{"id":28657,"date":"2019-03-03T19:54:00","date_gmt":"2019-03-03T12:54:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=28657"},"modified":"2021-10-03T19:55:00","modified_gmt":"2021-10-03T12:55:00","slug":"nasa-tai-tao-nguon-goc-cua-su-song-duoi-bien-sau-trong-phong-thi-nghiem","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/nasa-tai-tao-nguon-goc-cua-su-song-duoi-bien-sau-trong-phong-thi-nghiem\/","title":{"rendered":"NASA t\u00e1i t\u1ea1o ngu\u1ed3n g\u1ed1c c\u1ee7a s\u1ef1 s\u1ed1ng d\u01b0\u1edbi bi\u1ec3n s\u00e2u trong ph\u00f2ng th\u00ed nghi\u1ec7m"},"content":{"rendered":"\n

H\u01a1n 4 t\u1ef7 n\u0103m tr\u01b0\u1edbc, khi Tr\u00e1i \u0110\u1ea5t h\u1ed7n lo\u1ea1n v\u00e0 m\u1edbi m\u1ebb, m\u1ed9t tia s\u00e1ng k\u1ef3 l\u1ea1 c\u1ee7a s\u1ef1 s\u1ed1ng \u0111\u00e3 t\u1ed3n t\u1ea1i. Kh\u00f4ng ai ho\u00e0n to\u00e0n ch\u1eafc ch\u1eafn n\u00f3 \u0111\u00e3 x\u1ea3y ra nh\u01b0 th\u1ebf n\u00e0o, nh\u01b0ng b\u1eb1ng ch\u1ee9ng cho th\u1ea5y n\u00f3 n\u1eb1m s\u00e2u d\u01b0\u1edbi bi\u1ec3n, n\u1eb1m xa t\u1ea7m v\u1edbi c\u1ee7a tia s\u00e1ng M\u1eb7t Tr\u1eddi.<\/strong><\/p>\n\n\n\n

N\u1ebfu ch\u00fang ta c\u00f3 th\u1ec3 t\u00ecm ra \u201ctia l\u1eeda\u201d \u0111\u00f3 h\u00ecnh th\u00e0nh nh\u01b0 th\u1ebf n\u00e0o, n\u00f3 c\u00f3 th\u1ec3 gi\u00fap \u00edch trong qu\u00e1 tr\u00ecnh t\u00ecm ki\u1ebfm s\u1ef1 s\u1ed1ng ngo\u00e0i h\u00e0nh tinh.<\/p>\n\n\n\n

M\u1edbi \u0111\u00e2y nh\u1ea5t, c\u00e1c nh\u00e0 sinh v\u1eadt h\u1ecdc c\u1ee7a NASA \u0111\u00e3 t\u00e1i t\u1ea1o c\u00e1c \u0111i\u1ec1u ki\u1ec7n gi\u1ed1ng nh\u01b0 d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n c\u1ed5 \u0111\u1ea1i c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 h\u00ecnh th\u00e0nh s\u1ef1 s\u1ed1ng.<\/p>\n\n\n\n

\"NASA
C\u00e1c nh\u00e0 khoa h\u1ecdc c\u1ee7a NASA \u0111ang \u0111\u1eb7t m\u1ee5c ti\u00eau t\u00e1i t\u1ea1o th\u00e0nh c\u00f4ng m\u00f4i tr\u01b0\u1eddng s\u1ea3n sinh s\u1ef1 s\u1ed1ng \u0111\u1ea7u ti\u00ean tr\u00ean Tr\u00e1i \u0110\u1ea5t.<\/figcaption><\/figure>\n\n\n\n

M\u1ed9t trong nh\u1eefng gi\u1ea3 thuy\u1ebft v\u1ec1 ngu\u1ed3n g\u1ed1c s\u1ef1 s\u1ed1ng li\u00ean quan \u0111\u1ebfn l\u1ed7 th\u00f4ng th\u1ee7y nhi\u1ec7t – v\u1ebft n\u1ee9t d\u01b0\u1edbi \u0111\u00e1y \u0111\u1ea1i d\u01b0\u01a1ng, th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00fai l\u1eeda, n\u01a1i nhi\u1ec7t tho\u00e1t ra t\u1eeb s\u00e2u b\u00ean trong Tr\u00e1i \u0110\u1ea5t.<\/p>\n\n\n\n

Trong nh\u1eefng ng\u00e0y \u0111\u1ea7u c\u1ee7a Tr\u00e1i \u0110\u1ea5t, khi h\u00e0nh tinh c\u1ee7a ch\u00fang ta \u0111\u01b0\u1ee3c \u201ct\u1eafm\u201d trong nh\u1eefng tia c\u1ef1c t\u00edm ch\u1ebft ch\u00f3c t\u1eeb M\u1eb7t Tr\u1eddi, s\u1ef1 s\u1ed1ng c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n s\u00e2u d\u01b0\u1edbi \u0111\u1ea1i d\u01b0\u01a1ng n\u01a1i nh\u1eefng tia s\u00e1ng \u0111\u00f3 kh\u00f4ng th\u1ec3 xuy\u00ean qua.<\/p>\n\n\n\n

Xung quanh c\u00e1c l\u1ed7 th\u00f4ng th\u1ee7y nhi\u1ec7t, c\u00e1c sinh v\u1eadt kh\u00f4ng c\u1ea7n quang h\u1ee3p, qu\u00e1 tr\u00ecnh \u0111\u00e3 tr\u1edf n\u00ean quan tr\u1ecdng \u0111\u1ed1i v\u1edbi h\u1ea7u h\u1ebft c\u00e1c sinh v\u1eadt s\u1ed1ng tr\u00ean Tr\u00e1i \u0110\u1ea5t.<\/p>\n\n\n\n

Thay v\u00e0o \u0111\u00f3, nh\u1eefng m\u1ea7m s\u1ed1ng d\u1ef1a v\u00e0o s\u1ef1 t\u1ed5ng h\u1ee3p h\u00f3a h\u1ecdc. C\u00e1c vi khu\u1ea9n t\u1ee5 l\u1ea1i xung quanh l\u1ed7 th\u00f4ng h\u01a1i khai th\u00e1c n\u0103ng l\u01b0\u1ee3ng h\u00f3a h\u1ecdc, nh\u01b0 ph\u1ea3n \u1ee9ng gi\u1eefa hydro sunfua t\u1eeb l\u1ed7 th\u00f4ng h\u01a1i v\u00e0 oxy t\u1eeb n\u01b0\u1edbc bi\u1ec3n xung quanh n\u00f3, \u0111\u1ec3 t\u1ea1o ra c\u00e1c ph\u00e2n t\u1eed \u0111\u01b0\u1eddng ch\u00ednh l\u00e0 \u201cth\u1ee9c \u0103n\u201d.<\/p>\n\n\n\n

M\u1ed9t khi vi khu\u1ea9n t\u1ed3n t\u1ea1i, c\u00e1c \u0111\u1ed9ng v\u1eadt kh\u00e1c c\u00f3 th\u1ec3 \u0103n ch\u00fang v\u00e0 c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng m\u00e0 ch\u00fang t\u1ea1o ra. Do \u0111\u00f3 to\u00e0n b\u1ed9 chu\u1ed7i th\u1ee9c \u0103n v\u1eabn c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n m\u1ea1nh trong b\u00f3ng t\u1ed1i.<\/p>\n\n\n\n

\u0110\u00f3 c\u0169ng l\u00e0 l\u00fd do c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u1ee7a NASA c\u00f3 l\u00fd do \u0111\u1ec3 ngh\u0129 r\u1eb1ng m\u1ed9t s\u1ed1 h\u00e0nh tinh c\u00f3 th\u1ec3 ch\u1ee9a c\u00e1c l\u1ed7 th\u00f4ng th\u1ee7y nhi\u1ec7t trong c\u00e1c \u0111\u1ea1i d\u01b0\u01a1ng l\u1ecfng d\u01b0\u1edbi l\u1edbp v\u1ecf \u0111\u00f3ng b\u0103ng c\u1ee7a ch\u00fang.<\/p>\n\n\n\n

\u0110\u1ec3 \u0111i\u1ec1u tra c\u00e1c \u0111i\u1ec1u ki\u1ec7n ch\u1eb7t ch\u1ebd h\u01a1n, nh\u00e0 sinh v\u1eadt h\u1ecdc Laurie Barge v\u00e0 nh\u00f3m c\u1ee7a c\u00f4 \u0111\u00e3 ch\u1ebf t\u1ea1o c\u00e1c \u0111\u00e1y bi\u1ec3n thu nh\u1ecf t\u1ea1i Ph\u00f2ng th\u00ed nghi\u1ec7m \u0110\u1ed9ng c\u01a1 ph\u1ea3n l\u1ef1c c\u1ee7a NASA v\u1edbi c\u00e1c h\u1ed7n h\u1ee3p m\u00f4 ph\u1ecfng c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ee7a v\u00f9ng bi\u1ec3n nguy\u00ean th\u1ee7y, d\u1ef1a tr\u00ean h\u1ed3 s\u01a1 h\u00f3a th\u1ea1ch t\u1eebng bi\u1ebft \u0111\u1ebfn.<\/p>\n\n\n\n

Nh\u1eefng nh\u00e0 khoa h\u1ecdc hi v\u1ecdng n\u00f3 s\u1ebd \u0111\u00f3ng vai tr\u00f2 l\u00e0 nh\u1eefng v\u01b0\u1eddn \u01b0\u01a1m \u0111\u1ec3 ph\u00e1t tri\u1ec3n axit amin, c\u00e1c kh\u1ed1i x\u00e2y d\u1ef1ng t\u1eeb \u0111\u00f3 protein h\u00ecnh th\u00e0nh.<\/p>\n\n\n\n

C\u00e1c h\u1ed7n h\u1ee3p \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb n\u01b0\u1edbc, kho\u00e1ng ch\u1ea5t, pyruvate v\u00e0 amoniac – hai ph\u00e2n t\u1eed c\u00f3 th\u1ec3 h\u00ecnh th\u00e0nh trong \u0111i\u1ec1u ki\u1ec7n c\u1ee7a l\u1ed7 th\u1ee7y nhi\u1ec7t, r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi s\u1ef1 h\u00ecnh th\u00e0nh c\u00e1c axit amin.<\/p>\n\n\n\n

Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 lo\u1ea1i b\u1ecf oxy t\u1eeb n\u01b0\u1edbc \u0111\u1ec3 m\u00f4 ph\u1ecfng c\u00e1c \u0111\u1ea1i d\u01b0\u01a1ng nguy\u00ean th\u1ee7y c\u1ee7a Tr\u00e1i \u0110\u1ea5t, \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 pH \u0111\u1ec3 t\u00e1i t\u1ea1o \u0111\u1ed9 ki\u1ec1m v\u00e0 th\u00eam hydroxit s\u1eaft r\u1ea5t d\u1ed3i d\u00e0o trong nh\u1eefng n\u0103m \u0111\u1ea7u c\u1ee7a Tr\u00e1i \u0110\u1ea5t. Sau \u0111\u00f3, h\u1ecd l\u00e0m n\u00f3ng t\u1ea5t c\u1ea3 \u0111\u1ebfn 70 \u0111\u1ed9 C (158 \u0111\u1ed9 F), gi\u1ed1ng nh\u01b0 n\u01b0\u1edbc xung quanh m\u1ed9t l\u1ed7 th\u00f4ng h\u01a1i.<\/p>\n\n\n\n

“Ch\u00fang t\u00f4i \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng trong \u0111i\u1ec1u ki\u1ec7n \u0111\u1ecba ch\u1ea5t t\u01b0\u01a1ng t\u1ef1 Tr\u00e1i \u0110\u1ea5t s\u01a1 khai v\u00e0 c\u00f3 th\u1ec3 v\u1edbi c\u00e1c h\u00e0nh tinh kh\u00e1c, ch\u00fang ta c\u00f3 th\u1ec3 t\u1ea1o th\u00e0nh axit amin v\u00e0 alpha hydroxy axit t\u1eeb m\u1ed9t ph\u1ea3n \u1ee9ng \u0111\u01a1n gi\u1ea3n trong \u0111i\u1ec1u ki\u1ec7n t\u1ed3n t\u1ea1i d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n”, Barge n\u00f3i.<\/p>\n\n\n\n

Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 l\u00e0m vi\u1ec7c trong 9 n\u0103m, c\u1ed1 g\u1eafng t\u00ecm hi\u1ec3u xem c\u00e1c l\u1ed7 th\u00f4ng th\u1ee7y nhi\u1ec7t c\u00f3 th\u1ec3 t\u1ea1o ra bao nhi\u00eau n\u0103ng l\u01b0\u1ee3ng, v\u00e0 nh\u1eefng th\u00e0nh ph\u1ea7n n\u00e0o c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y xung quanh ch\u00fang. Nh\u01b0ng \u0111\u00e2y l\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean h\u1ecd quan s\u00e1t th\u1ea5y m\u1ed9t ph\u1ea3n \u1ee9ng h\u1eefu c\u01a1 di\u1ec5n ra trong \u0111i\u1ec1u ki\u1ec7n nh\u01b0 l\u1ed7 th\u00f4ng th\u1ee7y nhi\u1ec7t.<\/p>\n\n\n\n

NASA tr\u01b0\u1edbc \u0111\u00f3 c\u0169ng \u0111\u00e3 nghi\u00ean c\u1ee9u c\u00e1c l\u1ed7 th\u00f4ng th\u1ee7y nhi\u1ec7t th\u1ef1c t\u1ebf b\u00ean d\u01b0\u1edbi \u0111\u1ea1i d\u01b0\u01a1ng, l\u1ea5y m\u1eabu n\u01b0\u1edbc xung quanh ch\u00fang v\u00e0 c\u1ed1 g\u1eafng x\u00e2y d\u1ef1ng m\u1ed9t b\u1ee9c tranh ho\u00e0n ch\u1ec9nh h\u01a1n v\u1ec1 nh\u1eefng m\u00f4i tr\u01b0\u1eddng \u0111\u00f3 nh\u01b0 th\u1ebf n\u00e0o.<\/p>\n\n\n\n

Minh Long\/D\u00e2n Tr\u00ed<\/strong> (Theo Science Alert)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

H\u01a1n 4 t\u1ef7 n\u0103m tr\u01b0\u1edbc, khi Tr\u00e1i \u0110\u1ea5t h\u1ed7n lo\u1ea1n v\u00e0 m\u1edbi m\u1ebb, m\u1ed9t tia s\u00e1ng k\u1ef3 l\u1ea1 c\u1ee7a s\u1ef1 s\u1ed1ng \u0111\u00e3 t\u1ed3n t\u1ea1i. Kh\u00f4ng ai ho\u00e0n to\u00e0n ch\u1eafc ch\u1eafn n\u00f3 \u0111\u00e3 x\u1ea3y ra nh\u01b0 th\u1ebf n\u00e0o, nh\u01b0ng b\u1eb1ng ch\u1ee9ng cho th\u1ea5y n\u00f3 n\u1eb1m s\u00e2u d\u01b0\u1edbi bi\u1ec3n, n\u1eb1m xa t\u1ea7m v\u1edbi c\u1ee7a tia s\u00e1ng M\u1eb7t […]<\/p>\n","protected":false},"author":17,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-28657","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\/28657","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=28657"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28657\/revisions"}],"predecessor-version":[{"id":28658,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28657\/revisions\/28658"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=28657"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=28657"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=28657"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}