{"id":5708,"date":"2016-07-28T17:55:50","date_gmt":"2016-07-28T10:55:50","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=5708"},"modified":"2017-10-03T09:34:43","modified_gmt":"2017-10-03T02:34:43","slug":"phat-hien-cau-truc-hinh-chu-x-o-trung-tam-dai-ngan-ha","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/phat-hien-cau-truc-hinh-chu-x-o-trung-tam-dai-ngan-ha\/","title":{"rendered":"Ph\u00e1t hi\u1ec7n c\u1ea5u tr\u00fac h\u00ecnh ch\u1eef X \u1edf trung t\u00e2m d\u1ea3i Ng\u00e2n h\u00e0"},"content":{"rendered":"<p><strong>C\u1ea5u tr\u00fac h\u00ecnh ch\u1eef X b\u00ed \u1ea9n \u1edf trung t\u00e2m d\u1ea3i Ng\u00e2n h\u00e0 c\u00f3 th\u1ec3 cung c\u1ea5p th\u00eam nh\u1eefng manh m\u1ed1i v\u1ec1 s\u1ef1 h\u00ecnh th\u00e0nh c\u1ee7a thi\u00ean h\u00e0.<\/strong><\/p>\n<p>D\u1ef1a tr\u00ean d\u1eef li\u1ec7u thu th\u1eadp t\u1eeb v\u1ec7 tinh Kh\u1ea3o s\u00e1t H\u1ed3ng ngo\u1ea1i Tr\u01b0\u1eddng r\u1ed9ng (WISE), c\u00e1c nghi\u00ean c\u1ee9u vi\u00ean C\u01a1 quan H\u00e0ng kh\u00f4ng V\u0169 tr\u1ee5 M\u1ef9 (NASA) h\u00f4m 19\/7 x\u00e1c nh\u1eadn c\u00f3 m\u1ed9t c\u1ea5u tr\u00fac k\u1ef3 l\u1ea1 h\u00ecnh ch\u1eef X t\u1ed3n t\u1ea1i \u1edf trung t\u00e2m thi\u00ean h\u00e0 Milky Way, hay c\u00f2n g\u1ecdi l\u00e0 d\u1ea3i Ng\u00e2n h\u00e0.<\/p>\n<p>C\u1ea5u tr\u00fac h\u00ecnh ch\u1eef X kh\u1ed5ng l\u1ed3 \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb m\u1ed9t ch\u1ed7 ph\u00ecnh ra c\u1ee7a nh\u1eefng ng\u00f4i sao. Ch\u00fang chuy\u1ec3n \u0111\u1ed9ng xung quanh trung t\u00e2m thi\u00ean h\u00e0 Milky Way, vu\u00f4ng g\u00f3c v\u1edbi m\u1eb7t ph\u1eb3ng thi\u00ean h\u00e0, t\u1ecfa t\u1eeb trong ra ngo\u00e0i.<\/p>\n<p>Qu\u1ef9 \u0111\u1ea1o c\u1ee7a c\u00e1c ng\u00f4i sao ph\u00e2n b\u1ed1 theo h\u00ecnh d\u1ea1ng gi\u1ed1ng nh\u01b0 chi\u1ebfc h\u1ed9p (box-shaped) xung quanh v\u00f9ng trung t\u00e2m. \u0110\u01b0\u1eddng di chuy\u1ec3n c\u1ee7a nh\u1eefng qu\u1ef9 \u0111\u1ea1o n\u00e0y t\u1eeb g\u00f3c nh\u00ecn c\u1ee7a ch\u00fang ta c\u00f3 d\u1ea1ng ch\u1eef X. \u0110\u00e2y l\u00e0 m\u1ed9t kh\u00e1m ph\u00e1 l\u1edbn, gi\u00fap gi\u1edbi khoa h\u1ecdc hi\u1ec3u bi\u1ebft th\u00eam v\u1ec1 qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh thi\u00ean h\u00e0 Milky Way.<\/p>\n<p>&#8220;Ch\u00fang t\u00f4i nh\u00ecn th\u1ea5y d\u1ea1ng h\u00ecnh h\u1ed9p v\u00e0 ch\u1eef X trong c\u00e1c h\u00ecnh \u1ea3nh thu th\u1eadp t\u1eeb v\u1ec7 tinh WISE. \u0110i\u1ec1u n\u00e0y ch\u1ee9ng t\u1ecf thi\u00ean h\u00e0 c\u1ee7a ch\u00fang ra kh\u00e1 y\u00ean t\u0129nh, kh\u00f4ng c\u00f3 s\u1ef1 ki\u1ec7n s\u00e1p nh\u1eadp l\u1edbn v\u1edbi c\u00e1c thi\u00ean h\u00e0 kh\u00e1c k\u1ec3 t\u1eeb khi ch\u1ed7 ph\u00ecnh ra \u1edf trung t\u00e2m d\u1ea3i Ng\u00e2n h\u00e0 h\u00ecnh th\u00e0nh&#8221;, <em>Mother Nature Network<\/em> d\u1eabn l\u1eddi Melissa Ness, t\u00e1c gi\u1ea3 nghi\u00ean c\u1ee9u ch\u00ednh t\u1ea1i Vi\u1ec7n Max Planck v\u1ec1 Thi\u00ean v\u0103n h\u1ecdc \u1edf Heidelberg, \u0110\u1ee9c, cho bi\u1ebft.<\/p>\n<p>H\u00ecnh d\u1ea1ng ch\u1eef X l\u00e0 d\u1ea5u hi\u1ec7u c\u1ee7a s\u1ef1 thu\u1ea7n khi\u1ebft v\u0169 tr\u1ee5 (cosmic purity). H\u00ecnh d\u1ea1ng ch\u1eef X \u1edf trung t\u00e2m thi\u00ean h\u00e0 s\u1ebd b\u1ecb ph\u00e1 v\u1ee1 n\u1ebfu thi\u00ean h\u00e0 Milky Way va ch\u1ea1m ho\u1eb7c s\u00e1p nh\u1eadp v\u1edbi thi\u00ean h\u00e0 kh\u00e1c.<\/p>\n<p>&#8220;C\u1ea5u tr\u00fac h\u00ecnh ch\u1eef X l\u00e0 ch\u00eca kh\u00f3a quan tr\u1ecdng \u0111\u1ec3 gi\u1ea3i th\u00edch s\u1ef1 h\u00ecnh th\u00e0nh v\u00e0 h\u00ecnh d\u1ea1ng c\u1ee7a thi\u00ean h\u00e0 Milky Way&#8221;, Ness n\u00f3i.<\/p>\n<p style=\"text-align: right;\"><em>L\u00ea H\u00f9ng<\/em><br \/>\n<em> http:\/\/vnexpress.net<\/em><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u1ea5u tr\u00fac h\u00ecnh ch\u1eef X b\u00ed \u1ea9n \u1edf trung t\u00e2m d\u1ea3i Ng\u00e2n h\u00e0 c\u00f3 th\u1ec3 cung c\u1ea5p th\u00eam nh\u1eefng manh m\u1ed1i v\u1ec1 s\u1ef1 h\u00ecnh th\u00e0nh c\u1ee7a thi\u00ean h\u00e0. D\u1ef1a tr\u00ean d\u1eef li\u1ec7u thu th\u1eadp t\u1eeb v\u1ec7 tinh Kh\u1ea3o s\u00e1t H\u1ed3ng ngo\u1ea1i Tr\u01b0\u1eddng r\u1ed9ng (WISE), c\u00e1c nghi\u00ean c\u1ee9u vi\u00ean C\u01a1 quan H\u00e0ng kh\u00f4ng V\u0169 tr\u1ee5 M\u1ef9 [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":6284,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-5708","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/5708","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=5708"}],"version-history":[{"count":3,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/5708\/revisions"}],"predecessor-version":[{"id":6362,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/5708\/revisions\/6362"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/6284"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=5708"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=5708"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=5708"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}