{"id":28284,"date":"2019-04-16T10:18:00","date_gmt":"2019-04-16T03:18:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=28284"},"modified":"2021-10-02T22:09:18","modified_gmt":"2021-10-02T15:09:18","slug":"vat-lieu-la-ngoai-hanh-tinh-giup-tim-ra-su-song","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/vat-lieu-la-ngoai-hanh-tinh-giup-tim-ra-su-song\/","title":{"rendered":"V\u1eadt li\u1ec7u l\u1ea1 ngo\u00e0i h\u00e0nh tinh gi\u00fap t\u00ecm ra s\u1ef1 s\u1ed1ng"},"content":{"rendered":"\n

C\u00e1c nh\u00e0 khoa h\u1ecdc tin r\u1eb1ng t\u00ednh ch\u1ea5t c\u1ee7a c\u00e1c tinh th\u1ec3 b\u00ed \u1ea9n, r\u1eafn h\u01a1n kim c\u01b0\u01a1ng nhi\u1ec1u l\u1ea7n s\u1ebd gi\u1ea3i th\u00edch b\u00ed m\u1eadt c\u1ee7a c\u00e1c si\u00eau tr\u00e1i \u0111\u1ea5t.<\/h2>\n\n\n\n

Trong cu\u1ed9c h\u1ecdp v\u1eeba di\u1ec5n ra c\u1ee7a Hi\u1ec7p h\u1ed9i V\u1eadt l\u00fd M\u1ef9, APS, m\u1ed9t s\u1ed1 nh\u00e0 khoa h\u1ecdc cho bi\u1ebft s\u00e2u trong “tr\u00e1i tim” c\u1ee7a c\u00e1c th\u1ebf gi\u1edbi ngo\u00e0i h\u00e0nh tinh kh\u1ed5ng l\u1ed3 t\u1ed3n t\u1ea1i m\u1ed9t d\u1ea1ng tinh th\u1ec3 c\u1ef1c \u0111oan. <\/p>\n\n\n\n

Ch\u00fang h\u00ecnh th\u00e0nh d\u01b0\u1edbi \u00e1p l\u1ef1c m\u1ea1nh h\u01a1n t\u1edbi 40 tri\u1ec7u l\u1ea7n so v\u1edbi \u00e1p su\u1ea5t kh\u00ed quy\u1ec3n tr\u00ean tr\u00e1i \u0111\u1ea5t v\u00e0 h\u01a1n 10 l\u1ea7n so v\u1edbi \u00e1p su\u1ea5t trong l\u00f5i tr\u00e1i \u0111\u1ea5t. Hi\u1ec3u ch\u00fang h\u01a1n c\u00f3 th\u1ec3 gi\u00fap ch\u00fang ta t\u00ecm ki\u1ebfm s\u1ef1 s\u1ed1ng \u1edf c\u00e1c h\u00e0nh tinh kh\u00e1c trong thi\u00ean h\u00e0. V\u00ec v\u1eady, h\u1ecd k\u00eau g\u1ecdi c\u1ed9ng \u0111\u1ed3ng khoa h\u1ecdc ch\u00fa tr\u1ecdng v\u00e0o vi\u1ec7c gi\u1ea3i m\u00e3 b\u00ed \u1ea9n c\u00e1c tinh th\u1ec3 n\u00e0y.<\/p>\n\n\n\n

\"V\u1eadt
\u1ea2nh \u0111\u1ed3 h\u1ecda c\u1ee7a NASA v\u1ec1 m\u1ed9t h\u1ec7 h\u00e0nh tinh c\u00f3 si\u00eau tr\u00e1i \u0111\u1ea5t<\/em><\/figcaption><\/figure><\/div>\n\n\n\n

Theo nh\u00e0 khoa h\u1ecdc h\u00e0nh tinh Diana Valencia (\u0110\u1ea1i h\u1ecdc Toronto, Canada), d\u01b0\u1edbi \u00e1p l\u1ef1c to l\u1edbn \u0111\u00f3, t\u00ednh ch\u1ea5t c\u1ee7a m\u1ecdi h\u00f3a ch\u1ea5t thay \u0111\u1ed5i c\u0103n b\u1ea3n, v\u00ed d\u1ee5 nh\u01b0 s\u1eaft t\u1ed3n t\u1ea1i trong c\u00e1c\u00a0si\u00eau tr\u00e1i \u0111\u1ea5t\u00a0v\u00e0 c\u00e1c d\u1ea1ng h\u00e0nh tinh kh\u1ed5ng l\u1ed3 kh\u00e1c\u00a0s\u1ebd c\u00f3 “h\u00e0nh vi” r\u1ea5t kh\u00e1c so v\u1edbi s\u1eaft tr\u00ean tr\u00e1i \u0111\u1ea5t.<\/p>\n\n\n\n

C\u00f2n chuy\u00ean gia v\u1eadt l\u00fd kho\u00e1ng s\u1ea3n Lars Stixrude (\u0110\u1ea1i h\u1ecdc California t\u1ea1i Los Angeles – M\u1ef9) ph\u00e2n t\u00edch r\u1eb1ng v\u1edbi \u00e1p su\u1ea5t c\u1ee7a c\u00e1c si\u00eau tr\u00e1i \u0111\u1ea5t, c\u00e1c h\u1ea1t electron trong nguy\u00ean t\u1eed s\u1ebd \u1edf g\u1ea7n h\u1ea1t nh\u00e2n h\u01a1n, t\u1eeb \u0111\u00f3 thay \u0111\u1ed5i ho\u00e0n to\u00e0n h\u00ecnh d\u1ea1ng v\u00e0 t\u00ednh ch\u1ea5t v\u1eadt l\u00fd \u2013 h\u00f3a h\u1ecdc c\u1ee7a v\u1eadt li\u1ec7u. Nh\u1eefng kh\u00e1c bi\u1ec7t c\u1ea5p \u0111\u1ed9 nguy\u00ean t\u1eed \u0111\u00f3 s\u1ebd \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn t\u00ednh ch\u1ea5t to\u00e0n b\u1ed9 h\u00e0nh tinh.<\/p>\n\n\n\n

N\u1eafm b\u1eaft \u0111\u01b0\u1ee3c c\u00e1c b\u00ed \u1ea9n kh\u00e1c l\u1ea1 trong l\u00f5i c\u00e1c si\u00eau tr\u00e1i \u0111\u1ea5t n\u00e0y s\u1ebd cung c\u1ea5p c\u00e1c m\u00f4 h\u00ecnh c\u1ea7n thi\u1ebft \u0111\u1ec3 ch\u00fang ta hi\u1ec3u c\u00e1ch h\u00e0nh tinh \u0111\u00f3 v\u1eadn \u0111\u1ed9ng, t\u1eeb \u0111\u00f3 t\u00ednh to\u00e1n ra c\u00e1ch th\u1ee9c s\u1ef1 s\u1ed1ng c\u00f3 th\u1ec3 n\u1ea3y sinh v\u00e0 t\u1ed3n t\u1ea1i v\u00e0 truy t\u00ecm ch\u00fang \u0111\u00fang h\u01b0\u1edbng.<\/p>\n\n\n\n

Tr\u1edf ng\u1ea1i l\u1edbn nh\u1ea5t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng v\u00e0 v\u1edbi c\u00e1c v\u1eadt li\u1ec7u tr\u00ean tr\u00e1i \u0111\u1ea5t, c\u00e1c th\u00ed nghi\u1ec7m m\u00f4 ph\u1ecfng si\u00eau tr\u00e1i \u0111\u1ea5t r\u1ea5t kh\u00f3 \u0111\u1ec3 tri\u1ec3n khai. V\u1eadt li\u1ec7u c\u1ee9ng nh\u1ea5t ch\u00fang ta s\u1edf h\u1eefu \u2013 kim c\u01b0\u01a1ng \u2013 nhanh ch\u00f3ng v\u1ee1 tan \u1edf \u00e1p su\u1ea5t nh\u1ecf h\u01a1n nhi\u1ec1u \u00e1p su\u1ea5t si\u00eau tr\u00e1i \u0111\u1ea5t. Tuy nhi\u00ean, \u00f4ng Stixrude v\u00e0 c\u1ed9ng s\u1ef1 l\u00e0 nh\u00e0 v\u1eadt l\u00fd kho\u00e1ng s\u1ea3n Tom Duffy (\u0110\u1ea1i h\u1ecdc Princeton, M\u1ef9) \u0111ang chuy\u1ec3n sang m\u1ed9t d\u1ea1ng th\u00ed nghi\u1ec7m kh\u00e1c v\u00e0 tin r\u1eb1ng s\u1ebd s\u1edbm gi\u1ea3i m\u00e3 \u0111\u01b0\u1ee3c t\u00ednh ch\u1ea5t b\u00ed m\u1eadt c\u1ee7a c\u00e1c si\u00eau tr\u00e1i \u0111\u1ea5t.<\/p>\n\n\n\n

Theo c\u00e1c nh\u00e0 khoa h\u1ecdc, c\u00e1c d\u1eef li\u1ec7u thu th\u1eadp \u0111\u01b0\u1ee3c khi “ch\u1ea1m” \u0111\u1ebfn si\u00eau tinh th\u1ec3 trong tr\u00e1i tim c\u00e1c ngo\u1ea1i h\u00e0nh tinh kh\u1ed5ng l\u1ed3 s\u1ebd tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi li\u1ec7u ch\u00fang c\u00f3 ho\u1ea1t \u0111\u1ed9ng ki\u1ebfn t\u1ea1o m\u1ea3ng, l\u01b0u th\u00f4ng magma v\u00e0 t\u1eeb tr\u01b0\u1eddng nh\u01b0 th\u1ebf n\u00e0o, t\u1eeb \u0111\u00f3 bi\u1ebft \u0111\u01b0\u1ee3c ch\u00fang c\u00f3 c\u00e1c \u0111i\u1ec1u ki\u1ec7n h\u1ed7 tr\u1ee3 s\u1ef1 s\u1ed1ng hay kh\u00f4ng.<\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00e1c nh\u00e0 khoa h\u1ecdc tin r\u1eb1ng t\u00ednh ch\u1ea5t c\u1ee7a c\u00e1c tinh th\u1ec3 b\u00ed \u1ea9n, r\u1eafn h\u01a1n kim c\u01b0\u01a1ng nhi\u1ec1u l\u1ea7n s\u1ebd gi\u1ea3i th\u00edch b\u00ed m\u1eadt c\u1ee7a c\u00e1c si\u00eau tr\u00e1i \u0111\u1ea5t. Trong cu\u1ed9c h\u1ecdp v\u1eeba di\u1ec5n ra c\u1ee7a Hi\u1ec7p h\u1ed9i V\u1eadt l\u00fd M\u1ef9, APS, m\u1ed9t s\u1ed1 nh\u00e0 khoa h\u1ecdc cho bi\u1ebft s\u00e2u trong “tr\u00e1i tim” c\u1ee7a […]<\/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-28284","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\/28284","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=28284"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28284\/revisions"}],"predecessor-version":[{"id":28285,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28284\/revisions\/28285"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=28284"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=28284"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=28284"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}