{"id":5820,"date":"2016-08-31T18:30:12","date_gmt":"2016-08-31T11:30:12","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=5820"},"modified":"2017-10-03T10:03:15","modified_gmt":"2017-10-03T03:03:15","slug":"ban-sao-trai-dat-chi-cach-he-mat-troi-4-nam-anh-sang","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/ban-sao-trai-dat-chi-cach-he-mat-troi-4-nam-anh-sang\/","title":{"rendered":"‘B\u1ea3n sao Tr\u00e1i \u0110\u1ea5t’ ch\u1ec9 c\u00e1ch h\u1ec7 M\u1eb7t Tr\u1eddi 4 n\u0103m \u00e1nh s\u00e1ng"},"content":{"rendered":"

C\u00e1c nh\u00e0 khoa h\u1ecdc qu\u1ed1c t\u1ebf ph\u00e1t hi\u1ec7n m\u1ed9t h\u00e0nh tinh \u0111\u00e1 c\u00f3 th\u1ec3 l\u00e0 n\u01a1i sinh s\u1ed1ng c\u1ee7a ng\u01b0\u1eddi ngo\u00e0i h\u00e0nh tinh v\u00e0 ch\u1ec9 c\u00e1ch Tr\u00e1i \u0110\u1ea5t 4 n\u0103m \u00e1nh s\u00e1ng.<\/strong><\/p>\n

\"\"<\/p>\n

Theo The Independent<\/em>, h\u00e0nh tinh m\u1edbi t\u00ecm th\u1ea5y t\u00ean Proxima b ch\u1ec9 l\u1edbn h\u01a1n Tr\u00e1i \u0110\u1ea5t \u0111\u00f4i ch\u00fat v\u00e0 quay quanh ng\u00f4i sao g\u1ea7n h\u1ec7 M\u1eb7t Tr\u1eddi nh\u1ea5t l\u00e0 Proxima Centauri. H\u00e0nh tinh n\u00e0y quy t\u1ee5 nh\u1eefng \u0111i\u1ec1u ki\u1ec7n g\u1ea7n nh\u01b0 ho\u00e0n h\u1ea3o \u0111\u1ec3 s\u1ef1 s\u1ed1ng ph\u00e1t tri\u1ec3n. Proxima b l\u00e0 h\u00e0nh tinh c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i s\u1ef1 s\u1ed1ng d\u1ec5 nghi\u00ean c\u1ee9u v\u00e0 t\u00ecm hi\u1ec3u nh\u1ea5t t\u1eeb tr\u01b0\u1edbc t\u1edbi nay do n\u1eb1m g\u1ea7n Tr\u00e1i \u0110\u1ea5t.<\/p>\n

V\u1edbi kho\u1ea3ng c\u00e1ch 4 n\u0103m \u00e1nh s\u00e1ng, c\u00e1c th\u1ebf h\u1ec7 t\u00e0u v\u0169 tr\u1ee5 trong t\u01b0\u01a1ng lai c\u00f3 th\u1ec3 mang robot th\u0103m d\u00f2 t\u1edbi Proxima b. \u0110\u00e2y c\u0169ng c\u00f3 th\u1ec3 l\u00e0 \u0111i\u1ec3m \u0111\u1ebfn m\u1edbi cho nh\u1eefng du kh\u00e1ch t\u1eeb Tr\u00e1i \u0110\u1ea5t.<\/p>\n

C\u00e1c nh\u00e0 khoa h\u1ecdc hy v\u1ecdng c\u00f3 th\u1ec3 kh\u00e1m ph\u00e1 Proxima b nhi\u1ec1u h\u01a1n v\u00e0 t\u00ecm ra s\u1ef1 s\u1ed1ng. Proxima b \u1edf g\u1ea7n ng\u00f4i sao m\u1eb9 h\u01a1n 5% so v\u1edbi Tr\u00e1i \u0110\u1ea5t v\u00e0 ch\u1ec9 m\u1ea5t 11,2 ng\u00e0y \u0111\u1ec3 ho\u00e0n th\u00e0nh m\u1ed9t v\u00f2ng qu\u1ef9 \u0111\u1ea1o. Nh\u01b0ng do Proxima Centauri m\u1edd h\u01a1n nhi\u1ec1u so v\u1edbi M\u1eb7t Tr\u1eddi, h\u00e0nh tinh v\u1eabn n\u1eb1m trong khu v\u1ef1c cho ph\u00e9p n\u01b0\u1edbc l\u1ecfng t\u1ed3n t\u1ea1i tr\u00ean b\u1ec1 m\u1eb7t v\u00e0 do \u0111\u00f3 c\u00f3 \u0111i\u1ec1u ki\u1ec7n ph\u00f9 h\u1ee3p h\u1ed7 tr\u1ee3 s\u1ef1 s\u1ed1ng ph\u00e1t tri\u1ec3n.<\/p>\n

Tuy nhi\u00ean, Proxima b h\u1ee9ng ch\u1ecbu nh\u1eefng tia c\u1ef1c t\u00edm v\u00e0 tia X c\u1ef1c m\u1ea1nh ph\u00e1t ra t\u1eeb ng\u00f4i sao m\u1eb9, khi\u1ebfn m\u00f4i tr\u01b0\u1eddng s\u1ed1ng tr\u00ean h\u00e0nh tinh n\u00e0y ch\u1ee9a \u0111\u1ea7y ph\u00f3ng x\u1ea1.
\nC\u00e1c nh\u00e0 khoa h\u1ecdc v\u1eabn kh\u00f4ng d\u00e1m ch\u1eafc nh\u1eefng h\u00e0nh tinh nh\u01b0 Proxima b th\u1ec3 tr\u1edf th\u00e0nh n\u01a1i sinh s\u1ed1ng hay kh\u00f4ng do t\u1ed3n t\u1ea1i nhi\u1ec1u tranh c\u00e3i v\u1ec1 kh\u1ea3 n\u0103ng duy tr\u00ec b\u1ea7u kh\u00ed quy\u1ec3n v\u00e0 n\u01b0\u1edbc l\u1ecfng c\u1ee7a ch\u00fang. H\u1ecd c\u1ea7n nghi\u00ean c\u1ee9u s\u00e2u h\u01a1n \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n b\u1ea7u kh\u00ed quy\u1ec3n c\u1ee7a h\u00e0nh tinh n\u00e0y.<\/p>\n

Proxima b \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n th\u00f4ng qua d\u1eef li\u1ec7u v\u1ec1 hi\u1ec7u \u1ee9ng Doppler do c\u00e1c k\u00ednh vi\u1ec5n v\u1ecdng c\u1ee7a C\u01a1 quan nghi\u00ean c\u1ee9u v\u0169 tr\u1ee5 ch\u00e2u \u00c2u \u1edf Nam b\u00e1n c\u1ea7u thu th\u1eadp t\u1eeb n\u0103m 2000 \u0111\u1ebfn 2014 v\u00e0 2016, theo k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u c\u00f4ng b\u1ed1 h\u00f4m qua tr\u00ean t\u1ea1p ch\u00ed Nature. D\u1eef li\u1ec7u Doppler cho ph\u00e9p c\u00e1c nh\u00e0 khoa h\u1ecdc nghi\u00ean c\u1ee9u nh\u1eefng chuy\u1ec3n \u0111\u1ed9ng c\u1ef1c nh\u1ecf xung quanh ng\u00f4i sao m\u1eb9, k\u1ebft qu\u1ea3 t\u1eeb tr\u1ecdng l\u1ef1c c\u1ee7a h\u00e0nh tinh quay quanh qu\u1ef9 \u0111\u1ea1o.<\/p>\n

\u0110\u1ec3 r\u00fat ra k\u1ebft lu\u1eadn v\u1ec1 h\u00e0nh tinh m\u1edbi, h\u01a1n 30 nh\u00e0 nghi\u00ean c\u1ee9u t\u1eeb nhi\u1ec1u vi\u1ec7n v\u00e0 qu\u1ed1c gia kh\u00e1c nhau ph\u1ea3i ph\u00e2n t\u00edch d\u1eef li\u1ec7u trong su\u1ed1t nhi\u1ec1u n\u0103m.<\/p>\n

“Th\u00e0nh c\u00f4ng trong vi\u1ec7c t\u00ecm ra \u0111\u1ecba c\u1ea7u g\u1ea7n nh\u1ea5t b\u00ean ngo\u00e0i h\u1ec7 M\u1eb7t Tr\u1eddi l\u00e0 th\u00e0nh t\u1ef1u tr\u1ecdn \u0111\u1eddi, k\u1ebft qu\u1ea3 c\u1ee7a ni\u1ec1m \u0111am m\u00ea v\u00e0 c\u1ed1ng hi\u1ebfn c\u1ee7a nhi\u1ec1u nh\u00e0 nghi\u00ean c\u1ee9u qu\u1ed1c t\u1ebf. Ch\u00fang t\u00f4i hy v\u1ecdng ph\u00e1t hi\u1ec7n s\u1ebd truy\u1ec1n c\u1ea3m h\u1ee9ng cho c\u00e1c th\u1ebf h\u1ec7 t\u01b0\u01a1ng lai. B\u01b0\u1edbc ti\u1ebfp theo s\u1ebd l\u00e0 t\u00ecm ki\u1ebfm s\u1ef1 s\u1ed1ng tr\u00ean Proxima b”, ti\u1ebfn s\u0129 Guillem Anglada-Escude \u1edf \u0110\u1ea1i h\u1ecdc Queen Mary t\u1ea1i London, Anh, ng\u01b0\u1eddi \u0111\u1ee9ng \u0111\u1ea7u nh\u00f3m nghi\u00ean c\u1ee9u, chia s\u1ebb.<\/p>\n

“N\u1ebfu nghi\u00ean c\u1ee9u s\u00e2u h\u01a1n x\u00e1c nh\u1eadn kh\u00ed quy\u1ec3n h\u00e0nh tinh ph\u00f9 h\u1ee3p \u0111\u1ec3 ph\u00e1t tri\u1ec3n s\u1ef1 s\u1ed1ng, \u0111\u00e2y c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t trong nh\u1eefng ph\u00e1t hi\u1ec7n quan tr\u1ecdng nh\u1ea5t m\u00e0 ch\u00fang t\u00f4i t\u1eebng \u0111\u1ea1t \u0111\u01b0\u1ee3c. Proxima Centauri t\u1ed3n t\u1ea1i v\u1edbi th\u1eddi gian l\u00e2u h\u01a1n g\u1ea5p h\u00e0ng tr\u0103m ho\u1eb7c h\u00e0ng ngh\u00ecn l\u1ea7n M\u1eb7t Tr\u1eddi. S\u1ef1 s\u1ed1ng tr\u00ean Proxima c\u00f3 th\u1ec3 ti\u1ebfn h\u00f3a sau khi M\u1eb7t Tr\u1eddi ch\u1ebft t\u1eeb l\u00e2u”, ti\u1ebfn s\u0129 John Barnes \u1edf \u0110\u1ea1i h\u1ecdc Open, Anh, \u0111\u1ed3ng t\u00e1c gi\u1ea3 nghi\u00ean c\u1ee9u cho bi\u1ebft.<\/p>\n

Ph\u01b0\u01a1ng Hoa<\/em>
\n http:\/\/vnexpress.net<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00e1c nh\u00e0 khoa h\u1ecdc qu\u1ed1c t\u1ebf ph\u00e1t hi\u1ec7n m\u1ed9t h\u00e0nh tinh \u0111\u00e1 c\u00f3 th\u1ec3 l\u00e0 n\u01a1i sinh s\u1ed1ng c\u1ee7a ng\u01b0\u1eddi ngo\u00e0i h\u00e0nh tinh v\u00e0 ch\u1ec9 c\u00e1ch Tr\u00e1i \u0110\u1ea5t 4 n\u0103m \u00e1nh s\u00e1ng. Theo The Independent, h\u00e0nh tinh m\u1edbi t\u00ecm th\u1ea5y t\u00ean Proxima b ch\u1ec9 l\u1edbn h\u01a1n Tr\u00e1i \u0110\u1ea5t \u0111\u00f4i ch\u00fat v\u00e0 quay quanh ng\u00f4i sao […]<\/p>\n","protected":false},"author":17,"featured_media":5458,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-5820","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\/5820","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=5820"}],"version-history":[{"count":3,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/5820\/revisions"}],"predecessor-version":[{"id":6452,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/5820\/revisions\/6452"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/5458"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=5820"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=5820"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=5820"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}