{"id":28806,"date":"2019-08-10T21:26:00","date_gmt":"2019-08-10T14:26:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=28806"},"modified":"2021-10-03T21:26:52","modified_gmt":"2021-10-03T14:26:52","slug":"phat-hien-bat-ngo-ve-dieu-tao-nen-su-song-tren-trai-dat","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/phat-hien-bat-ngo-ve-dieu-tao-nen-su-song-tren-trai-dat\/","title":{"rendered":"Ph\u00e1t hi\u1ec7n b\u1ea5t ng\u1edd v\u1ec1 \u0111i\u1ec1u t\u1ea1o n\u00ean s\u1ef1 s\u1ed1ng tr\u00ean tr\u00e1i \u0111\u1ea5t"},"content":{"rendered":"\n

\u1ea8n m\u00ecnh d\u01b0\u1edbi bi\u1ec3n s\u00e2u, g\u00e3 ph\u00f9 th\u1ee7y c\u1ee7a t\u1ef1 nhi\u00ean \u2013 y\u1ebfu t\u1ed1 bi\u1ebfn c\u00e1c ph\u00e2n t\u1eed ti\u1ec1n th\u00e2n h\u1ed7n \u0111\u1ed9n th\u00e0nh kh\u1ed1i x\u00e2y d\u1ef1ng s\u1ef1 s\u1ed1ng tr\u00ean Tr\u00e1i \u0111\u1ea5t – v\u1eabn t\u1ed3n t\u1ea1i \u0111\u1ebfn ng\u00e0y nay.<\/strong><\/p>\n\n\n\n

Nh\u00e0 l\u00fd sinh h\u1ecdc Dieter Braun t\u1eeb \u0110\u1ea1i h\u1ecdc Ludwig\u2013Maximilians (\u0110\u1ee9c) v\u00e0 c\u00e1c c\u1ed9ng s\u1ef1 \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c th\u1ee9 l\u00e0 ch\u00eca kh\u00f3a khi\u1ebfn c\u00e1c v\u1eadt li\u1ec7u h\u1eefu c\u01a1 tr\u00ean tr\u00e1i \u0111\u1ea5t kh\u00f4ng t\u1ed3n t\u1ea1i d\u01b0\u1edbi d\u1ea1ng nguy\u00ean s\u01a1 r\u1eddi r\u1ea1c nh\u01b0 nh\u1eefng h\u00e0nh tinh kh\u00e1c, m\u00e0 c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p \u0111\u1ec3 t\u1ea1o ra s\u1ef1 s\u1ed1ng: bong b\u00f3ng d\u01b0\u1edbi bi\u1ec3n s\u00e2u.<\/strong><\/p>\n\n\n\n

T\u1ea1i ph\u00f2ng th\u00ed nghi\u1ec7m, h\u1ecd \u0111\u00e3 t\u1ea1o ra nh\u1eefng m\u00f4 h\u00ecnh g\u1ecdi l\u00e0 “gradient nhi\u1ec7t”,<\/strong><\/em> ch\u1ee9a dung d\u1ecbch b\u1ecb l\u00e0m n\u00f3ng m\u1ed9t \u0111\u1ea7u v\u00e0 l\u00e0m l\u1ea1nh \u1edf \u0111\u1ea7u c\u00f2n l\u1ea1i, gi\u00fap c\u00e1c ph\u00e2n t\u1eed ti\u1ec1n th\u00e2n s\u1ef1 s\u1ed1ng tr\u1ea3i qua s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 g\u1eaft gao khi di chuy\u1ec3n gi\u1eefa 2 \u0111\u1ea7u n\u00f3ng \u2013 l\u1ea1nh. “N\u00f3 gi\u1ed1ng nh\u01b0 \u0111\u1ea1i d\u01b0\u01a1ng vi m\u00f4”<\/em> \u2013 \u00f4ng Braun n\u00f3i.<\/p>\n\n\n\n

\"\"
Bong b\u00f3ng n\u00f3ng b\u1ecfng t\u1eeb l\u00f2ng \u0111\u1ea5t \u0111i v\u00e0o t\u1ea7ng n\u01b0\u1edbc l\u1ea1nh l\u1ebdo n\u01a1i s\u00e2u c\u1ee7a \u0111\u1ea1i d\u01b0\u01a1ng c\u00f3 th\u1ec3 ch\u00ednh l\u00e0 th\u1ee9 gi\u00fap c\u00e1c ph\u00e2n t\u1eed ti\u1ec1n th\u00e2n r\u1eddi r\u1ea1c “h\u00f3a ki\u1ebfp” th\u00e0nh kh\u1ed1i x\u00e2y d\u1ef1ng s\u1ef1 s\u1ed1ng – (\u1ea3nh: LIVE SCIENCE).<\/p>\n\n\n\n

D\u01b0\u1edbi \u0111\u1ea1i d\u01b0\u01a1ng, nh\u1eefng ng\u1ecdn n\u00fai l\u1eeda n\u00f3ng b\u1ecfng \u0111\u00e3 th\u00fac \u0111\u1ea9y kh\u00f3i b\u1ed1c l\u00ean, gi\u1ea3i tho\u00e1t nh\u1eefng bong b\u00f3ng kh\u00ed n\u00f3ng<\/strong>, th\u1ee9 \u0111\u1ed1i l\u1eadp v\u1edbi m\u00f4i tr\u01b0\u1eddng g\u1ea7n \u0111\u00e1y bi\u1ec3n \u2013 n\u01b0\u1edbc s\u00e2u c\u1ef1c l\u1ea1nh.<\/p>\n\n\n\n

S\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 nhanh v\u00e0 c\u1ef1c k\u1ef3 kh\u00f3 ch\u1ecbu khi ti\u1ebfp x\u00fac g\u1ea7n nh\u01b0 \u0111\u1ed3ng th\u1eddi v\u1edbi m\u1ed9t th\u1ee9 c\u1ef1c l\u1ea1nh v\u00e0 m\u1ed9t th\u1ee9 c\u1ef1c n\u00f3ng \u0111\u00e3 k\u00edch th\u00edch c\u00e1c ph\u00e2n t\u1eed ti\u1ec1n th\u00e2n s\u1ef1 s\u1ed1ng bi\u1ebfn \u0111\u1ed5i. V\u00ed d\u1ee5 c\u00e1c ph\u00e2n t\u1eed \u0111\u01b0\u1eddng h\u00f3a th\u00e0nh tnh th\u1ec3, m\u1ed9t “khung x\u01b0\u01a1ng”<\/em> cho c\u00e1c nucleotide c\u1ee7a RNA v\u00e0 DNA h\u00ecnh th\u00e0nh. C\u00e1c axit h\u00ecnh th\u00e0nh chu\u1ed7i d\u00e0i h\u01a1n, b\u01b0\u1edbc s\u01a1 kh\u1edfi c\u1ee7a c\u1ee7a RNA. Cu\u1ed1i c\u00f9ng, c\u00e1c ph\u00e2n t\u1eed t\u1ef1 s\u1eaf x\u1ebfp th\u00e0nh c\u00e1c c\u1ea5u tr\u00fac t\u1ebf b\u00e0o \u0111\u01a1n gi\u1ea3n.<\/p>\n\n\n\n

Theo t\u00e1c gi\u1ea3 Braun, n\u1ebfu kh\u00f4ng c\u00f3 c\u00e1c bong b\u00f3ng n\u00e0y, c\u00e1c ph\u00e2n t\u1eed ti\u1ec1n th\u00e2n s\u1ef1 s\u1ed1ng s\u1ebd b\u1ecb khuy\u1ebfch t\u00e1n trong m\u00f4i tr\u01b0\u1eddng. C\u00e1c bong b\u00f3ng nhi\u1ec7t nh\u01b0 m\u1ed9t ch\u1ea5t x\u00fac t\u00e1c, m\u1ed9t chi\u1ebfc ch\u00eca kh\u00f3a \u0111\u1ec3 k\u00edch ho\u1ea1t chu\u1ed7i ph\u1ea3n \u1ee9ng t\u1ea1o ra s\u1ef1 s\u1ed1ng.<\/p>\n\n\n\n

\u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 ch\u1ee9ng minh th\u00eam cho gi\u1ea3 thuy\u1ebft r\u1eb1ng \u1edf c\u00e1c h\u00e0nh tinh c\u00f3 h\u1ec7 th\u1ed1ng th\u1ee7y nhi\u1ec7t, nh\u01b0 tr\u00e1i \u0111\u1ea5t hay m\u1eb7t tr\u0103ng Enceladus c\u1ee7a sao Th\u1ed5<\/a>, s\u1ef1 s\u1ed1ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ra \u0111\u1eddi ngay t\u1ea1i n\u01a1i nh\u1eefng khe th\u1ee7y nhi\u1ec7t phun ra h\u00e0ng lo\u1ea1t bong b\u00f3ng kh\u00ed.<\/p>\n\n\n\n

T\u1ed5ng c\u1ed9ng 6 m\u00f4 h\u00ecnh \u0111\u1ea1i di\u1ec7n cho 6 giai \u0111o\u1ea1n kh\u00e1c nhau c\u1ee7a s\u1ef1 s\u1ed1ng nguy\u00ean th\u1ee7y \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ea1o ra \u0111\u1ec3 ch\u1ee9ng minh l\u00fd thuy\u1ebft n\u00e0y.<\/p>\n\n\n\n

“M\u00f4 h\u00ecnh c\u1ee7a Braun l\u00e0 m\u1ed9t \u0111\u1ea1i di\u1ec7n ch\u00ednh x\u00e1c c\u1ee7a m\u00f4i tr\u01b0\u1eddng nguy\u00ean th\u1ee7y. Braun v\u00e0 c\u00e1c \u0111\u1ed3ng nghi\u1ec7p \u0111\u00e3 gieo m\u1ea7m cho th\u00ed nghi\u1ec7m c\u1ee7a h\u1ecd v\u1edbi nhi\u1ec1u ph\u00e2n t\u1eed ph\u1ee9c t\u1ea1p c\u1ea7n thi\u1ebft cho s\u1ef1 s\u1ed1ng”<\/em> \u2013 nh\u00e0 h\u00f3a h\u1ecdc Ramanarayanan Krishnamurthy t\u1eeb Vi\u1ec7n H\u1ea3i d\u01b0\u01a1ng h\u1ecdc Scripps (M\u1ef9), ng\u01b0\u1eddi kh\u00f4ng tham gia nghi\u00ean c\u1ee9u, b\u00ecnh lu\u1eadn v\u1edbi t\u1edd Live Science. Tuy nhi\u00ean \u00f4ng kh\u00f4ng lo\u1ea1i tr\u1eeb kh\u1ea3 n\u0103ng c\u00e1c \u0111\u1ea1i d\u01b0\u01a1ng<\/a> c\u1ed5 \u0111\u1ea1i kh\u00f4ng c\u00f3 \u0111i\u1ec1u ki\u1ec7n th\u00edch h\u1ee3p cho c\u00e1c d\u1ea1ng ph\u00e2n t\u1eed ti\u1ec1n th\u00e2n \u0111\u1ec1 c\u1eadp \u1edf tr\u00ean, v\u00e0 s\u1ef1 s\u1ed1ng \u0111\u00e3 \u0111\u01b0\u1ee3c sinh ra theo con \u0111\u01b0\u1eddng kh\u00e1c.<\/p>\n","protected":false},"excerpt":{"rendered":"

\u1ea8n m\u00ecnh d\u01b0\u1edbi bi\u1ec3n s\u00e2u, g\u00e3 ph\u00f9 th\u1ee7y c\u1ee7a t\u1ef1 nhi\u00ean \u2013 y\u1ebfu t\u1ed1 bi\u1ebfn c\u00e1c ph\u00e2n t\u1eed ti\u1ec1n th\u00e2n h\u1ed7n \u0111\u1ed9n th\u00e0nh kh\u1ed1i x\u00e2y d\u1ef1ng s\u1ef1 s\u1ed1ng tr\u00ean Tr\u00e1i \u0111\u1ea5t – v\u1eabn t\u1ed3n t\u1ea1i \u0111\u1ebfn ng\u00e0y nay. Nh\u00e0 l\u00fd sinh h\u1ecdc Dieter Braun t\u1eeb \u0110\u1ea1i h\u1ecdc Ludwig\u2013Maximilians (\u0110\u1ee9c) v\u00e0 c\u00e1c c\u1ed9ng s\u1ef1 \u0111\u00e3 x\u00e1c […]<\/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-28806","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\/28806","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=28806"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28806\/revisions"}],"predecessor-version":[{"id":28807,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28806\/revisions\/28807"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=28806"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=28806"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=28806"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}