{"id":5654,"date":"2017-03-30T17:28:23","date_gmt":"2017-03-30T10:28:23","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=5654"},"modified":"2017-10-03T13:07:53","modified_gmt":"2017-10-03T06:07:53","slug":"dai-tu-truong-trieu-nam-anh-sang-trong-vu-tru","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/dai-tu-truong-trieu-nam-anh-sang-trong-vu-tru\/","title":{"rendered":"D\u1ea3i t\u1eeb tr\u01b0\u1eddng tri\u1ec7u n\u0103m \u00e1nh s\u00e1ng trong v\u0169 tr\u1ee5"},"content":{"rendered":"<p><strong>C\u00e1c nh\u00e0 khoa h\u1ecdc \u0110\u1ee9c ph\u00e1t hi\u1ec7n t\u1eeb tr\u01b0\u1eddng l\u1edbn nh\u1ea5t v\u0169 tr\u1ee5 \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi s\u1ef1 va ch\u1ea1m gi\u1eefa c\u00e1c c\u1ee5m thi\u00ean h\u00e0.<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-6729\" src=\"http:\/\/ttud.com.vn\/wp-content\/uploads\/2017\/03\/30032017150304-baotranAnh-8218-1490773611.jpg\" alt=\"\" width=\"500\" height=\"300\" srcset=\"https:\/\/casta.ttud.com.vn\/wp-content\/uploads\/2017\/03\/30032017150304-baotranAnh-8218-1490773611.jpg 500w, https:\/\/casta.ttud.com.vn\/wp-content\/uploads\/2017\/03\/30032017150304-baotranAnh-8218-1490773611-300x180.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>S\u1ef1 va ch\u1ea1m gi\u1eefa c\u00e1c c\u1ee5m thi\u00ean h\u00e0 c\u00f3 th\u1ec3 t\u1ea1o ra t\u1eeb tr\u01b0\u1eddng kh\u1ed5ng l\u1ed3. \u1ea2nh minh h\u1ecda: iStock.<\/p>\n<p>Nh\u00f3m nghi\u00ean c\u1ee9u t\u1ea1i Vi\u1ec7n thi\u00ean v\u0103n v\u00f4 tuy\u1ebfn Max Planck (MPIfR), \u0110\u1ee9c, ph\u00e1t hi\u1ec7n va ch\u1ea1m gi\u1eefa c\u00e1c c\u1ee5m thi\u00ean h\u00e0 trong v\u0169 tr\u1ee5 t\u1ea1o ra t\u1eeb tr\u01b0\u1eddng kh\u1ed5ng l\u1ed3. M\u1ed9t trong s\u1ed1 ch\u00fang tr\u1ea3i d\u00e0i h\u00e0ng tri\u1ec7u n\u0103m \u00e1nh s\u00e1ng v\u00e0 l\u1edbn h\u01a1n h\u00e0ng ch\u1ee5c l\u1ea7n so v\u1edbi d\u1ea3i Ng\u00e2n h\u00e0, theo International Business Times. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed Astronomy &amp; Astrophysics h\u00f4m 22\/3.<\/p>\n<p>&#8220;Ch\u00fang t\u00f4i ph\u00e1t hi\u1ec7n t\u1eeb tr\u01b0\u1eddng \u1ed5n \u0111\u1ecbnh l\u1edbn nh\u1ea5t trong v\u0169 tr\u1ee5, tr\u1ea3i r\u1ed9ng 5-6 tri\u1ec7u n\u0103m \u00e1nh s\u00e1ng&#8221;, Maja Kierdorf, t\u00e1c gi\u1ea3 ch\u00ednh c\u1ee7a nghi\u00ean c\u1ee9u, cho bi\u1ebft.<\/p>\n<p>Qu\u00e1 tr\u00ecnh va ch\u1ea1m gi\u1eefa c\u00e1c thi\u00ean h\u00e0 g\u00e2y ra s\u1ef1 n\u00e9n \u00e9p kh\u00ed gas n\u00f3ng, t\u1ea1o th\u00e0nh th\u1ee9 tr\u00f4ng gi\u1ed1ng h\u1ed3 quang \u0111i\u1ec7n g\u1ecdi l\u00e0 t\u00e0n t\u00edch (relic). K\u1ec3 t\u1eeb l\u1ea7n kh\u00e1m ph\u00e1 \u0111\u1ea7u ti\u00ean v\u00e0o n\u0103m 1970 cho \u0111\u1ebfn nay, t\u00e0n t\u00edch \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n trong h\u01a1n 70 c\u1ee5m thi\u00ean h\u00e0.<\/p>\n<p>C\u00e1c nh\u00e0 khoa h\u1ecdc s\u1eed d\u1ee5ng K\u00ednh thi\u00ean v\u0103n V\u00f4 tuy\u1ebfn Effelsberg kh\u1ed5ng l\u1ed3 t\u1ea1i \u0110\u1ee9c \u0111\u1ec3 ghi l\u1ea1i h\u00ecnh \u1ea3nh c\u1ee7a 4 t\u00e0n t\u00edch va ch\u1ea1m \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn nhi\u1ec1u nh\u1ea5t. M\u1ed9t trong s\u1ed1 \u0111\u00f3 l\u00e0 CIZA J2242+53.<\/p>\n<p>K\u1ebft qu\u1ea3 cho th\u1ea5y, t\u00e0n t\u00edch l\u00e0 nh\u1eefng c\u1ea5u tr\u00fac c\u00f3 t\u1ed5 ch\u1ee9c v\u00e0 s\u1ef1 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a c\u00e1c h\u1ea1t s\u1ebd t\u1ea1o ra t\u1eeb tr\u01b0\u1eddng kh\u1ed5ng l\u1ed3. H\u00ecnh d\u1ea1ng c\u0169ng nh\u01b0 m\u1eadt \u0111\u1ed9 c\u1ee7a t\u00e0n t\u00edch ch\u1ec9 ra c\u00e1c c\u1ee5m thi\u00ean h\u00e0 c\u00f3 th\u1ec3 va ch\u1ea1m v\u1edbi nhau \u1edf t\u1ed1c \u0111\u1ed9 tr\u00ean 2.000 km\/gi\u00e2y.<\/p>\n<p>&#8220;T\u1eeb tr\u01b0\u1eddng n\u00e0y c\u00f3 c\u00f9ng c\u01b0\u1eddng \u0111\u1ed9 nh\u01b0 trong d\u1ea3i Ng\u00e2n h\u00e0, nh\u01b0ng mang \u0111\u1ed9 ph\u00e2n c\u1ef1c \u0111\u1eb7c bi\u1ec7t cao, l\u00ean \u0111\u1ebfn 50%&#8221;, nh\u00f3m nghi\u00ean c\u1ee9u cho bi\u1ebft.<\/p>\n<p>K\u00ednh thi\u00ean v\u0103n Effelsberg trong t\u01b0\u01a1ng lai s\u1ebd l\u00e0 c\u00f4ng c\u1ee5 l\u00fd t\u01b0\u1edfng \u0111\u1ec3 ph\u00e1t hi\u1ec7n th\u00eam nhi\u1ec1u t\u1eeb tr\u01b0\u1eddng kh\u1ed5ng l\u1ed3 t\u01b0\u01a1ng t\u1ef1 trong v\u0169 tr\u1ee5. &#8220;Gi\u1edd \u0111\u00e2y ch\u00fang ta c\u00f3 th\u1ec3 t\u00ecm ki\u1ebfm t\u1eeb tr\u01b0\u1eddng \u1ed5n \u0111\u1ecbnh trong c\u00e1c c\u1ee5m thi\u00ean h\u00e0 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng s\u00f3ng v\u00f4 tuy\u1ebfn ph\u00e2n c\u1ef1c&#8221;, Rainer Beck, \u0111\u1ed3ng t\u00e1c gi\u1ea3 nghi\u00ean c\u1ee9u, n\u00f3i.<\/p>\n<p style=\"text-align: right;\"><em>L\u00ea H\u00f9ng<\/em><br \/>\n<em> Ngu\u1ed3n VnExpress<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1c nh\u00e0 khoa h\u1ecdc \u0110\u1ee9c ph\u00e1t hi\u1ec7n t\u1eeb tr\u01b0\u1eddng l\u1edbn nh\u1ea5t v\u0169 tr\u1ee5 \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi s\u1ef1 va ch\u1ea1m gi\u1eefa c\u00e1c c\u1ee5m thi\u00ean h\u00e0. S\u1ef1 va ch\u1ea1m gi\u1eefa c\u00e1c c\u1ee5m thi\u00ean h\u00e0 c\u00f3 th\u1ec3 t\u1ea1o ra t\u1eeb tr\u01b0\u1eddng kh\u1ed5ng l\u1ed3. \u1ea2nh minh h\u1ecda: iStock. Nh\u00f3m nghi\u00ean c\u1ee9u t\u1ea1i Vi\u1ec7n thi\u00ean v\u0103n v\u00f4 tuy\u1ebfn Max [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":6729,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-5654","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\/5654","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=5654"}],"version-history":[{"count":2,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/5654\/revisions"}],"predecessor-version":[{"id":6730,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/5654\/revisions\/6730"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/6729"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=5654"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=5654"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=5654"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}