{"id":28332,"date":"2019-05-03T15:58:00","date_gmt":"2019-05-03T08:58:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=28332"},"modified":"2021-10-03T01:12:02","modified_gmt":"2021-10-02T18:12:02","slug":"vu-tru-gian-no-ngay-cang-nhanh","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/vu-tru-gian-no-ngay-cang-nhanh\/","title":{"rendered":"V\u0169 tr\u1ee5 gi\u00e3n n\u1edf ng\u00e0y c\u00e0ng nhanh"},"content":{"rendered":"\n<p><strong>M\u1ed9t nghi\u00ean c\u1ee9u \u0111\u1ed1i v\u1edbi v\u00e0i tr\u0103m ngh\u00ecn thi\u00ean h\u00e0 cho th\u1ea5y t\u1ed1c \u0111\u1ed9 ph\u00ecnh ra c\u1ee7a v\u0169 tr\u1ee5 t\u0103ng d\u1ea7n theo th\u1eddi gian.<\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ttud.com.vn\/wp-content\/uploads\/2021\/10\/image-31.png\" alt=\"\" class=\"wp-image-28333\" width=\"540\" height=\"405\" srcset=\"https:\/\/casta.ttud.com.vn\/wp-content\/uploads\/2021\/10\/image-31.png 448w, https:\/\/casta.ttud.com.vn\/wp-content\/uploads\/2021\/10\/image-31-300x225.png 300w\" sizes=\"auto, (max-width: 540px) 100vw, 540px\" \/><\/figure><\/div>\n\n\n\n<p><em>Telegraph&nbsp;<\/em>cho bi\u1ebft, h\u01a1n 100 nh\u00e0 khoa h\u1ecdc t\u1eeb nhi\u1ec1u n\u01b0\u1edbc \u0111\u00e3 s\u1eed d\u1ee5ng k\u00ednh thi\u00ean v\u0103n kh\u00f4ng gian Hubble \u0111\u1ec3 theo d\u00f5i 446.000 thi\u00ean h\u00e0 nh\u1eb1m t\u00ecm hi\u1ec3u v\u1eadt ch\u1ea5t ph\u00e2n b\u1ed1 nh\u01b0 th\u1ebf n\u00e0o trong v\u0169 tr\u1ee5 v\u00e0 t\u1ed1c \u0111\u1ed9 gi\u00e3n n\u1edf c\u1ee7a v\u1eadt ch\u1ea5t. \u0110\u00e2y l\u00e0 m\u1ed9t ph\u1ea7n trong d\u1ef1 \u00e1n mang t\u00ean Kh\u1ea3o s\u00e1t s\u1ef1 ti\u1ebfn h\u00f3a c\u1ee7a v\u0169 tr\u1ee5 do C\u01a1 quan V\u0169 tr\u1ee5 ch\u00e2u \u00c2u v\u00e0 C\u01a1 quan H\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 M\u1ef9 th\u1ef1c hi\u1ec7n.<\/p>\n\n\n\n<p>\u0110\u1ec3 kh\u1ea3o s\u00e1t, m\u1ed9t camera tr\u00ean k\u00ednh thi\u00ean v\u0103n kh\u00f4ng gian Hubble ch\u1ee5p 575 b\u1ee9c \u1ea3nh c\u1ee7a v\u00f9ng kh\u00f4ng gian ch\u1ee9a 446.000 thi\u00ean h\u00e0. Qu\u00e1 tr\u00ecnh ch\u1ee5p di\u1ec5n ra trong kho\u1ea3ng g\u1ea7n 1.000 gi\u1edd. Trong kho\u1ea3ng th\u1eddi gian \u0111\u00f3 Hubble di chuy\u1ec3n g\u1ea7n 600 l\u1ea7n quanh tr\u00e1i \u0111\u1ea5t. \u0110\u00e2y l\u00e0 cu\u1ed9c kh\u1ea3o s\u00e1t l\u1edbn nh\u1ea5t m\u00e0 c\u00e1c nh\u00e0 khoa h\u1ecdc t\u1eebng th\u1ef1c hi\u1ec7n v\u1edbi k\u00ednh Hubble.<\/p>\n\n\n\n<p>Nh\u1edd m\u1ed9t k\u1ef9 thu\u1eadt gi\u1ed1ng nh\u01b0 ch\u1ee5p X quang, c\u00e1c nh\u00e0 khoa h\u1ecdc c\u00f3 th\u1ec3 quan s\u00e1t c\u00e1ch th\u1ee9c \u00e1nh s\u00e1ng t\u1eeb nh\u1eefng thi\u00ean h\u00e0 xa x\u00f4i b\u1ecb b\u1ebb cong v\u00e0 bi\u1ebfn d\u1ea1ng b\u1edfi v\u1eadt ch\u1ea5t t\u1ed1i khi n\u00f3 lan truy\u1ec1n t\u1edbi tr\u00e1i \u0111\u1ea5t. Sau \u0111\u00f3 h\u1ecd c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh nh\u1eefng c\u1ea5u tr\u00fac c\u1ee7a v\u1eadt ch\u1ea5t t\u1ed1i \u2013 th\u1ee9 chi\u1ebfm t\u1edbi 80% v\u0169 tr\u1ee5.<\/p>\n\n\n\n<p>K\u1ebft qu\u1ea3 cho th\u1ea5y t\u1ed1c \u0111\u1ed9 gi\u00e3n n\u1edf c\u1ee7a v\u0169 tr\u1ee5 \u0111ang t\u0103ng d\u1ea7n theo th\u1eddi gian, \u0111\u00fang nh\u01b0 d\u1ef1 \u0111o\u00e1n c\u1ee7a nh\u00e0 v\u1eadt l\u00fd thi\u00ean t\u00e0i Robert Einstein trong thuy\u1ebft t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a \u00f4ng.<\/p>\n\n\n\n<p>Gi\u1edbi khoa h\u1ecdc kh\u1eb3ng \u0111\u1ecbnh v\u0169 tr\u1ee5 \u0111\u01b0\u1ee3c t\u1ea1o n\u00ean b\u1edfi ba th\u00e0nh ph\u1ea7n: v\u1eadt ch\u1ea5t th\u00f4ng th\u01b0\u1eddng, v\u1eadt ch\u1ea5t t\u1ed1i v\u00e0 n\u0103ng l\u01b0\u1ee3ng t\u1ed1i. V\u1eadt ch\u1ea5t th\u00f4ng th\u01b0\u1eddng l\u00e0 nh\u1eefng v\u1eadt th\u1ec3 nh\u01b0 h\u00e0nh tinh, sao. V\u1eadt ch\u1ea5t t\u1ed1i l\u00e0 lo\u1ea1i v\u1eadt ch\u1ea5t kh\u00f4ng nh\u00ecn th\u1ea5y v\u00e0 t\u1ea1o n\u00ean l\u1ef1c h\u1ea5p d\u1eabn \u0111\u1ec3 t\u1ea1o th\u00e0nh thi\u00ean h\u00e0. N\u0103ng l\u01b0\u1ee3ng t\u1ed1i t\u1ea1o n\u00ean l\u1ef1c khi\u1ebfn v\u0169 tr\u1ee5 gi\u00e3n n\u1edf.<\/p>\n\n\n\n<p>Thuy\u1ebft t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a Einstein kh\u1eb3ng \u0111\u1ecbnh kh\u00f4ng gian v\u00e0 th\u1eddi gian l\u00e0 m\u1ed9t c\u1ea5u tr\u00fac h\u00ecnh h\u1ecdc c\u00f3 th\u1ec3 thay \u0111\u1ed5i b\u1edfi ho\u1ea1t \u0111\u1ed9ng c\u1ee7a v\u1eadt ch\u1ea5t b\u00ean trong n\u00f3.<\/p>\n\n\n\n<p>Ludovic Van Waerbeke, m\u1ed9t chuy\u00ean gia v\u1eadt l\u00fd v\u00e0 thi\u00ean v\u0103n thu\u1ed9c \u0110\u1ea1i h\u1ecdc Leiden, H\u00e0 Lan v\u00e0 c\u0169ng tham gia cu\u1ed9c kh\u1ea3o s\u00e1t, ph\u00e1t bi\u1ec3u: \u201cK\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u c\u1ee7a ch\u00fang t\u00f4i x\u00e1c nh\u1eadn c\u00f3 m\u1ed9t d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng m\u00e0 con ng\u01b0\u1eddi ch\u01b0a bi\u1ebft khi\u1ebfn t\u1ed1c \u0111\u1ed9 gi\u00e3n n\u1edf c\u1ee7a v\u0169 tr\u1ee5 t\u0103ng d\u1ea7n. S\u1ef1 t\u0103ng t\u1ed1c \u0111\u00f3 khi\u1ebfn v\u1eadt ch\u1ea5t t\u1ed1i gi\u00e3n ra nhi\u1ec1u h\u01a1n, \u0111\u00fang nh\u01b0 l\u1eadp lu\u1eadn c\u1ee7a Einstein\u201d.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u1ed9t nghi\u00ean c\u1ee9u \u0111\u1ed1i v\u1edbi v\u00e0i tr\u0103m ngh\u00ecn thi\u00ean h\u00e0 cho th\u1ea5y t\u1ed1c \u0111\u1ed9 ph\u00ecnh ra c\u1ee7a v\u0169 tr\u1ee5 t\u0103ng d\u1ea7n theo th\u1eddi gian. Telegraph&nbsp;cho bi\u1ebft, h\u01a1n 100 nh\u00e0 khoa h\u1ecdc t\u1eeb nhi\u1ec1u n\u01b0\u1edbc \u0111\u00e3 s\u1eed d\u1ee5ng k\u00ednh thi\u00ean v\u0103n kh\u00f4ng gian Hubble \u0111\u1ec3 theo d\u00f5i 446.000 thi\u00ean h\u00e0 nh\u1eb1m t\u00ecm hi\u1ec3u v\u1eadt ch\u1ea5t ph\u00e2n [&hellip;]<\/p>\n","protected":false},"author":25,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-28332","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\/28332","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\/25"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=28332"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28332\/revisions"}],"predecessor-version":[{"id":28334,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28332\/revisions\/28334"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=28332"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=28332"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=28332"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}