![\"alt\"](\"http:\/\/khoahocvacongnghevietnam.com.vn\/images\/stories\/thang-11-2017\/711-phathien.jpg\")
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M\u1ed9t nh\u00f3m nh\u00e0 thi\u00ean v\u0103n h\u1ecdc \u0111\u00e3 ph\u00e1t hi\u1ec7n d\u1ea5u v\u1ebft c\u1ee7a c\u00e1c \u0111\u00e1m m\u00e2y h\u00ecnh th\u00e0nh t\u1eeb b\u1ee5i v\u0169 tr\u1ee5 l\u1ea1nh bao quanh h\u00e0nh tinh Proxima b \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n n\u0103m 2016, c\u00f3 k\u00edch c\u1ee1 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng Tr\u00e1i \u0111\u1ea5t v\u00e0 n\u1eb1m g\u1ea7n nh\u1ea5t v\u1edbi H\u1ec7 M\u1eb7t tr\u1eddi. T\u1eeb ph\u00e1t hi\u1ec7n n\u00e0y, c\u00e1c nh\u00e0 khoa h\u1ecdc nh\u1eadn \u0111\u1ecbnh c\u00f3 th\u1ec3 c\u00f2n nhi\u1ec1u h\u00e0nh tinh khu\u1ea5t ch\u01b0a \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y.<\/p>\n
Theo Tr\u01b0\u1edfng nh\u00f3m nghi\u00ean c\u1ee9u Guillem Anglada, vi\u1ec7c ph\u00e1t hi\u1ec7n \u0111\u00e1m m\u00e2y b\u1ee5i v\u0169 tr\u1ee5 l\u00e0 \u0111i\u1ec1u quan tr\u1ecdng b\u1edfi sau khi ph\u00e1t hi\u1ec7n h\u00e0nh tinh Proxima b, \u0111\u00e2y l\u00e0 d\u1ea5u hi\u1ec7u \u0111\u1ea7u ti\u00ean v\u1ec1 s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a m\u1ed9t h\u1ec7 h\u00e0nh tinh ph\u1ee9c t\u1ea1p, kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t h\u00e0nh tinh \u0111\u01a1n l\u1ebb, quanh ng\u00f4i sao g\u1ea7n nh\u1ea5t v\u1edbi H\u1ec7 M\u1eb7t tr\u1eddi.<\/p>\n
D\u1eef li\u1ec7u t\u1eeb \u0110\u00e0i quan s\u00e1t Atacama Large Millimeter Array (ALMA) cho bi\u1ebft, m\u00e2y b\u1ee5i d\u01b0\u1eddng nh\u01b0 n\u1eb1m trong m\u1ed9t v\u00e0nh \u0111ai r\u1ed9ng v\u00e0i tr\u0103m tri\u1ec7u km t\u1eeb Proxima Centauri – m\u1ed9t sao l\u00f9n \u0111\u1ecf m\u1edd n\u1eb1m c\u00e1ch ch\u00f2m sao Nh\u00e2n m\u00e3 (Centaurus) 4 n\u0103m \u00e1nh s\u00e1ng v\u1ec1 ph\u00eda Nam. T\u1ed5ng kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a v\u00e0nh \u0111ai b\u1ee5i n\u00e0y t\u01b0\u01a1ng \u0111\u01b0\u01a1ng kho\u1ea3ng 1\/100 kh\u1ed1i l\u01b0\u1ee3ng Tr\u00e1i \u0111\u1ea5t, c\u00f3 nhi\u1ec7t \u0111\u1ed9 kho\u1ea3ng -230 \u0111\u1ed9 C, l\u1ea1nh nh\u01b0 v\u00e0nh \u0111ai Kuiper b\u00ean ngo\u00e0i H\u1ec7 M\u1eb7t tr\u1eddi.<\/p>\n
V\u00e0nh \u0111ai b\u1ee5i l\u00e0 nh\u1eefng g\u00ec c\u00f2n l\u1ea1i c\u1ee7a v\u1eadt ch\u1ea5t v\u1ed1n kh\u00f4ng t\u1ea1o ra c\u00e1c v\u1eadt th\u1ec3 l\u1edbn h\u01a1n nh\u01b0 h\u00e0nh tinh. Nh\u1eefng vi\u00ean \u0111\u00e1 v\u00e0 b\u0103ng tr\u00ean c\u00e1c v\u00e0nh \u0111ai b\u1ee5i n\u00e0y c\u00f3 c\u00e1c k\u00edch c\u1ee1 kh\u00e1c nhau, t\u1eeb h\u1ea1t b\u1ee5i nh\u1ecf nh\u1ea5t v\u1edbi \u0111\u01b0\u1eddng k\u00edch ch\u01b0a \u0111\u1ea7y 1 mm \u0111\u1ebfn c\u00e1c ti\u1ec3u h\u00e0nh tinh c\u00f3 \u0111\u01b0\u1eddng k\u00ednh nhi\u1ec1u km.<\/p>\n
C\u00e1c nh\u00e0 thi\u00ean v\u0103n h\u1ecdc cho r\u1eb1ng vi\u1ec7c ph\u00e1t hi\u1ec7n c\u00e1c c\u1ea5u tr\u00fac b\u1ee5i xoay quanh Proxima n\u00eau tr\u00ean m\u1edbi ch\u1ec9 l\u00e0 b\u01b0\u1edbc kh\u1edfi \u0111\u1ea7u v\u00e0 vi\u1ec7c ti\u1ebfp t\u1ee5c quan s\u00e1t s\u1ebd cho gi\u1edbi khoa h\u1ecdc m\u1ed9t b\u1ee9c tranh chi ti\u1ebft h\u01a1n v\u1ec1 h\u1ec7 h\u00e0nh tinh Proxima.<\/p>\n
Theo c\u00e1c nh\u00e0 thi\u00ean v\u0103n, vi\u1ec7c k\u1ebft h\u1ee3p nghi\u00ean c\u1ee9u c\u00e1c \u0111\u0129a ti\u1ec1n h\u00e0nh tinh quanh c\u00e1c ng\u00f4i sao tr\u1ebb s\u1ebd ti\u1ebft l\u1ed9 nhi\u1ec1u th\u00f4ng tin v\u1ec1 vi\u1ec7c h\u00ecnh th\u00e0nh Tr\u00e1i \u0111\u1ea5t v\u00e0 H\u1ec7 M\u1eb7t tr\u1eddi c\u00e1ch \u0111\u00e2y kho\u1ea3ng 4,6 t\u1ef7 n\u0103m.<\/p>\n
(B\u00e1o Tin T\u1ee9c)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":" M\u1ed9t nh\u00f3m nh\u00e0 thi\u00ean v\u0103n h\u1ecdc \u0111\u00e3 ph\u00e1t hi\u1ec7n d\u1ea5u v\u1ebft c\u1ee7a c\u00e1c \u0111\u00e1m m\u00e2y h\u00ecnh th\u00e0nh t\u1eeb b\u1ee5i v\u0169 tr\u1ee5 l\u1ea1nh bao quanh h\u00e0nh tinh Proxima b \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n n\u0103m 2016, c\u00f3 k\u00edch c\u1ee1 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng Tr\u00e1i \u0111\u1ea5t v\u00e0 n\u1eb1m g\u1ea7n nh\u1ea5t v\u1edbi H\u1ec7 M\u1eb7t tr\u1eddi. T\u1eeb ph\u00e1t hi\u1ec7n n\u00e0y, c\u00e1c nh\u00e0 khoa […]<\/p>\n","protected":false},"author":18,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-7808","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\/7808","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\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=7808"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/7808\/revisions"}],"predecessor-version":[{"id":7809,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/7808\/revisions\/7809"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=7808"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=7808"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=7808"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}