f3ng vai tr\u00f2 &#8220;ng\u01b0\u1eddi mai m\u1ed1i&#8221;. D\u1eef li\u1ec7u t\u1eeb s\u1ee9 m\u1ec7nh Gaia ch\u1ec9 ra r\u1eb1ng, trong 20% tr\u01b0\u1eddng h\u1ee3p, l\u1ef1c h\u1ea5p d\u1eabn c\u1ee7a ng\u00f4i sao th\u1ee9 ba l\u00e0m thay \u0111\u1ed5i qu\u1ef9 \u0111\u1ea1o c\u1ee7a c\u1eb7p sao \u0111\u00f4i m\u00e0 kh\u00f4ng c\u1ea7n giai \u0111o\u1ea1n l\u1edbp v\u1ecf kh\u00ed chung.<\/p>\n","protected":false},"author":1,"featured_media":17168,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[3],"tags":[13736,8698,1461,13735,13737,3297],"class_list":["post-17166","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thoi-su","tag-he-ba-sao","tag-nghien-cuu-thien-van","tag-ngoi-sao","tag-sao-bien-quang","tag-thien-van-hoc","tag-vu-tru"],"_links":{"self":[{"href":"https:\/\/nopphatnguoi.vn\/blog\/wp-json\/wp\/v2\/posts\/17166","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nopphatnguoi.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nopphatnguoi.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nopphatnguoi.vn\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nopphatnguoi.vn\/blog\/wp-json\/wp\/v2\/comments?post=17166"}],"version-history":[{"count":0,"href":"https:\/\/nopphatnguoi.vn\/blog\/wp-json\/wp\/v2\/posts\/17166\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nopphatnguoi.vn\/blog\/wp-json\/wp\/v2\/media\/17168"}],"wp:attachment":[{"href":"https:\/\/nopphatnguoi.vn\/blog\/wp-json\/wp\/v2\/media?parent=17166"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nopphatnguoi.vn\/blog\/wp-json\/wp\/v2\/categories?post=17166"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nopphatnguoi.vn\/blog\/wp-json\/wp\/v2\/tags?post=17166"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}