{"id":28729,"date":"2019-08-01T20:50:00","date_gmt":"2019-08-01T13:50:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=28729"},"modified":"2021-10-03T20:51:36","modified_gmt":"2021-10-03T13:51:36","slug":"nghien-cuu-moi-khang-dinh-thuyet-tuong-doi","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/nghien-cuu-moi-khang-dinh-thuyet-tuong-doi\/","title":{"rendered":"Nghi\u00ean c\u1ee9u m\u1edbi kh\u1eb3ng \u0111\u1ecbnh thuy\u1ebft t\u01b0\u01a1ng \u0111\u1ed1i"},"content":{"rendered":"\n<p>GD&amp;T\u0110 &#8211; Thuy\u1ebft t\u01b0\u01a1ng \u0111\u1ed1i r\u1ed9ng c\u1ee7a Einstein l\u00e0 c\u01a1 s\u1edf cho s\u1ef1 hi\u1ec3u bi\u1ebft c\u1ee7a ch\u00fang ta v\u1ec1 v\u0169 tr\u1ee5. Thuy\u1ebft c\u0169ng c\u00f3 nh\u1eefng h\u1ea1n ch\u1ebf v\u00e0 c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 th\u1eed nghi\u1ec7m thuy\u1ebft n\u00e0y trong 100 n\u0103m nay. Nh\u1eefng nghi\u00ean c\u1ee9u m\u1edbi nh\u1ea5t d\u1ef1a tr\u00ean c\u00e1c quan s\u00e1t \u0111\u1ed1i v\u1edbi si\u00eau l\u1ed7 \u0111en Sagittarius A* n\u1eb1m \u1edf trung t\u00e2m D\u1ea3i Ng\u00e2n h\u00e0 \u0111\u00e3 kh\u1eb3ng \u0111\u1ecbnh t\u00ednh \u0111\u00fang \u0111\u1eafn c\u1ee7a thuy\u1ebft n\u00e0y.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/images.giaoducthoidai.vn\/Uploaded\/thuyvt\/2019-08-01\/183\/182\/a2-tr14-JIQQ.jpg\" alt=\"Nghi\u00ean c\u1ee9u m\u1edbi kh\u1eb3ng \u0111\u1ecbnh thuy\u1ebft t\u01b0\u01a1ng \u0111\u1ed1i\"\/><\/figure>\n\n\n\n<p>Ng\u00f4i sao S0-2 quay quanh si\u00eau l\u1ed7 \u0111en Sagittarius A* \u1edf kho\u1ea3ng c\u00e1ch 17 t\u1ef7 km. Qu\u1ef9 \u0111\u1ea1o c\u1ee7a ng\u00f4i sao n\u00e0y l\u00e0 \u1ed5n \u0111\u1ecbnh, tuy nhi\u00ean tr\u01b0\u1eddng h\u1ea5p d\u1eabn m\u1ea1nh c\u1ee7a n\u00f3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng d\u1ecbch chuy\u1ec3n \u0111\u1ecf &#8211; c\u00f3 ngh\u0129a l\u00e0 trong qu\u00e1 tr\u00ecnh quan s\u00e1t, ph\u1ed5 c\u1ee7a ng\u00f4i sao tr\u1edf n\u00ean \u0111\u1ecf h\u01a1n so v\u1edbi th\u1ef1c ch\u1ea5t.<video controls=\"\" width=\"640\" height=\"360\" muted=\"\" autoplay=\"\"><\/video>X<a href=\"https:\/\/urekamedia.com\/\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><\/p>\n\n\n\n<p>Di chuy\u1ec3n g\u1ea7n l\u1ed7 \u0111en c\u1ee7a ng\u00f4i sao S0-2 di\u1ec5n ra g\u1ea7n nh\u1ea5t l\u00e0 v\u00e0o n\u0103m 2008. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c kh\u1eb3ng \u0111\u1ecbnh b\u1edfi hi\u1ec7n t\u01b0\u1ee3ng d\u1ecbch chuy\u1ec3n \u0111\u1ecf. Nh\u1eefng quan s\u00e1t m\u1edbi k\u1ebft h\u1ee3p v\u1edbi c\u00e1c d\u1eef li\u1ec7u t\u1eeb n\u0103m 1995 cho k\u1ebft qu\u1ea3 ph\u00f9 h\u1ee3p v\u1edbi Thuy\u1ebft t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a Einstein, \u0111\u1ed3ng th\u1eddi ph\u1ee7 nh\u1eadn m\u00f4 h\u00ecnh tr\u01b0\u1eddng h\u1ea5p d\u1eabn c\u1ee7a Newton.<\/p>\n\n\n\n<p>\u201cEinstein c\u00f3 l\u00fd. Ch\u00fang ta c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf \u0111\u1ecbnh lu\u1eadt h\u1ea5p d\u1eabn c\u1ee7a Newton. C\u00e1c quan s\u00e1t c\u1ee7a ch\u00fang t\u00f4i ph\u00f9 h\u1ee3p v\u1edbi Thuy\u1ebft t\u01b0\u01a1ng \u0111\u1ed1i r\u1ed9ng c\u1ee7a Einstein. Tuy nhi\u00ean thuy\u1ebft c\u1ee7a Einstein c\u0169ng c\u00f3 nh\u01b0\u1ee3c \u0111i\u1ec3m. Ch\u00fang ta kh\u00f4ng th\u1ec3 d\u00f9ng thuy\u1ebft n\u00e0y \u0111\u1ec3 gi\u1ea3i th\u00edch tr\u1ecdng tr\u01b0\u1eddng b\u00ean trong l\u1ed7 \u0111en; m\u00e0 \u0111\u1ebfn m\u1ed9t l\u00fac n\u00e0o \u0111\u00f3 ch\u00fang ta s\u1ebd ph\u1ea3i t\u00ecm c\u00e1ch gi\u1ea3i th\u00edch kh\u00e1c \u0111\u1ec3 l\u00e0m r\u00f5 c\u00e2u h\u1ecfi l\u1ed7 \u0111en l\u00e0 g\u00ec\u201d \u2013 n\u1eef gi\u00e1o s\u01b0 Andrea Ghez \u1edf \u0110H California t\u1ea1i Los Angeles (M\u1ef9) cho bi\u1ebft nh\u01b0 v\u1eady.<\/p>\n\n\n\n<p>Vi\u1ec7c theo d\u00f5i ng\u00f4i sao S0-2 trong m\u1ed9t th\u1eddi gian d\u00e0i mang l\u1ea1i cho c\u00e1c nh\u00e0 khoa h\u1ecdc nh\u1eefng th\u00f4ng tin qu\u00fd gi\u00e1 v\u1ec1 vai tr\u00f2 c\u1ee7a \u0111\u1ed9ng l\u1ef1c h\u1ecdc h\u1ea5p d\u1eabn xung quanh l\u1ed7 \u0111en. Trong qu\u00e1 tr\u00ecnh ng\u00f4i sao S0-2 di chuy\u1ec3n \u0111\u1ebfn g\u1ea7n l\u1ed7 \u0111en, c\u1ee9 4 \u0111\u00eam 1 l\u1ea7n nh\u00f3m nghi\u00ean c\u1ee9u c\u1ee7a b\u00e0 Ghez \u0111\u00e3 th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p \u0111o.<\/p>\n\n\n\n<p>\u201c\u0110i\u1ec1u kh\u00e1c th\u01b0\u1eddng \u1edf S0-2 l\u00e0 m\u1ed9t qu\u1ef9 \u0111\u1ea1o \u0111\u1ea7y \u0111\u1ee7 di\u1ec5n ra trong 3 chi\u1ec1u. Ch\u00ednh \u0111i\u1ec1u n\u00e0y \u0111\u00e3 cho ch\u00fang t\u00f4i c\u01a1 h\u1ed9i th\u1eed nghi\u1ec7m Thuy\u1ebft t\u01b0\u01a1ng \u0111\u1ed1i r\u1ed9ng. Ch\u00fang t\u00f4i \u0111\u1eb7t c\u00e2u h\u1ecfi tr\u01b0\u1eddng h\u1ea5p d\u1eabn h\u00e0nh x\u1eed nh\u01b0 th\u1ebf n\u00e0o \u1edf khu v\u1ef1c g\u1ea7n l\u1ed7 \u0111en v\u00e0 li\u1ec7u thuy\u1ebft c\u1ee7a Einstein c\u00f3 \u0111\u00fang kh\u00f4ng\u201d \u2013 b\u00e0 Ghez cho bi\u1ebft.<\/p>\n\n\n\n<p>\u0110i\u1ec1u th\u00fa v\u1ecb l\u00e0 S0-2 kh\u00f4ng ph\u1ea3i l\u00e0 ng\u00f4i sao duy nh\u1ea5t quay g\u1ea7n l\u1ed7 \u0111en Sagittarius A*. V\u00e0o n\u0103m 2012, nh\u00f3m nghi\u00ean c\u1ee9u c\u1ee7a GS Ghez c\u00f2n ph\u00e1t hi\u1ec7n ng\u00f4i sao c\u00f3 k\u00fd hi\u1ec7u S0-102 quay quanh l\u1ed7 \u0111en Sagittarius A* \u1edf kho\u1ea3ng c\u00e1ch 11,5 n\u0103m \u00e1nh s\u00e1ng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>GD&amp;T\u0110 &#8211; Thuy\u1ebft t\u01b0\u01a1ng \u0111\u1ed1i r\u1ed9ng c\u1ee7a Einstein l\u00e0 c\u01a1 s\u1edf cho s\u1ef1 hi\u1ec3u bi\u1ebft c\u1ee7a ch\u00fang ta v\u1ec1 v\u0169 tr\u1ee5. Thuy\u1ebft c\u0169ng c\u00f3 nh\u1eefng h\u1ea1n ch\u1ebf v\u00e0 c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 th\u1eed nghi\u1ec7m thuy\u1ebft n\u00e0y trong 100 n\u0103m nay. Nh\u1eefng nghi\u00ean c\u1ee9u m\u1edbi nh\u1ea5t d\u1ef1a tr\u00ean c\u00e1c quan s\u00e1t \u0111\u1ed1i v\u1edbi si\u00eau l\u1ed7 [&hellip;]<\/p>\n","protected":false},"author":23,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-28729","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\/28729","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\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=28729"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28729\/revisions"}],"predecessor-version":[{"id":28732,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28729\/revisions\/28732"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=28729"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=28729"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=28729"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}