{"id":12759,"date":"2021-06-02T06:41:02","date_gmt":"2021-06-02T06:41:02","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=12759"},"modified":"2021-06-02T06:41:02","modified_gmt":"2021-06-02T06:41:02","slug":"largest-comet-ever-discovered-hubble-space-telescope","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/astronomy-and-space\/largest-comet-ever-discovered-hubble-space-telescope\/","title":{"rendered":"K\u00ednh vi\u1ec5n v\u1ecdng Kh\u00f4ng gian Hubble ph\u00e1t hi\u1ec7n ra sao ch\u1ed5i l\u1edbn nh\u1ea5t t\u1eebng th\u1ea5y"},"content":{"rendered":"<h2 class=\"wp-block-heading\">K\u00ednh vi\u1ec5n v\u1ecdng Kh\u00f4ng gian Hubble ph\u00e1t hi\u1ec7n ra sao ch\u1ed5i l\u1edbn nh\u1ea5t t\u1eebng th\u1ea5y<\/h2>\n\n<h2 class=\"wp-block-heading\">Ph\u00e1t hi\u1ec7n sao ch\u1ed5i Bernardinelli-Bernstein<\/h2>\n\n<p>N\u0103m 2010, c\u00e1c nh\u00e0 thi\u00ean v\u0103n h\u1ecdc Pedro Bernardinelli v\u00e0 Gary Bernstein t\u00ecnh c\u1edd ph\u00e1t hi\u1ec7n ra m\u1ed9t \u0111i\u1ec3m s\u00e1ng y\u1ebfu \u1edbt trong c\u00e1c h\u00ecnh \u1ea3nh l\u01b0u tr\u1eef t\u1eeb Kh\u1ea3o s\u00e1t N\u0103ng l\u01b0\u1ee3ng T\u1ed1i. H\u1ecd kh\u00f4ng bi\u1ebft r\u1eb1ng v\u1eadt th\u1ec3 xa x\u00f4i n\u00e0y h\u00f3a ra l\u1ea1i l\u00e0 sao ch\u1ed5i l\u1edbn nh\u1ea5t t\u1eebng \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n.<\/p>\n\n<h2 class=\"wp-block-heading\">X\u00e1c nh\u1eadn b\u1eb1ng K\u00ednh vi\u1ec5n v\u1ecdng Kh\u00f4ng gian Hubble<\/h2>\n\n<p>V\u00e0o th\u00e1ng 1 n\u0103m 2022, nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 s\u1eed d\u1ee5ng K\u00ednh vi\u1ec5n v\u1ecdng Kh\u00f4ng gian Hubble \u0111\u1ec3 x\u00e1c nh\u1eadn k\u00edch th\u01b0\u1edbc kh\u1ed5ng l\u1ed3 c\u1ee7a sao ch\u1ed5i. B\u1eb1ng c\u00e1ch ph\u00e2n t\u00edch n\u0103m h\u00ecnh \u1ea3nh, h\u1ecd c\u00f3 th\u1ec3 ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c nh\u00e2n r\u1eafn c\u1ee7a sao ch\u1ed5i v\u1edbi l\u1edbp v\u1ecf kh\u00ed v\u00e0 \u0111u\u00f4i d\u00e0i bao quanh n\u00f3.<\/p>\n\n<h2 class=\"wp-block-heading\">K\u00edch th\u01b0\u1edbc v\u00e0 Ngu\u1ed3n g\u1ed1c<\/h2>\n\n<p>Sao ch\u1ed5i Bernardinelli-Bernstein, ch\u00ednh th\u1ee9c \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 C\/2014 UN271, c\u00f3 chi\u1ec1u r\u1ed9ng \u0111\u00e1ng kinh ng\u1ea1c l\u00e0 80 d\u1eb7m, l\u1edbn h\u01a1n c\u1ea3 ti\u1ec3u bang Rhode Island. Nh\u00e2n c\u1ee7a n\u00f3 l\u1edbn h\u01a1n 50 l\u1ea7n so v\u1edbi nh\u00e2n sao ch\u1ed5i trung b\u00ecnh.<\/p>\n\n<p>Ng\u01b0\u1eddi ta tin r\u1eb1ng sao ch\u1ed5i n\u00e0y c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb \u0111\u00e1m m\u00e2y Oort, m\u1ed9t v\u00f9ng xa x\u00f4i g\u1ed3m c\u00e1c thi\u00ean th\u1ec3 b\u0103ng gi\u00e1 n\u1eb1m \u1edf r\u00eca h\u1ec7 m\u1eb7t tr\u1eddi c\u1ee7a ch\u00fang ta. Ng\u01b0\u1eddi ta cho r\u1eb1ng l\u1ef1c h\u1ea5p d\u1eabn t\u1eeb c\u00e1c h\u00e0nh tinh kh\u1ed5ng l\u1ed3 nh\u01b0 Sao M\u1ed9c v\u00e0 Sao Th\u1ed5 \u0111\u00e3 \u0111\u1ea9y sao ch\u1ed5i ra kh\u1ecfi h\u1ec7 m\u1eb7t tr\u1eddi b\u00ean trong h\u00e0ng t\u1ef7 n\u0103m tr\u01b0\u1edbc.<\/p>\n\n<h2 class=\"wp-block-heading\">Qu\u1ef9 \u0111\u1ea1o v\u00e0 Th\u00e0nh ph\u1ea7n<\/h2>\n\n<p>Sao ch\u1ed5i Bernardinelli-Bernstein hi\u1ec7n c\u00e1ch m\u1eb7t tr\u1eddi hai t\u1ef7 d\u1eb7m v\u00e0 quay quanh m\u1eb7t tr\u1eddi c\u1ee9 sau 3 tri\u1ec7u n\u0103m. Nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t c\u1ee7a n\u00f3 l\u00e0 \u00e2m 348 \u0111\u1ed9 F l\u1ea1nh gi\u00e1. M\u1eb7c d\u00f9 r\u1ea5t l\u1ea1nh, sao ch\u1ed5i v\u1eabn ph\u00e1t ra kh\u00ed carbon monoxide, t\u1ea1o th\u00e0nh m\u1ed9t \u0111\u00e1m m\u00e2y b\u1ee5i v\u00e0 kh\u00ed xung quanh nh\u00e2n c\u1ee7a n\u00f3.<\/p>\n\n<h2 class=\"wp-block-heading\">\u00dd ngh\u0129a v\u00e0 C\u00e1c quan s\u00e1t trong t\u01b0\u01a1ng lai<\/h2>\n\n<p>Sao ch\u1ed5i Bernardinelli-Bernstein mang \u0111\u1ebfn m\u1ed9t c\u01a1 h\u1ed9i duy nh\u1ea5t \u0111\u1ec3 c\u00e1c nh\u00e0 khoa h\u1ecdc nghi\u00ean c\u1ee9u c\u00e1c sao ch\u1ed5i t\u1eeb \u0111\u00e1m m\u00e2y Oort. B\u1eb1ng c\u00e1ch ph\u00e2n t\u00edch th\u00e0nh ph\u1ea7n v\u00e0 h\u00e0nh vi c\u1ee7a n\u00f3, c\u00e1c nh\u00e0 thi\u00ean v\u0103n h\u1ecdc hy v\u1ecdng s\u1ebd c\u00f3 \u0111\u01b0\u1ee3c th\u00f4ng tin chi ti\u1ebft v\u1ec1 s\u1ef1 h\u00ecnh th\u00e0nh v\u00e0 ti\u1ebfn h\u00f3a c\u1ee7a h\u1ec7 m\u1eb7t tr\u1eddi c\u1ee7a ch\u00fang ta.<\/p>\n\n<h2 class=\"wp-block-heading\">D\u1ef1 ki\u1ebfn ti\u1ebfp c\u1eadn g\u1ea7n nh\u1ea5t<\/h2>\n\n<p>D\u1ef1 ki\u1ebfn sao ch\u1ed5i s\u1ebd ti\u1ebfp c\u1eadn g\u1ea7n nh\u1ea5t v\u1edbi m\u1eb7t tr\u1eddi v\u00e0o n\u0103m 2031, khi n\u00f3 s\u1ebd ti\u1ebfn \u0111\u1ebfn g\u1ea7n m\u1ed9t t\u1ef7 d\u1eb7m. M\u1eb7c d\u00f9 s\u1ebd kh\u00f4ng th\u1ec3 nh\u00ecn th\u1ea5y b\u1eb1ng m\u1eaft th\u01b0\u1eddng, nh\u01b0ng c\u00e1c nh\u00e0 thi\u00ean v\u0103n h\u1ecdc s\u1ebd c\u00f3 m\u1ed9t c\u01a1 h\u1ed9i tuy\u1ec7t v\u1eddi \u0111\u1ec3 nghi\u00ean c\u1ee9u thi\u00ean th\u1ec3 kh\u1ed5ng l\u1ed3 n\u00e0y b\u1eb1ng k\u00ednh vi\u1ec5n v\u1ecdng.<\/p>\n\n<h2 class=\"wp-block-heading\">C\u00e1c c\u00e2u h\u1ecfi v\u00e0 c\u00e2u tr\u1ea3 l\u1eddi b\u1ed5 sung v\u1ec1 t\u1eeb kh\u00f3a \u0111u\u00f4i d\u00e0i<\/h2>\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u00e1m m\u00e2y Oort l\u00e0 g\u00ec?<\/strong> \u0110\u00e1m m\u00e2y Oort l\u00e0 m\u1ed9t v\u00f9ng h\u00ecnh c\u1ea7u g\u1ed3m c\u00e1c thi\u00ean th\u1ec3 b\u0103ng gi\u00e1 n\u1eb1m \u1edf r\u00eca h\u1ec7 m\u1eb7t tr\u1eddi c\u1ee7a ch\u00fang ta. Ng\u01b0\u1eddi ta cho r\u1eb1ng n\u00f3 ch\u1ee9a h\u00e0ng t\u1ef7 sao ch\u1ed5i v\u00e0 ti\u1ec3u h\u00e0nh tinh.<\/li>\n<li><strong>Sao ch\u1ed5i h\u00ecnh th\u00e0nh nh\u01b0 th\u1ebf n\u00e0o?<\/strong> Sao ch\u1ed5i \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh t\u1eeb c\u00e1c m\u1ea3nh v\u1ee1 c\u00f2n s\u00f3t l\u1ea1i t\u1eeb qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh h\u1ec7 m\u1eb7t tr\u1eddi c\u1ee7a ch\u00fang ta. Ch\u00fang bao g\u1ed3m b\u0103ng, b\u1ee5i v\u00e0 \u0111\u00e1.<\/li>\n<li><strong>T\u1ea1i sao sao ch\u1ed5i Bernardinelli-Bernstein l\u1ea1i s\u00e1ng nh\u01b0 v\u1eady?<\/strong> Sao ch\u1ed5i Bernardinelli-Bernstein \u0111\u1eb7c bi\u1ec7t s\u00e1ng v\u00ec k\u00edch th\u01b0\u1edbc l\u1edbn v\u00e0 g\u1ea7n m\u1eb7t tr\u1eddi. Khi n\u00f3 ti\u1ebfn g\u1ea7n h\u01a1n \u0111\u1ebfn m\u1eb7t tr\u1eddi, l\u1edbp v\u1ecf kh\u00ed c\u1ee7a n\u00f3 s\u1ebd m\u1edf r\u1ed9ng, khi\u1ebfn n\u00f3 th\u1eadm ch\u00ed c\u00f2n s\u00e1ng h\u01a1n.<\/li>\n<li><strong>C\u00e1c nh\u00e0 khoa h\u1ecdc c\u00f3 th\u1ec3 h\u1ecdc \u0111\u01b0\u1ee3c g\u00ec khi nghi\u00ean c\u1ee9u sao ch\u1ed5i Bernardinelli-Bernstein?<\/strong> B\u1eb1ng c\u00e1ch nghi\u00ean c\u1ee9u sao ch\u1ed5i Bernardinelli-Bernstein, c\u00e1c nh\u00e0 khoa h\u1ecdc hy v\u1ecdng s\u1ebd c\u00f3 \u0111\u01b0\u1ee3c th\u00f4ng tin chi ti\u1ebft v\u1ec1 th\u00e0nh ph\u1ea7n v\u00e0 h\u00e0nh vi c\u1ee7a c\u00e1c sao ch\u1ed5i t\u1eeb \u0111\u00e1m m\u00e2y Oort. \u0110i\u1ec1u n\u00e0y s\u1ebd gi\u00fap h\u1ecd hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 s\u1ef1 h\u00ecnh th\u00e0nh v\u00e0 ti\u1ebfn h\u00f3a c\u1ee7a h\u1ec7 m\u1eb7t tr\u1eddi c\u1ee7a ch\u00fang ta.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>K\u00ednh vi\u1ec5n v\u1ecdng Kh\u00f4ng gian Hubble ph\u00e1t hi\u1ec7n ra sao ch\u1ed5i l\u1edbn nh\u1ea5t t\u1eebng th\u1ea5y Ph\u00e1t hi\u1ec7n sao ch\u1ed5i Bernardinelli-Bernstein N\u0103m 2010, c\u00e1c nh\u00e0 thi\u00ean v\u0103n h\u1ecdc Pedro Bernardinelli v\u00e0&hellip;<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2151],"tags":[17239,434,1444,7450,17240,435],"class_list":["post-12759","post","type-post","status-publish","format-standard","hentry","category-astronomy-and-space","tag-oort-cloud","tag-space-exploration","tag-hubble-space-telescope","tag-comet","tag-bernard-bernstein-comet","tag-astronomy"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/12759","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=12759"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/12759\/revisions"}],"predecessor-version":[{"id":12760,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/12759\/revisions\/12760"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=12759"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=12759"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=12759"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}