{"id":4328,"date":"2015-10-27T14:06:28","date_gmt":"2015-10-27T07:06:28","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=4328"},"modified":"2017-09-28T23:30:30","modified_gmt":"2017-09-28T16:30:30","slug":"qua-trinh-mot-ngoi-sao-bi-hut-vao-lo-den","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/qua-trinh-mot-ngoi-sao-bi-hut-vao-lo-den\/","title":{"rendered":"Qu\u00e1 tr\u00ecnh m\u1ed9t ng\u00f4i sao b\u1ecb h\u00fat v\u00e0o l\u1ed7 \u0111en"},"content":{"rendered":"<p><strong>C\u01a1 quan H\u00e0ng kh\u00f4ng v\u00e0 V\u0169 tr\u1ee5 M\u1ef9 ( NASA) v\u1eeba \u0111\u0103ng t\u1ea3i m\u1ed9t \u0111o\u1ea1n video ng\u1eafn, cho th\u1ea5y qu\u00e1 tr\u00ecnh m\u1ed9t ng\u00f4i sao b\u1ecb x\u00e9 to\u1ea1c b\u1edfi l\u1ef1c h\u1ea5p d\u1eabn kh\u1ed5ng l\u1ed3 c\u1ee7a l\u1ed7 \u0111en n\u1ebfu kh\u00f4ng may \u0111\u1ebfn g\u1ea7n n\u00f3.<\/strong><\/p>\n<div id=\"attachment_4476\" style=\"width: 654px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-4476\" class=\"size-full wp-image-4476\" src=\"http:\/\/ttud.com.vn\/wp-content\/uploads\/2015\/10\/3525014_X-ray_tinhte.jpg\" alt=\"\" width=\"644\" height=\"427\" srcset=\"https:\/\/casta.ttud.com.vn\/wp-content\/uploads\/2015\/10\/3525014_X-ray_tinhte.jpg 644w, https:\/\/casta.ttud.com.vn\/wp-content\/uploads\/2015\/10\/3525014_X-ray_tinhte-600x398.jpg 600w, https:\/\/casta.ttud.com.vn\/wp-content\/uploads\/2015\/10\/3525014_X-ray_tinhte-300x199.jpg 300w\" sizes=\"auto, (max-width: 644px) 100vw, 644px\" \/><p id=\"caption-attachment-4476\" class=\"wp-caption-text\">Astronomers have observed material being blown away from a black hole after it tore a star apart, using a trio of X-ray telescopes. The artist&#8217;s illustration depicts material from a shredded star (reddish-orange streak) that is pulled towards the black hole. The X-ray spectrum obtained with Chandra (inset box) provides information about how material starts falling toward the black hole, plus evidence for a wind carrying some of the material away from the black hole.<\/p><\/div>\n<p>C\u01a1 quan H\u00e0ng kh\u00f4ng v\u00e0 V\u0169 tr\u1ee5 M\u1ef9 ( NASA) v\u1eeba \u0111\u0103ng t\u1ea3i m\u1ed9t \u0111o\u1ea1n video ng\u1eafn, cho th\u1ea5y qu\u00e1 tr\u00ecnh m\u1ed9t ng\u00f4i sao b\u1ecb x\u00e9 to\u1ea1c b\u1edfi l\u1ef1c h\u1ea5p d\u1eabn kh\u1ed5ng l\u1ed3 c\u1ee7a l\u1ed7 \u0111en n\u1ebfu kh\u00f4ng may \u0111\u1ebfn g\u1ea7n n\u00f3. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 &#8220;s\u1ef1 gi\u00e1n \u0111o\u1ea1n th\u1ee7y tri\u1ec1u&#8221;, x\u1ea3y ra khi m\u1ed9t s\u1ed1 c\u00e1c m\u1ea3nh v\u1ee1 c\u1ee7a ng\u00f4i sao b\u1ecb n\u00e9m v\u00e0o kh\u00f4ng gian, trong khi h\u1ea7u h\u1ebft ph\u1ea7n c\u00f2n l\u1ea1i n\u1eb1m xung quanh l\u1ed7 \u0111en v\u00e0 h\u00ecnh th\u00e0nh m\u1ed9t \u0111\u0129a kh\u00ed kh\u1ed5ng l\u1ed3.<\/p>\n<p>\u200b<\/p>\n<p><iframe loading=\"lazy\" title=\"NASA | Massive Black Hole Shreds Passing Star\" width=\"625\" height=\"352\" src=\"https:\/\/www.youtube.com\/embed\/hu6hIhW00Fk?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>Theo <em>The Verge,<\/em> \u0111o\u1ea1n video c\u1ee7a NASA \u0111\u00e3 minh h\u1ecda m\u1ed9t c\u00e1ch r\u1ea5t th\u1ef1c v\u1ec1 s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa m\u1ed9t ng\u00f4i sao v\u00e0 h\u1ed1 \u0111en, \u0111ang \u0111\u01b0\u1ee3c quan s\u00e1t b\u1edfi ba k\u00ednh thi\u00ean v\u0103n tia X kh\u00e1c nhau. Ng\u00f4i sao \u2018x\u1ea5u s\u1ed1\u2019 m\u00e0 ch\u00fang ta \u0111\u1ec1 c\u1eadp n\u00e3y gi\u1edd ch\u00ednh l\u00e0 ASASSN-14li, v\u1ed1n n\u1eb1m \u1edf thi\u00ean h\u00e0 c\u00e1ch Tr\u00e1i \u0110\u1ea5t kho\u1ea3ng 290 tri\u1ec7u n\u0103m \u00e1nh s\u00e1ng. C\u00e1c nh\u00e0 thi\u00ean v\u0103n ngh\u0129 r\u1eb1ng ASASSN-14li c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng g\u1ea5p v\u00e0i tri\u1ec7u l\u1ea7n m\u1eb7t tr\u1eddi c\u1ee7a ch\u00fang ta.<\/p>\n<p>Nh\u00f3m nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 quan s\u00e1t th\u1ea5y c\u00e1c m\u1ea3nh v\u1ee1 d\u1ea1ng h\u00ecnh \u0111\u0129a c\u1ee7a ng\u00f4i sao xung quanh l\u1ed7 \u0111en b\u1eb1ng c\u00e1ch nh\u00ecn v\u00e0o h\u00ecnh \u1ea3nh X-quang c\u1ee7a ASASSN-14li. Khi h\u1ed1 \u0111en ph\u00e1 h\u1ee7y c\u00e1c ng\u00f4i sao \u0111i qua n\u00f3, nh\u1eefng m\u1ea3nh v\u1ee1 r\u01a1i v\u00e0o h\u1ed1 \u0111\u01b0\u1ee3c nung n\u00f3ng l\u00ean \u0111\u1ebfn h\u00e0ng tri\u1ec7u \u0111\u1ed9 v\u00e0 r\u1ef1c r\u1ee1 v\u1edbi \u00e1nh s\u00e1ng c\u1ee7a tia X. Ngo\u00e0i ra, ba k\u00ednh thi\u00ean v\u0103n (bao g\u1ed3m c\u1ea3 Chandra X-ray c\u1ee7a NASA) c\u0169ng ghi nh\u1eadn s\u1ef1 s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a nh\u1eefng c\u01a1n gi\u00f3 m\u1ea1nh \u0111\u00e3 d\u1ecbch chuy\u1ec3n ra ngo\u00e0i t\u1eeb l\u1ed7 \u0111en, sau khi \u2018t\u00e0n s\u00e1t\u2019 ng\u00f4i sao. Nguy\u00ean nh\u00e2n l\u00e0 do c\u00e1c m\u1ea3nh v\u1ee1 b\u1ecb nung n\u00f3i l\u00fac n\u00e3y b\u1ecb t\u1ed1ng ra ngo\u00e0i v\u1edbi t\u1ed1c \u0111\u1ed9 si\u00eau cao.<\/p>\n<p>\u0110\u1ebfn qu\u00e1 g\u1ea7n m\u1ed9t l\u1ed7 \u0111en l\u00e0 tin c\u1ef1c x\u1ea5u \u0111\u1ed1i v\u1edbi b\u1ea5t c\u1ee9 th\u1ee9 g\u00ec, c\u00e1c nh\u00e0 khoa h\u1ecdc c\u1ea3nh b\u00e1o. Kh\u00f4ng c\u00f3 g\u00ec c\u00f3 th\u1ec3 tho\u00e1t kh\u1ecfi l\u1ef1c h\u1ea5p d\u1eabn c\u1ee7a n\u00f3, th\u1eadm ch\u00ed \u00e1nh s\u00e1ng. M\u1ed9t s\u1ed1 chuy\u00ean gia \u0111\u00e3 \u0111\u01b0a ra gi\u1ea3 thuy\u1ebft r\u1eb1ng n\u1ebfu m\u1ed9t ng\u01b0\u1eddi kh\u00f4ng may r\u01a1i v\u00e0o l\u1ed7 \u0111en, h\u1ecd s\u1ebd tr\u00f4ng gi\u1ed1ng nh\u01b0 \u201ckem \u0111\u00e1nh r\u0103ng khi b\u1ecb \u0111\u00f9n ra kh\u1ecfi tu\u00fdp\u201d, tr\u01b0\u1edbc khi ph\u00e2n t\u00e1n th\u00e0nh nhi\u1ec1u h\u1ea1t h\u1ea1 nguy\u00ean t\u1eed.<\/p>\n<p style=\"text-align: right;\"><strong>Ngu\u1ed3n: NASA\u200b<\/strong><\/p>\n<p style=\"text-align: right;\"><em>Ngu\u1ed3n tinhte.vn<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u01a1 quan H\u00e0ng kh\u00f4ng v\u00e0 V\u0169 tr\u1ee5 M\u1ef9 ( NASA) v\u1eeba \u0111\u0103ng t\u1ea3i m\u1ed9t \u0111o\u1ea1n video ng\u1eafn, cho th\u1ea5y qu\u00e1 tr\u00ecnh m\u1ed9t ng\u00f4i sao b\u1ecb x\u00e9 to\u1ea1c b\u1edfi l\u1ef1c h\u1ea5p d\u1eabn kh\u1ed5ng l\u1ed3 c\u1ee7a l\u1ed7 \u0111en n\u1ebfu kh\u00f4ng may \u0111\u1ebfn g\u1ea7n n\u00f3. C\u01a1 quan H\u00e0ng kh\u00f4ng v\u00e0 V\u0169 tr\u1ee5 M\u1ef9 ( NASA) v\u1eeba \u0111\u0103ng t\u1ea3i [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":4476,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-4328","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\/4328","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=4328"}],"version-history":[{"count":3,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/4328\/revisions"}],"predecessor-version":[{"id":4478,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/4328\/revisions\/4478"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/4476"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=4328"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=4328"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=4328"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}