T\u1ea1i trung t\u00e2m c\u1ee7a thi\u00ean h\u00e0 Ng\u00e2n H\u00e0 c\u1ee7a ch\u00fang ta c\u00f3 m\u1ed9t l\u1ed7 \u0111en si\u00eau kh\u1ed1i l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi t\u00ean Sagittarius A*. Trong h\u01a1n m\u1ed9t th\u1eadp k\u1ef7, c\u00e1c nh\u00e0 thi\u00ean v\u0103n h\u1ecdc \u0111\u00e3 h\u00e1o h\u1ee9c ch\u1edd \u0111\u1ee3i kho\u1ea3nh kh\u1eafc khi g\u00e3 kh\u1ed5ng l\u1ed3 thi\u00ean th\u1ec3 n\u00e0y s\u1ebd nu\u1ed1t ch\u1eedng m\u1ed9t \u0111\u00e1m m\u00e2y kh\u00ed kh\u1ed5ng l\u1ed3 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi t\u00ean G2.<\/p>\n\n
\u0110\u01b0\u1ee3c ph\u00e1t hi\u1ec7n v\u00e0o n\u0103m 2011, \u0111\u00e1m m\u00e2y kh\u00ed G2 \u0111\u00e3 b\u1ecb k\u00e9o d\u1ea7n v\u1ec1 ph\u00eda Sagittarius A* b\u1edfi l\u1ef1c h\u1ea5p d\u1eabn kh\u1ed5ng l\u1ed3 c\u1ee7a n\u00f3. Khi n\u00f3 lao v\u1ec1 ph\u00eda k\u1ebft th\u00fac c\u00f3 th\u1ec3 x\u1ea3y ra v\u1edbi t\u1ed1c \u0111\u1ed9 \u0111\u00e1ng kinh ng\u1ea1c 5 tri\u1ec7u d\u1eb7m m\u1ed7i gi\u1edd, c\u00e1c nh\u00e0 thi\u00ean v\u0103n h\u1ecdc \u0111\u00e3 c\u1ea9n th\u1eadn theo d\u00f5i qu\u1ef9 \u0111\u1ea1o c\u1ee7a n\u00f3.<\/p>\n\n
Khi G2 ti\u1ebfp c\u1eadn \u0111i\u1ec3m g\u1ea7n nh\u1ea5t v\u1edbi Sagittarius A*, hai k\u1ecbch b\u1ea3n kh\u00e1c bi\u1ec7t c\u00f3 th\u1ec3 x\u1ea3y ra. \u0110\u00e1m m\u00e2y kh\u00ed c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c tr\u00ean qu\u1ef9 \u0111\u1ea1o hi\u1ec7n t\u1ea1i v\u00e0 v\u0103ng ra xung quanh l\u1ed7 \u0111en, ho\u1eb7c n\u00f3 c\u00f3 th\u1ec3 va ch\u1ea1m v\u1edbi kh\u00ed v\u00e0 b\u1ee5i xung quanh, m\u1ea5t t\u1ed1c \u0111\u1ed9 v\u00e0 xo\u00e1y v\u00e0o trong \u0111\u1ebfn s\u1ef1 di\u1ec7t vong c\u1ee7a n\u00f3.<\/p>\n\n
N\u1ebfu G2 tr\u00e1nh \u0111\u01b0\u1ee3c va ch\u1ea1m tr\u1ef1c ti\u1ebfp, n\u00f3 c\u00f3 th\u1ec3 cung c\u1ea5p nh\u1eefng th\u00f4ng tin qu\u00fd gi\u00e1 v\u1ec1 s\u1ef1 ti\u1ebfn h\u00f3a c\u1ee7a c\u00e1c thi\u00ean h\u00e0. B\u1eb1ng c\u00e1ch nghi\u00ean c\u1ee9u h\u00e0nh vi c\u1ee7a \u0111\u00e1m m\u00e2y khi n\u00f3 l\u01b0\u1edbt qua l\u1ed7 \u0111en, c\u00e1c nh\u00e0 khoa h\u1ecdc hy v\u1ecdng c\u00f3 th\u1ec3 hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 l\u1ecbch s\u1eed v\u00e0 s\u1ef1 h\u00ecnh th\u00e0nh c\u1ee7a l\u1ed7 \u0111en si\u00eau kh\u1ed1i l\u01b0\u1ee3ng trong Ng\u00e2n H\u00e0 c\u1ee7a ch\u00fang ta.<\/p>\n\n
Trong tr\u01b0\u1eddng h\u1ee3p x\u1ea3y ra va ch\u1ea1m, c\u00e1c nh\u00e0 thi\u00ean v\u0103n h\u1ecdc s\u1ebd ch\u1ee9ng ki\u1ebfn m\u1ed9t c\u1ea3nh t\u01b0\u1ee3ng v\u0169 tr\u1ee5 khi l\u1ed7 \u0111en nu\u1ed1t ch\u1eedng m\u1ed9t ph\u1ea7n l\u1edbn c\u1ee7a G2. \u0110i\u1ec1u n\u00e0y s\u1ebd cung c\u1ea5p c\u01a1 h\u1ed9i hi\u1ebfm hoi \u0111\u1ec3 quan s\u00e1t th\u00f3i quen \u0103n u\u1ed1ng c\u1ee7a c\u00e1c l\u1ed7 \u0111en si\u00eau kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 \u0111i\u1ec1u tra c\u00e1c qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh v\u00e0 \u1ea3nh h\u01b0\u1edfng c\u1ee7a ch\u00fang \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng xung quanh.<\/p>\n\n
B\u1ea5t k\u1ec3 k\u1ebft qu\u1ea3 nh\u01b0 th\u1ebf n\u00e0o, s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa Sagittarius A* v\u00e0 G2 d\u1ef1 ki\u1ebfn s\u1ebd c\u00f3 nh\u1eefng t\u00e1c \u0111\u1ed9ng l\u00e2u d\u00e0i. V\u1eadt ch\u1ea5t b\u1ecb x\u00e9 to\u1ea1c t\u1eeb \u0111\u00e1m m\u00e2y kh\u00ed c\u00f3 th\u1ec3 xo\u00e1y v\u00e0o trong th\u00f4ng qua \u0111\u0129a v\u1eadt li\u1ec7u c\u1ee7a l\u1ed7 \u0111en, gi\u1ea3i ph\u00f3ng b\u1ee9c x\u1ea1 m\u1ea1nh m\u1ebd khi n\u00f3 ti\u1ebfn g\u1ea7n \u0111\u1ebfn ch\u00e2n tr\u1eddi s\u1ef1 ki\u1ec7n. Qu\u00e1 tr\u00ecnh n\u00e0y c\u00f3 th\u1ec3 cung c\u1ea5p nh\u1eefng hi\u1ec3u bi\u1ebft qu\u00fd gi\u00e1 v\u1ec1 \u0111\u1ed9ng l\u1ef1c h\u1ecdc c\u1ee7a s\u1ef1 h\u1ea5p thu l\u1ed7 \u0111en v\u00e0 b\u1ea3n ch\u1ea5t c\u1ee7a v\u1eadt ch\u1ea5t trong c\u00e1c m\u00f4i tr\u01b0\u1eddng c\u1ef1c k\u1ef3 kh\u1eafc nghi\u1ec7t.<\/p>\n\n
Cu\u1ed9c va ch\u1ea1m s\u1eafp x\u1ea3y ra gi\u1eefa Sagittarius A* v\u00e0 G2 \u0111\u00e3 thu h\u00fat tr\u00ed t\u01b0\u1edfng t\u01b0\u1ee3ng c\u1ee7a c\u00e1c nh\u00e0 thi\u00ean v\u0103n h\u1ecdc tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. N\u00f3 cung c\u1ea5p m\u1ed9t c\u01a1 h\u1ed9i \u0111\u1ed9c nh\u1ea5t \u0111\u1ec3 nghi\u00ean c\u1ee9u h\u00e0nh vi c\u1ee7a c\u00e1c l\u1ed7 \u0111en si\u00eau kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c thi\u00ean th\u1ec3 trong thi\u00ean h\u00e0 c\u1ee7a ch\u00fang ta. Khi ch\u00fang ta h\u00e1o h\u1ee9c ch\u1edd \u0111\u1ee3i k\u1ebft qu\u1ea3, ch\u00fang ta \u0111ang \u0111\u1ee9ng tr\u01b0\u1edbc ng\u01b0\u1ee1ng c\u1eeda kh\u00e1m ph\u00e1 nh\u1eefng b\u00ed \u1ea9n m\u1edbi v\u1ec1 c\u00e1c l\u1ef1c l\u01b0\u1ee3ng b\u00ed \u1ea9n \u0111\u1ecbnh h\u00ecnh v\u0169 tr\u1ee5 c\u1ee7a ch\u00fang ta.<\/p>","protected":false},"excerpt":{"rendered":"
L\u1ed7 \u0110en Si\u00eau Kh\u1ed1i L\u01b0\u1ee3ng va ch\u1ea1m v\u1edbi \u0110\u00e1m M\u00e2y Kh\u00ed T\u1ea1i trung t\u00e2m c\u1ee7a thi\u00ean h\u00e0 Ng\u00e2n H\u00e0 c\u1ee7a ch\u00fang ta c\u00f3 m\u1ed9t l\u1ed7 \u0111en si\u00eau kh\u1ed1i l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[437],"tags":[692,694,695,696,691,693,436,697],"class_list":["post-250","post","type-post","status-publish","format-standard","hentry","category-astronomy","tag-gas-cloud","tag-milky-way","tag-sagittarius-a","tag-black-hole-accretion","tag-supermassive-black-hole","tag-collision","tag-astrophysics","tag-cosmology"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/250","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=250"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/250\/revisions"}],"predecessor-version":[{"id":251,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/250\/revisions\/251"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=250"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=250"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=250"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}