{"id":3334,"date":"2015-07-29T13:41:35","date_gmt":"2015-07-29T06:41:35","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=3334"},"modified":"2017-09-27T14:29:32","modified_gmt":"2017-09-27T07:29:32","slug":"nasa-xac-nhan-da-tim-ra-trai-dat-thu-2-trong-dai-ngan-ha","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/nasa-xac-nhan-da-tim-ra-trai-dat-thu-2-trong-dai-ngan-ha\/","title":{"rendered":"NASA x\u00e1c nh\u1eadn \u0111\u00e3 t\u00ecm ra Tr\u00e1i \u0111\u1ea5t th\u1ee9 2 trong d\u1ea3i Ng\u00e2n h\u00e0"},"content":{"rendered":"

K\u00ednh thi\u00ean v\u0103n v\u0169 tr\u1ee5 Kepler \u0111\u00e3 ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c m\u1ed9t h\u00e0nh tinh m\u1edbi m\u00e0 c\u00f3 c\u00e1c t\u00ednh ch\u1ea5t r\u1ea5t gi\u1ed1ng v\u1edbi Tr\u00e1i \u0111\u1ea5t c\u1ee7a ch\u00fang ta.<\/strong><\/p>\n

\"\"<\/p>\n

Kepler-452b b\u00ean ph\u1ea3i, \u0111\u01b0\u1ee3c v\u00ed nh\u01b0 ng\u01b0\u1eddi anh c\u1ee7a Tr\u00e1i \u0111\u1ea5t.<\/p>\n

C\u00e1c nh\u00e0 khoa h\u1ecdc c\u1ee7a NASA \u0111\u1eb7t t\u00ean cho h\u00e0nh tinh m\u1edbi n\u00e0y l\u00e0 Kepler-452b, n\u00f3 \u0111\u01b0\u1ee3c xem nh\u01b0 m\u1ed9t ng\u01b0\u1eddi anh em song sinh v\u1edbi Tr\u00e1i \u0111\u1ea5t.
\nNASA cho bi\u1ebft Kepler-452b c\u00f3 d\u1ea5u hi\u1ec7u c\u1ee7a n\u01b0\u1edbc tr\u00ean b\u1ec1 m\u1eb7t v\u00e0 \u0111\u1eb7c bi\u1ec7t l\u00e0 n\u00f3 c\u0169ng quay quanh m\u1ed9t ng\u00f4i sao l\u1edbn, gi\u1ed1ng nh\u01b0 M\u1eb7t Tr\u1eddi c\u1ee7a ch\u00fang ta. V\u00e0 quan tr\u1ecdng nh\u1ea5t l\u00e0 kho\u1ea3ng c\u00e1ch gi\u1eefa Kepler-452b v\u00e0 M\u1eb7t Tr\u1eddi c\u1ee7a n\u00f3 l\u00e0 v\u1eeba \u0111\u1ee7 \u0111\u1ec3 nhi\u1ec7t \u0111\u1ed9 tr\u00ean b\u1ec1 m\u1eb7t kh\u00f4ng qu\u00e1 n\u00f3ng c\u0169ng nh\u01b0 kh\u00f4ng qu\u00e1 l\u1ea1nh.<\/p>\n

Kepler-452b c\u00f3 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn h\u01a1n 60% so v\u1edbi Tr\u00e1i \u0111\u1ea5t. Trong khi kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc b\u00ean trong v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh, c\u00e1c nghi\u00ean c\u1ee9u tr\u01b0\u1edbc \u0111\u00e2y cho th\u1ea5y m\u1ed9t h\u00e0nh tinh c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn nh\u01b0 v\u1eady th\u00ec r\u1ea5t c\u00f3 th\u1ec3 th\u00e0nh ph\u1ea7n c\u1ea5u t\u1ea1o b\u00ean trong ch\u1ee7 y\u1ebfu l\u00e0 \u0111\u00e1.<\/p>\n

C\u00e1c nh\u00e0 khoa h\u1ecdc c\u0169ng ti\u1ebfn h\u00e0nh quan s\u00e1t M\u1eb7t Tr\u1eddi c\u1ee7a Kepler-452b v\u00e0 ph\u00e1t hi\u1ec7n ra r\u1eb1ng n\u00f3 c\u0169ng c\u00f3 r\u1ea5t nhi\u1ec1u \u0111i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng v\u1edbi M\u1eb7t Tr\u1eddi c\u1ee7a ch\u00fang ta. \u0110\u00e2y l\u00e0 m\u1ed9t ng\u00f4i sao l\u1edbn 6 t\u1ef7 n\u0103m tu\u1ed5i, nhi\u1ec1u h\u01a1n s\u1ed1 tu\u1ed5i c\u1ee7a M\u1eb7t Tr\u1eddi 1,5 t\u1ef7 n\u0103m. N\u00f3 c\u00f3 c\u00f9ng nhi\u1ec7t \u0111\u1ed9, nh\u01b0ng s\u00e1ng h\u01a1n kho\u1ea3ng 20%. Kho\u1ea3ng c\u00e1ch t\u1eeb Kepler-452b \u0111\u1ebfn ng\u00f4i sao n\u00e0y ch\u1ec9 nhi\u1ec1u h\u01a1n 5% kho\u1ea3ng c\u00e1ch \u1eeb Tr\u00e1i \u0111\u1ea5t \u0111\u1ebfn M\u1eb7t Tr\u1eddi.<\/p>\n

NASA, Tr\u00e1i \u0111\u1ea5t, d\u1ea3i Ng\u00e2n h\u00e0
\nKepler-452b c\u0169ng n\u1eb1m trong m\u1ed9t h\u1ec7 M\u1eb7t Tr\u1eddi gi\u1ed1ng Tr\u00e1i \u0111\u1ea5t.
\nChuy\u00ean gia ph\u00e2n t\u00edch d\u1eef li\u1ec7u Jon Jenkins, thu\u1ed9c d\u1ef1 \u00e1n Kepler cho bi\u1ebft: \u201cKepler-452b gi\u1ed1ng nh\u01b0 m\u1ed9t ng\u01b0\u1eddi anh ru\u1ed9t c\u1ee7a Tr\u00e1i \u0111\u1ea5t, n\u00f3 \u0111\u00e3 t\u1eebng t\u1ed3n t\u1ea1i tr\u01b0\u1edbc Tr\u00e1i \u0111\u1ea5t. V\u00e0 nh\u1edd \u0111\u00f3 ch\u00fang ta c\u00f3 th\u1ec3 hi\u1ec3u th\u00eam v\u1ec1 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a Tr\u00e1i \u0111\u1ea5t th\u00f4ng qua vi\u1ec7c nghi\u00ean c\u1ee9u ng\u00f4i sao n\u00e0y\u201d.<\/p>\n

\u201cH\u1ec7 M\u1eb7t Tr\u1eddi\u201d c\u1ee7a Kepler-452b n\u1eb1m trong ch\u00f2m sao Cygnus c\u1ee7a d\u1ea3i Ng\u00e2n h\u00e0, c\u00e1ch Tr\u00e1i \u0111\u1ea5t 1.400 n\u0103m \u00e1nh s\u00e1ng.<\/p>\n

NASA, Tr\u00e1i \u0111\u1ea5t, d\u1ea3i Ng\u00e2n h\u00e0
\nS\u1ed1 l\u01b0\u1ee3ng c\u00e1c h\u00e0nh tinh c\u00f3 d\u1ea5u hi\u1ec7u s\u1ef1 s\u1ed1ng \u0111\u01b0\u1ee3c Kepler ph\u00e1t hi\u1ec7n \u0111\u00e3 l\u00ean \u0111\u1ebfn con s\u1ed1 4696.<\/p>\n

B\u00ean c\u1ea1nh vi\u1ec7c ph\u00e1t hi\u1ec7n ra h\u00e0nh tinh gi\u1ed1ng Tr\u00e1i \u0111\u1ea5t nh\u1ea5t t\u1eeb tr\u01b0\u1edbc \u0111\u1ebfn nay, k\u00ednh thi\u00ean v\u0103n Kepler c\u0169ng ph\u00e1t hi\u1ec7n ra nhi\u1ec1u \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1c h\u1ee9a h\u1eb9n c\u00f3 d\u1ea5u hi\u1ec7u c\u1ee7a s\u1ef1 s\u1ed1ng. C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng n\u00e0y \u0111\u00e3 l\u00ean \u0111\u1ebfn con s\u1ed1 4696, tuy nhi\u00ean c\u00e1c nh\u00e0 khoa h\u1ecdc NASA c\u1ea7n ph\u1ea3i quan s\u00e1t v\u00e0 ph\u00e2n t\u00edch th\u00eam \u0111\u1ec3 x\u00e1c minh r\u1eb1ng ch\u00fang th\u1ef1c s\u1ef1 l\u00e0 c\u00e1c h\u00e0nh tinh.<\/p>\n

Ph\u00e1t hi\u1ec7n n\u00e0y c\u1ee7a NASA s\u1ebd \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed Astrophysical. Trong khi \u0111\u00f3 c\u00e1c nh\u00e0 khoa h\u1ecdc NASA s\u1ebd ti\u1ebfp t\u1ee5c l\u1eadp danh s\u00e1ch c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n b\u1edfi k\u00ednh thi\u00ean v\u0103n Kepler v\u00e0 ti\u1ebfn h\u00e0nh ph\u00e2n t\u00edch \u0111\u1ec3 t\u00ecm ra th\u00eam nh\u1eefng h\u00e0nh tinh c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i s\u1ef1 s\u1ed1ng.<\/p>\n

Theo Tr\u00ed th\u1ee9c tr\u1ebb\/ NASA<\/p>\n

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

C\u00e1c nh\u00e0 khoa h\u1ecdc c\u1ee7a NASA \u0111\u1eb7t t\u00ean cho h\u00e0nh tinh m\u1edbi n\u00e0y l\u00e0 Kepler-452b, n\u00f3 \u0111\u01b0\u1ee3c xem nh\u01b0 m\u1ed9t ng\u01b0\u1eddi anh em song sinh v\u1edbi Tr\u00e1i \u0111\u1ea5t.NASA cho bi\u1ebft Kepler-452b c\u00f3 d\u1ea5u hi\u1ec7u c\u1ee7a n\u01b0\u1edbc tr\u00ean b\u1ec1 m\u1eb7t v\u00e0 \u0111\u1eb7c bi\u1ec7t l\u00e0 n\u00f3 c\u0169ng quay quanh m\u1ed9t …<\/p>\n","protected":false},"author":17,"featured_media":3335,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-3334","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\/3334","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=3334"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/3334\/revisions"}],"predecessor-version":[{"id":3336,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/3334\/revisions\/3336"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/3335"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=3334"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=3334"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=3334"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}