{"id":28676,"date":"2019-03-05T20:30:00","date_gmt":"2019-03-05T13:30:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=28676"},"modified":"2021-10-03T20:32:10","modified_gmt":"2021-10-03T13:32:10","slug":"mot-lo-den-kich-co-sao-moc-dang-di-chuyen-xuyen-thien-ha","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/mot-lo-den-kich-co-sao-moc-dang-di-chuyen-xuyen-thien-ha\/","title":{"rendered":"M\u1ed9t l\u1ed7 \u0111en k\u00edch c\u1ee1 sao M\u1ed9c \u0111ang di chuy\u1ec3n xuy\u00ean thi\u00ean h\u00e0"},"content":{"rendered":"\n<p><strong>C\u00e1c nh\u00e0 thi\u00ean v\u0103n ph\u00e1t hi\u1ec7n m\u1ed9t lo\u1ea1t c\u00e1c d\u00f2ng kh\u00ed quay quanh ngu\u1ed3n tr\u1ecdng l\u1ef1c v\u00f4 h\u00ecnh, n\u1eb1m c\u00e1ch trung t\u00e2m d\u1ea3i ng\u00e2n h\u00e0 kho\u1ea3ng 26.000 n\u0103m \u00e1nh s\u00e1ng.<\/strong><\/p>\n\n\n\n<p>Nh\u00f3m c\u00e1c nh\u00e0 thi\u00ean v\u0103n thu\u1ed9c \u0110\u00e0i quan s\u00e1t qu\u1ed1c gia Nh\u1eadt B\u1ea3n \u0111\u00e3 c\u00f4ng b\u1ed1 m\u1ed9t kh\u00e1m ph\u00e1 l\u1ea1 th\u01b0\u1eddng:&nbsp;<strong>M\u1ed9t l\u1ed7 \u0111en v\u1edbi k\u00edch c\u1ee1 sao M\u1ed9c \u0111ang du h\u00e0nh xuy\u00ean qua thi\u00ean h\u00e0 ch\u00fang ta.<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/khoahoc.tv\/lo-den-ho-den-la-gi-88724\">L\u1ed7 \u0111en<\/a>&nbsp;ra \u0111\u1eddi do s\u1ef1 s\u1ee5p \u0111\u1ed5 b\u00ean trong l\u00f5i c\u1ee7a m\u1ed9t ng\u00f4i sao khi ch\u1ebft \u0111i. Ch\u00fang c\u00f3 r\u1ea5t nhi\u1ec1u k\u00edch c\u1ee1 v\u00e0 \u0111\u01b0\u1ee3c x\u1ebfp lo\u1ea1i v\u00e0o c\u00e1c l\u1edbp. M\u1ed9t l\u1ed7 \u0111en c\u00f3 th\u1ec3 ch\u1ec9 nh\u1ecf v\u00e0i c\u00e2y s\u1ed1, ho\u1eb7c to b\u1eb1ng c\u1ea3 m\u1ed9t h\u00e0nh tinh. L\u1ed7 \u0111en l\u1edbn nh\u1ea5t to b\u1eb1ng h\u00e0ng t\u1ef7 m\u1eb7t tr\u1eddi g\u1ed9p l\u1ea1i, \u0111\u01b0\u1ee3c cho l\u00e0 t\u1ed3n t\u1ea1i \u1edf t\u00e2m thi\u00ean h\u00e0.<\/p>\n\n\n\n<p>C\u00e1c l\u1ed7 \u0111en c\u00f3 k\u00edch c\u1ee1 b\u1eb1ng m\u1ed9t h\u00e0nh tinh \u0111\u01b0\u1ee3c x\u1ebfp v\u00e0o lo\u1ea1i trung b\u00ecnh, v\u1edbi l\u1ed7 \u0111en l\u1edbn nh\u1ea5t \u1edf l\u1edbp n\u00e0y c\u0169ng ch\u1ec9 b\u1eb1ng M\u1eb7t tr\u1eddi. Ch\u00fang hi\u1ebfm h\u01a1n nhi\u1ec1u so v\u1edbi hai lo\u1ea1i c\u00f2n l\u1ea1i v\u00e0 th\u01b0\u1eddng di chuy\u1ec3n m\u1ed9t m\u00ecnh v\u00f4 \u0111\u1ecbnh trong kh\u00f4ng gian.<\/p>\n\n\n\n<p>Ch\u00fang ta ch\u1ec9 c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y c\u00e1c&nbsp;<strong>l\u1ed7 \u0111en lang thang<\/strong>&nbsp;n\u00e0y trong nh\u1eefng d\u1ecbp hi\u1ebfm hoi, khi ch\u00fang g\u1eb7p ph\u1ea3i m\u1ed9t lo\u1ea1i v\u1eadt ch\u1ea5t n\u00e0o \u0111\u00f3 (\u0111\u00e1m m\u00e2y kh\u00ed ho\u1eb7c m\u1ed9t ng\u00f4i sao), v\u00e0 b\u1eaft \u0111\u1ea7u nu\u1ed1t ch\u1eedng n\u1ea1n nh\u00e2n.<\/p>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/e.khoahoc.tv\/photos\/image\/2019\/03\/04\/lo-den.gif\" alt=\"C\u00e1c nh\u00e0 khoa h\u1ecdc ch\u1ec9 ph\u00e1t hi\u1ec7n ra l\u1ed7 \u0111en khi n\u00f3 t\u01b0\u01a1ng t\u00e1c v\u1edbi m\u1ed9t lo\u1ea1i v\u1eadt ch\u1ea5t kh\u00e1c trong v\u0169 tr\u1ee5. \" width=\"500\" height=\"315\"><br>C\u00e1c nh\u00e0 khoa h\u1ecdc ch\u1ec9 ph\u00e1t hi\u1ec7n ra l\u1ed7 \u0111en khi n\u00f3 t\u01b0\u01a1ng t\u00e1c v\u1edbi m\u1ed9t lo\u1ea1i v\u1eadt ch\u1ea5t kh\u00e1c trong v\u0169 tr\u1ee5. (\u1ea2nh: Curiosmos).<\/p>\n\n\n\n<p>\u0110\u00e2y ch\u00ednh x\u00e1c l\u00e0 \u0111i\u1ec1u m\u00e0 nh\u00e0 thi\u00ean v\u0103n h\u1ecdc Shunya Takekawa v\u00e0 nh\u00f3m c\u1ee7a \u00f4ng \u0111\u00e3 ph\u00e1t hi\u1ec7n ra:\u00a0<strong>M\u1ed9t lo\u1ea1t c\u00e1c g\u1ee3n s\u00f3ng trong \u0111\u00e1m m\u00e2y kh\u00ed li\u00ean sao<\/strong>, cho th\u1ea5y s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a m\u1ed9t l\u1ed7 \u0111en kh\u1ed1i l\u01b0\u1ee3ng trung b\u00ecnh \u0111ang \u0111i ngang qua n\u00f3.<\/p>\n\n\n\n<p>\u0110\u1eb7c bi\u1ec7t, nh\u00f3m c\u00e1c nh\u00e0 thi\u00ean v\u0103n \u0111\u00e3 c\u00f3 th\u1ec3 quan s\u00e1t m\u1ed9t lo\u1ea1t c\u00e1c d\u00f2ng kh\u00ed quay quanh ngu\u1ed3n tr\u1ecdng l\u1ef1c v\u00f4 h\u00ecnh, n\u1eb1m c\u00e1ch trung t\u00e2m d\u1ea3i ng\u00e2n h\u00e0 kho\u1ea3ng 26.000 n\u0103m \u00e1nh s\u00e1ng.<\/p>\n\n\n\n<p>S\u1eed d\u1ee5ng&nbsp;<strong>k\u00ednh vi\u1ec5n v\u1ecdng Atacama Large Millim Array (ALMA)<\/strong>&nbsp;\u1edf Chile, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh h\u00ecnh d\u1ea1ng c\u1ee7a \u0111\u00e1m m\u00e2y<em>. \u201cL\u1ea7n \u0111\u1ea7u ti\u00ean khi ki\u1ec3m tra d\u1eef li\u1ec7u ALMA, t\u00f4i \u0111\u00e3 r\u1ea5t ph\u1ea5n kh\u00edch v\u00ec kh\u00ed quan s\u00e1t c\u00f3 chuy\u1ec3n \u0111\u1ed9ng qu\u1ef9 \u0111\u1ea1o r\u00f5 r\u00e0ng, \u0111i\u1ec1u n\u00e0y cho th\u1ea5y m\u1ed9t v\u1eadt th\u1ec3 v\u00f4 h\u00ecnh kh\u1ed5ng l\u1ed3 \u0111ang \u1ea9n n\u1ea5p\u201d<\/em>, nh\u00e0 v\u1eadt l\u00fd thi\u00ean v\u0103n h\u1ecdc Shunya Takekawa cho bi\u1ebft<\/p>\n\n\n\n<p>Theo Takekawa, nh\u1eefng l\u1ed7 \u0111en n\u00e0y di chuy\u1ec3n t\u01b0\u01a1ng \u0111\u1ed1i nhanh so v\u1edbi kh\u00ed bao quanh, v\u00ec v\u1eady ch\u00fang ch\u1ec9 h\u1ea5p th\u1ee5 m\u1ed9t ph\u1ea7n nh\u1ecf v\u00e0 t\u1ea1o ra r\u1ea5t \u00edt \u00e1nh s\u00e1ng.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u, l\u1ed7 \u0111en \u0111\u1eb7c bi\u1ec7t n\u00e0y c\u00f3 th\u1ec3 s\u1ebd m\u1ea5t kho\u1ea3ng 10.000 n\u0103m \u0111\u1ec3 ti\u00eau th\u1ee5 t\u1ea5t c\u1ea3 kh\u00ed gas xung quanh n\u00f3.<\/p>\n\n\n\n<p>Ng\u01b0\u1eddi ta cho r\u1eb1ng&nbsp;<a href=\"https:\/\/khoahoc.tv\/vu-tru\">v\u0169 tr\u1ee5<\/a>&nbsp;l\u00e0 ng\u00f4i nh\u00e0 c\u1ee7a v\u00f4 s\u1ed1 qu\u00e1i v\u1eadt v\u00f4 h\u00ecnh t\u01b0\u01a1ng t\u1ef1, \u0111ang di chuy\u1ec3n quanh c\u00e1c thi\u00ean h\u00e0 kh\u00e1c nhau. V\u1ea5n \u0111\u1ec1 l\u00e0 ch\u00fang g\u1ea7n nh\u01b0 kh\u00f4ng th\u1ec3 ph\u00e1t hi\u1ec7n, tr\u1eeb khi t\u01b0\u01a1ng t\u00e1c v\u1edbi v\u1eadt ch\u1ea5t g\u1ea7n \u0111\u00f3 nh\u01b0 tr\u01b0\u1eddng h\u1ee3p c\u1ee7a l\u1ed7 \u0111en \u0111\u1eb7c bi\u1ec7t n\u00e0y.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1c nh\u00e0 thi\u00ean v\u0103n ph\u00e1t hi\u1ec7n m\u1ed9t lo\u1ea1t c\u00e1c d\u00f2ng kh\u00ed quay quanh ngu\u1ed3n tr\u1ecdng l\u1ef1c v\u00f4 h\u00ecnh, n\u1eb1m c\u00e1ch trung t\u00e2m d\u1ea3i ng\u00e2n h\u00e0 kho\u1ea3ng 26.000 n\u0103m \u00e1nh s\u00e1ng. Nh\u00f3m c\u00e1c nh\u00e0 thi\u00ean v\u0103n thu\u1ed9c \u0110\u00e0i quan s\u00e1t qu\u1ed1c gia Nh\u1eadt B\u1ea3n \u0111\u00e3 c\u00f4ng b\u1ed1 m\u1ed9t kh\u00e1m ph\u00e1 l\u1ea1 th\u01b0\u1eddng:&nbsp;M\u1ed9t l\u1ed7 \u0111en v\u1edbi k\u00edch [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-28676","post","type-post","status-publish","format-standard","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28676","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=28676"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28676\/revisions"}],"predecessor-version":[{"id":28679,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28676\/revisions\/28679"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=28676"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=28676"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=28676"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}