{"id":3757,"date":"2015-09-22T21:48:16","date_gmt":"2015-09-22T14:48:16","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=3757"},"modified":"2017-09-27T21:49:22","modified_gmt":"2017-09-27T14:49:22","slug":"co-the-co-mot-dai-duong-an-sau-duoi-lop-vo-cua-mat-trang-enceladus-cua-sao-tho","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/co-the-co-mot-dai-duong-an-sau-duoi-lop-vo-cua-mat-trang-enceladus-cua-sao-tho\/","title":{"rendered":"C\u00f3 th\u1ec3 c\u00f3 m\u1ed9t \u0111\u1ea1i d\u01b0\u01a1ng \u1ea9n s\u00e2u d\u01b0\u1edbi l\u1edbp v\u1ecf c\u1ee7a m\u1eb7t tr\u0103ng Enceladus c\u1ee7a sao Th\u1ed5"},"content":{"rendered":"

Trong l\u00f2ng m\u1eb7t tr\u0103ng Enceladus c\u1ee7a sao Th\u1ed5 c\u00f3 th\u1ec3 \u1ea9n ch\u1ee9a m\u1ed9t \u0111\u1ea1i d\u01b0\u01a1ng – \u0111\u00e2y l\u00e0 ph\u00e1t hi\u1ec7n m\u1edbi c\u1ee7a NASA sau nhi\u1ec1u n\u0103m ph\u00e2n t\u00edch h\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c t\u00e0u th\u0103m d\u00f2 Cassini ghi l\u1ea1i. Nh\u1eefng th\u00f4ng s\u1ed1 \u0111o \u0111\u1ea1t v\u1ec1 ho\u1ea1t \u0111\u1ed9ng quay c\u1ee7a m\u1eb7t tr\u0103ng n\u00e0y cho th\u1ea5y n\u00f3 h\u01a1i l\u1eafc l\u01b0 gi\u1ed1ng nh\u01b0 chuy\u1ec3n \u0111\u1ed9ng t\u1ef1 nhi\u00ean c\u1ee7a m\u1ed9t qu\u1ea3 tr\u1ee9ng s\u1ed1ng khi ch\u00fang ta xoay n\u00f3 tr\u00ean b\u00e0n.<\/strong><\/p>\n

\"\"<\/p>\n

\u0110\u00e2y l\u00e0 ph\u00e1t hi\u1ec7n m\u1edbi nh\u1ea5t trong lo\u1ea1t nh\u1eefng nghi\u00ean c\u1ee9u v\u1ec1 ho\u1ea1t \u0111\u1ed9ng \u0111\u1ecba ch\u1ea5t c\u1ee7a 6 m\u1eb7t tr\u0103ng l\u1edbn nh\u1ea5t c\u1ee7a sao Th\u1ed5. S\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a n\u01b0\u1edbc g\u1ea7n b\u1ec1 m\u1eb7t, c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t h\u1ed3 l\u1edbn ho\u1eb7c bi\u1ec3n tr\u00ean Enceladus b\u1eaft \u0111\u1ea7u \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 khoa h\u1ecdc t\u00ecnh nghi khi Cassini ch\u1ee5p \u0111\u01b0\u1ee3c c\u00e1c m\u1ea1ch n\u01b0\u1edbc b\u1ed1c h\u01a1i, tinh th\u1ec3 b\u0103ng v\u00e0 c\u00e1c ph\u00e2n t\u1eed h\u1eefu c\u01a1 \u0111\u01a1n gi\u1ea3n tho\u00e1t ra t\u1eeb c\u00e1c khe n\u1ee9t t\u1ea1i c\u1ef1c nam c\u1ee7a m\u1eb7t tr\u0103ng n\u00e0y. Tuy nhi\u00ean, nh\u1eefng thay \u0111\u1ed5i v\u1ec1 l\u1ef1c h\u1ea5p d\u1eabn c\u1ee7a m\u1eb7t tr\u0103ng do Cassini \u0111o \u0111\u01b0\u1ee3c g\u1ee3i \u00fd r\u1eb1ng s\u00e2u b\u00ean d\u01b0\u1edbi b\u1ec1 m\u1eb7t \u0111\u00f3ng b\u0103ng c\u1ee7a Enceladus c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t \u0111\u1ea1i d\u01b0\u01a1ng l\u1edbn.<\/p>\n

Ph\u00e1t hi\u1ec7n n\u00e0y d\u01b0\u1eddng nh\u01b0 \u0111\u00e3 x\u00e1c nh\u1eadn cho nghi v\u1ea5n v\u1ec1 s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a m\u1ed9t \u0111\u1ea1i d\u01b0\u01a1ng b\u1eaft ngu\u1ed3n t\u1eeb nh\u1eefng d\u1eef li\u1ec7u ph\u00e2n t\u00edch \u0111\u1ed9c l\u1eadp v\u1ec1 hi\u1ec7n t\u01b0\u1ee3ng l\u1eafc l\u01b0 hay \u0111u \u0111\u01b0a trong chuy\u1ec3n \u0111\u1ed9ng t\u1ef1 quay c\u1ee7a m\u1eb7t tr\u0103ng Enceladus \u0111\u01b0\u1ee3c t\u00e0u Cassini \u0111o \u0111\u01b0\u1ee3c sau khi n\u00f3 x\u00e2m nh\u1eadp h\u1ec7 sao Th\u1ed5 v\u00e0 b\u1eaft \u0111\u1ea7u bay ngang th\u0103m d\u00f2 nhi\u1ec1u m\u1eb7t tr\u0103ng c\u1ee7a h\u00e0nh tinh n\u00e0y t\u1eeb n\u0103m 2004. \u0110\u1ec3 \u0111o \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed9ng l\u1eafc l\u01b0 c\u1ee7a Enceladus, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 so s\u00e1nh nhi\u1ec1u h\u00ecnh \u1ea3nh ch\u1ee5p l\u1ea1i m\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m n\u00e0o \u0111\u00f3 tr\u00ean m\u1eb7t tr\u0103ng, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c mi\u1ec7ng h\u1ed1 trong su\u1ed1t nhi\u1ec1u n\u0103m. V\u1edbi h\u00e0ng tr\u0103m h\u00ecnh \u1ea3nh nh\u01b0 v\u1eady, h\u1ecd c\u00f3 th\u1ec3 \u0111o v\u00e0 k\u1ebft lu\u1eadn r\u1eb1ng m\u1eb7t tr\u0103ng c\u00f3 s\u1ef1 l\u1eafc l\u01b0 nh\u1eb9 khi quay.<\/p>\n

Theo NASA, s\u1edf d\u0129 c\u00f3 s\u1ef1 l\u1eafc l\u01b0 n\u00e0y m\u1ed9t ph\u1ea7n l\u00e0 do h\u00ecnh d\u1ea1ng h\u01a1i m\u00e9o c\u1ee7a Enceladus v\u00e0 m\u1ed9t ph\u1ea7n do qu\u1ef9 \u0111\u1ea1o h\u00ecnh elipse c\u1ee7a n\u00f3 quanh sao Th\u1ed5. K\u1ebft h\u1ee3p c\u1ea3 2 t\u1ea1o ra m\u1ed9t l\u1ef1c k\u00e9o kh\u00f4ng \u0111\u1ec1u khi\u1ebfn Enceladus c\u00f3 th\u1ec3 thay \u0111\u1ed5i b\u1ea5t th\u01b0\u1eddng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a M\u1eb7t Tr\u0103ng quanh Tr\u00e1i \u0110\u1ea5t. C\u00e2u h\u1ecfi \u0111\u01b0\u1ee3c \u0111\u1eb7t ra l\u00e0 \u0111i\u1ec1u g\u00ec khi\u1ebfn n\u00f3 l\u1eafc l\u01b0 nh\u1eb9 nh\u01b0 v\u1eady v\u00e0 \u0111\u1eb7t ra nghi v\u1ea5n li\u1ec7u n\u00f3 c\u00f3 ph\u1ea3i l\u00e0 m\u1ed9t v\u1eadt th\u1ec3 r\u1eafn ho\u00e0n to\u00e0n hay kh\u00f4ng?<\/p>\n

B\u1eb1ng vi\u1ec7c x\u1eed l\u00fd m\u1ed9t lo\u1ea1t c\u00e1c m\u00f4 h\u00ecnh m\u00e1y t\u00ednh, c\u00e1c nh\u00e0 khoa h\u1ecdc t\u1ea1i NASA cho r\u1eb1ng theo k\u1ecbch b\u1ea3n kh\u1ea3 n\u0103ng nh\u1ea5t th\u00ec c\u01b0\u1eddng \u0111\u1ed9 l\u1eafc l\u01b0 c\u1ee7a m\u1eb7t tr\u0103ng Enceladus b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi l\u1edbp v\u1ecf b\u0103ng v\u00e0 l\u00f5i \u0111\u00e1 \u0111\u01b0\u1ee3c ph\u00e2n t\u00e1ch b\u1edfi m\u1ed9t l\u1edbp ch\u1ea5t l\u1ecfng. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra s\u1ef1 m\u1ea5t c\u00e2n \u0111\u1ed1i l\u1edbn h\u01a1n khi m\u1eb7t tr\u0103ng quay, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 kh\u00e1c bi\u1ec7t gi\u1eefa xoay m\u1ed9t qu\u1ea3 tr\u1ee9ng \u0111\u00e3 lu\u1ed9c ch\u00edn v\u00e0 m\u1ed9t qu\u1ea3 tr\u1ee9ng s\u1ed1ng, qu\u1ea3 tr\u1ee9ng s\u1ed1ng s\u1ebd chao \u0111\u1ea3o b\u1edfi l\u00f2ng \u0111\u1ecf b\u00ean trong s\u1ebd m\u1ea5t c\u00e2n b\u1eb1ng khi xoay.<\/p>\n

Matthew Tiscareno – nh\u00e0 khoa h\u1ecdc \u0111\u1ebfn t\u1eeb vi\u1ec7n SETI, Mountain View, California cho bi\u1ebft: “N\u1ebfu b\u1ec1 m\u1eb7t v\u00e0 l\u00f5i \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i ch\u1eb7t ch\u1ebd, ph\u1ea7n l\u00f5i s\u1ebd c\u00f3 th\u1ec3 cung c\u1ea5p \u0111\u1ee7 tr\u1ecdng l\u01b0\u1ee3ng ch\u1ebft \u0111\u1ec3 c\u01b0\u1eddng \u0111\u1ed9 l\u1eafc l\u01b0 c\u00f3 th\u1ec3 nh\u1ecf h\u01a1n so v\u1edbi nh\u1eefng g\u00ec ch\u00fang t\u00f4i quan s\u00e1t \u0111\u01b0\u1ee3c. Qua \u0111\u00f3 ch\u1ee9ng minh r\u1eb1ng ph\u1ea3i c\u00f3 m\u1ed9t l\u1edbp ch\u1ea5t l\u1ecfng ph\u00e2n t\u00e1ch b\u1ec1 m\u1eb7t v\u00e0 l\u00f5i c\u1ee7a Enceladus.”<\/p>\n

C\u00e1c nh\u00e0 khoa h\u1ecdc hi\u1ec7n \u0111ang t\u00ecm c\u00e1ch x\u00e1c \u0111\u1ecbnh xem \u0111i\u1ec1u g\u00ec khi\u1ebfn Enceladus l\u1ea1i ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng gi\u1ed1ng nh\u01b0 m\u1ed9t kh\u1ed1i \u0111\u00e1 \u0111\u00f3ng b\u0103ng. Nhi\u1ec7t th\u1ee7y tri\u1ec1u c\u1ee7a sao Th\u1ed5 l\u00e0 m\u1ed9t trong s\u1ed1 c\u00e1c kh\u1ea3 n\u0103ng. \u0110\u1ec3 gi\u00fap t\u00ecm ra c\u00e2u tr\u1ea3 l\u1eddi, t\u00e0u Cassini \u0111\u00e3 \u0111\u01b0\u1ee3c l\u00ean l\u1ecbch kh\u1ea3o s\u00e1t m\u1ed9t trong nh\u1eefng d\u1ea3i kh\u00ed c\u1ef1c \u1edf \u0111\u1ed9 cao kho\u1ea3ng 49 km v\u00e0o ng\u00e0y 28 th\u00e1ng 10 t\u1edbi.<\/p>\n

Theo: NASA<\/a><\/em><\/p>\n

Ngu\u1ed3n tinhte.vn<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

Trong l\u00f2ng m\u1eb7t tr\u0103ng Enceladus c\u1ee7a sao Th\u1ed5 c\u00f3 th\u1ec3 \u1ea9n ch\u1ee9a m\u1ed9t \u0111\u1ea1i d\u01b0\u01a1ng – \u0111\u00e2y l\u00e0 ph\u00e1t hi\u1ec7n m\u1edbi c\u1ee7a NASA sau nhi\u1ec1u n\u0103m ph\u00e2n t\u00edch h\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c t\u00e0u th\u0103m d\u00f2 Cassini ghi l\u1ea1i. Nh\u1eefng th\u00f4ng s\u1ed1 \u0111o \u0111\u1ea1t v\u1ec1 ho\u1ea1t \u0111\u1ed9ng quay c\u1ee7a m\u1eb7t tr\u0103ng n\u00e0y cho th\u1ea5y n\u00f3 h\u01a1i l\u1eafc […]<\/p>\n","protected":false},"author":17,"featured_media":3758,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-3757","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\/3757","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=3757"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/3757\/revisions"}],"predecessor-version":[{"id":3759,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/3757\/revisions\/3759"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/3758"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=3757"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=3757"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=3757"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}