{"id":26438,"date":"2020-06-29T13:21:44","date_gmt":"2020-06-29T13:21:44","guid":{"rendered":"https:\/\/chanhkien.org\/?p=26438"},"modified":"2025-06-07T02:20:58","modified_gmt":"2025-06-06T19:20:58","slug":"26438","status":"publish","type":"post","link":"https:\/\/chanhkien.org\/2020\/06\/26438.html","title":{"rendered":"Ph\u00e1t hi\u1ec7n m\u1edbi v\u1ec1 thi\u00ean v\u0103n – M\u1ed9t M\u1eb7t Tr\u1eddi v\u00e0 Tr\u00e1i \u0110\u1ea5t kh\u00e1c trong d\u1ea3i Ng\u00e2n H\u00e0"},"content":{"rendered":"

[ChanhKien.org]<\/b><\/p>\n

\"\"<\/a><\/p>\n

\u1ea2nh: S\u01a1 \u0111\u1ed3 kh\u00e1i ni\u1ec7m k\u1ebf ho\u1ea1ch “Tr\u00e1i \u0110\u1ea5t 2.0” c\u1ee7a NASA. K\u1ebf ho\u1ea1ch th\u1eed t\u00ecm c\u00e1c b\u1ea3n sao c\u1ee7a Tr\u00e1i \u0110\u1ea5t v\u00e0 M\u1eb7t Tr\u1eddi trong D\u1ea3i ng\u00e2n h\u00e0. Credit: NASA Ames\/JPL-Caltech\/T. Pyle<\/em><\/p>\n

Theo CNN \u0111\u01b0a tin, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ph\u00e1t hi\u1ec7n ra m\u1ed9t h\u00e0nh tinh c\u1ee1 Tr\u00e1i \u0110\u1ea5t, n\u1eb1m ngo\u00e0i h\u1ec7 m\u1eb7t tr\u1eddi c\u00e1ch Tr\u00e1i \u0110\u1ea5t kho\u1ea3ng 3.000 n\u0103m \u00e1nh s\u00e1ng, n\u00f3 quay quanh m\u1ed9t ng\u00f4i sao t\u01b0\u01a1ng t\u1ef1 M\u1eb7t Tr\u1eddi.<\/p>\n

Ng\u00f4i sao n\u00e0y \u0111\u01b0\u1ee3c k\u00fd hi\u1ec7u l\u00e0 Kepler-160, k\u00edch th\u01b0\u1edbc v\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a n\u00f3 t\u01b0\u01a1ng t\u1ef1 nh\u01b0 M\u1eb7t Tr\u1eddi.<\/p>\n

C\u00e1c quan s\u00e1t tr\u01b0\u1edbc \u0111\u00e2y ch\u1ec9 ra r\u1eb1ng Kepler-160 c\u00f3 hai h\u00e0nh tinh l\u00e0 Kepler-160b v\u00e0 Kepler-160c. Nh\u01b0ng ch\u00fang l\u1edbn h\u01a1n Tr\u00e1i \u0110\u1ea5t r\u1ea5t nhi\u1ec1u, \u0111\u1ed3ng th\u1eddi quay r\u1ea5t s\u00e1t quanh c\u00e1c ng\u00f4i sao, khi\u1ebfn nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t c\u1ee7a ch\u00fang r\u1ea5t n\u00f3ng v\u00e0 kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi s\u1ef1 s\u1ed1ng. Tuy nhi\u00ean, th\u1eddi gian qu\u1ef9 \u0111\u1ea1o v\u00f2ng quanh c\u1ee7a Kepler-160c cho th\u1ea5y c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i m\u1ed9t h\u00e0nh tinh th\u1ee9 ba trong h\u1ec7 th\u1ed1ng.<\/p>\n

T\u00e1c gi\u1ea3 th\u1ee9 nh\u1ea5t c\u1ee7a b\u00e0i b\u00e1o – Rene Heller – m\u1ed9t nghi\u00ean c\u1ee9u sinh sau ti\u1ebfn s\u0129 t\u1ea1i Vi\u1ec7n H\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng M\u1eb7t Tr\u1eddi Max Planck \u1edf \u0110\u1ee9c cho bi\u1ebft: “Ph\u00e2n t\u00edch c\u1ee7a ch\u00fang t\u00f4i cho th\u1ea5y Kepler-160 kh\u00f4ng ph\u1ea3i c\u00f3 hai h\u00e0nh tinh, m\u00e0 l\u00e0 t\u1ed5ng c\u1ed9ng b\u1ed1n h\u00e0nh tinh”.<\/p>\n

H\u00e0nh tinh th\u1ee9 ba l\u00e0 Kepler-160d, ch\u00ednh l\u00e0 n\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn th\u1eddi gian qu\u1ef9 \u0111\u1ea1o v\u00f2ng quanh c\u1ee7a Kepler-160c. Nh\u01b0ng c\u00f3 m\u1ed9t h\u00e0nh tinh ti\u1ec1m \u1ea9n kh\u00e1c \u0111\u1eb7c bi\u1ec7t v\u00e0 th\u00fa v\u1ecb h\u01a1n.<\/p>\n

H\u00e0nh tinh \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eed c\u00f3 k\u00fd hi\u1ec7u l\u00e0 KOI-456.04. N\u00f3 c\u00f3 k\u00edch th\u01b0\u1edbc t\u01b0\u01a1ng \u0111\u01b0\u01a1ng Tr\u00e1i \u0110\u1ea5t, k\u00edch c\u1ee1 l\u00e0 t\u1eeb kho\u1ea3ng m\u1ed9t n\u1eeda \u0111\u1ebfn hai l\u1ea7n Tr\u00e1i \u0110\u1ea5t v\u00e0 n\u00f3 c\u00f2n chuy\u1ec3n \u0111\u1ed9ng v\u00f2ng quanh Kepler-160 \u1edf m\u1ed9t kho\u1ea3ng c\u00e1ch nh\u1ea5t \u0111\u1ecbnh, khi\u1ebfn n\u00f3 n\u1eb1m \u1edf trong khu v\u1ef1c c\u00f3 th\u1ec3 c\u00f3 s\u1ef1 s\u1ed1ng c\u1ee7a ng\u00f4i sao. Nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t c\u1ee7a h\u00e0nh tinh n\u00e0y cho ph\u00e9p c\u00f3 n\u01b0\u1edbc l\u1ecfng trong \u0111\u00f3 v\u00e0 c\u00f3 ti\u1ec1m n\u0103ng t\u1ea1o ra s\u1ef1 s\u1ed1ng.<\/p>\n

Chu k\u1ef3 v\u1eadn h\u00e0nh c\u1ee7a n\u00f3 quanh Kepler-160 l\u00e0 378 ng\u00e0y, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 365 ng\u00e0y c\u1ee7a Tr\u00e1i \u0110\u1ea5t m\u1ed7i n\u0103m. \u0110i\u1ec1u n\u00e0y l\u00e0m cho h\u00e0nh tinh n\u00e0y v\u00e0 Kepler-160 g\u1ea7n nh\u01b0 l\u00e0 m\u1ed9t b\u1ea3n sao c\u1ee7a Tr\u00e1i \u0110\u1ea5t v\u00e0 M\u1eb7t Tr\u1eddi.<\/p>\n

Ti\u1ebfn s\u0129 Heller n\u00f3i: “KOI-456.01 t\u01b0\u01a1ng \u0111\u1ed1i l\u1edbn so v\u1edbi nhi\u1ec1u h\u00e0nh tinh c\u00f3 th\u1ec3 c\u00f3 s\u1ef1 s\u1ed1ng kh\u00e1c. Nh\u01b0ng k\u00edch th\u01b0\u1edbc to nh\u1ecf c\u1ee7a n\u00f3 kh\u00f4ng sai kh\u00e1c qu\u00e1 hai l\u1ea7n so v\u1edbi Tr\u00e1i \u0110\u1ea5t, k\u1ebft h\u1ee3p v\u1edbi vi\u1ec7c ng\u00f4i sao trung t\u00e2m c\u1ee7a n\u00f3 gi\u1ed1ng nh\u01b0 M\u1eb7t Tr\u1eddi, khi\u1ebfn n\u00f3 tr\u1edf n\u00ean \u0111\u1eb7c bi\u1ec7t v\u00e0 quen thu\u1ed9c”.<\/p>\n

T\u1ea5t c\u1ea3 c\u00e1c nh\u00e2n t\u1ed1 trong c\u00e1ch h\u00e0nh tinh ti\u1ec1m \u1ea9n n\u00e0y t\u01b0\u01a1ng t\u00e1c v\u1edbi ng\u00f4i sao c\u1ee7a n\u00f3 c\u00f3 ngh\u0129a l\u00e0 \u0111i\u1ec1u ki\u1ec7n b\u1ec1 m\u1eb7t c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 gi\u1ed1ng v\u1edbi Tr\u00e1i \u0110\u1ea5t, nh\u01b0ng t\u1ea5t c\u1ea3 ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c n\u00f3 c\u00f3 b\u1ea7u kh\u00ed quy\u1ec3n hay kh\u00f4ng. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u n\u00f3i r\u1eb1ng n\u1ebfu h\u00e0nh tinh n\u00e0y c\u00f3 b\u1ea7u kh\u00ed quy\u1ec3n \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u \u1ee9ng nh\u00e0 k\u00ednh t\u01b0\u01a1ng t\u1ef1 nh\u01b0 Tr\u00e1i \u0110\u1ea5t, nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh s\u1ebd t\u01b0\u01a1ng t\u1ef1 nh\u01b0 nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh to\u00e0n c\u1ea7u c\u1ee7a Tr\u00e1i \u0110\u1ea5t.<\/p>\n

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u ch\u1ec9 ra r\u1eb1ng d\u1eef li\u1ec7u quan s\u00e1t hi\u1ec7n t\u1ea1i v\u1eabn kh\u00f4ng th\u1ec3 x\u00e1c nh\u1eadn r\u1eb1ng KOI-456.01 l\u00e0 m\u1ed9t h\u00e0nh tinh, c\u00f3 th\u1ec3 l\u00e0 l\u1ed7i \u0111o l\u01b0\u1eddng. Theo d\u1eef li\u1ec7u c\u1ee7a h\u1ecd, c\u00f3 x\u00e1c su\u1ea5t 85% r\u1eb1ng \u0111\u00f3 l\u00e0 m\u1ed9t h\u00e0nh tinh. Nh\u01b0ng \u0111\u1ec3 c\u00f3 th\u1ec3 x\u00e1c nh\u1eadn n\u00f3 l\u00e0 m\u1ed9t h\u00e0nh tinh, n\u00f3 c\u1ea7n \u0111\u1ea1t 99%. C\u00e1c quan s\u00e1t c\u1ee7a h\u1ec7 th\u1ed1ng b\u1eb1ng k\u00ednh vi\u1ec5n v\u1ecdng m\u1eb7t \u0111\u1ea5t ho\u1eb7c kh\u00f4ng gian trong t\u01b0\u01a1ng lai c\u00f3 th\u1ec3 x\u00e1c nh\u1eadn xem \u0111\u00f3 c\u00f3 ph\u1ea3i l\u00e0 m\u1ed9t h\u00e0nh tinh hay kh\u00f4ng. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m d\u1ef1 \u00e1n PLATO c\u1ee7a C\u01a1 quan V\u0169 tr\u1ee5 ch\u00e2u \u00c2u (ESA), k\u00ednh vi\u1ec5n v\u1ecdng n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c ph\u00f3ng v\u00e0o n\u0103m 2026 v\u00e0 t\u00ecm ki\u1ebfm c\u00e1c c\u00e1c m\u1ee5c ti\u00eau nh\u01b0 c\u00e1c h\u00e0nh tinh c\u00f3 k\u00edch th\u01b0\u1edbc Tr\u00e1i \u0110\u1ea5t xung quanh c\u00e1c ng\u00f4i sao gi\u1ed1ng nh\u01b0 M\u1eb7t Tr\u1eddi.<\/p>\n

Nhi\u1ec1u h\u00e0nh tinh ngo\u00e0i h\u1ec7 M\u1eb7t Tr\u1eddi c\u00f3 k\u00edch th\u01b0\u1edbc Tr\u00e1i \u0110\u1ea5t \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y \u0111\u1ec1u l\u00e0 quay quanh c\u00e1c sao l\u00f9n \u0111\u1ecf ch\u1ee9 kh\u00f4ng ph\u1ea3i c\u00e1c ng\u00f4i sao nh\u01b0 M\u1eb7t Tr\u1eddi. Sao l\u00f9n \u0111\u1ecf nh\u1ecf h\u01a1n v\u00e0 l\u1ea1nh h\u01a1n M\u1eb7t Tr\u1eddi c\u1ee7a ch\u00fang ta, v\u00e0 qu\u1ef9 \u0111\u1ea1o c\u1ee7a c\u00e1c h\u00e0nh tinh xung quanh ch\u00fang g\u1ea7n h\u01a1n so v\u1edbi kho\u1ea3ng c\u00e1ch t\u1eeb M\u1eb7t Tr\u1eddi t\u1edbi Tr\u00e1i \u0110\u1ea5t.<\/p>\n

Tuy nhi\u00ean, nh\u1eefng ng\u00f4i sao l\u00f9n \u0111\u1ecf n\u00e0y ph\u00e1t ra b\u1ee9c x\u1ea1 h\u1ed3ng ngo\u1ea1i, kh\u00e1c v\u1edbi \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c t\u1eeb M\u1eb7t Tr\u1eddi. Ch\u00fang c\u0169ng c\u00f3 th\u1ec3 t\u00e1c \u0111\u1ed9ng m\u1ea1nh \u0111\u1ebfn c\u00e1c h\u00e0nh tinh c\u1ee7a ch\u00fang b\u1eb1ng c\u00e1c b\u00e3o “m\u1eb7t tr\u1eddi” c\u1ee7a ch\u00fang v\u00e0 b\u1ee9c x\u1ea1 n\u0103ng l\u01b0\u1ee3ng cao. \u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao hi\u1ec7n nay kh\u1ea3 n\u0103ng c\u00f3 th\u1ec3 sinh s\u1ed1ng tr\u00ean c\u00e1c h\u00e0nh tinh n\u00e0y v\u1eabn c\u00f2n g\u00e2y tranh c\u00e3i.<\/p>\n

Ti\u1ebfn s\u0129 Heller n\u00f3i: “Kh\u1ea3 n\u0103ng sinh s\u1ed1ng \u0111\u01b0\u1ee3c tr\u00ean m\u1ed9t h\u00e0nh tinh c\u0169ng li\u00ean quan \u0111\u1ebfn b\u1ea3n ch\u1ea5t c\u1ee7a ng\u00f4i sao c\u1ee7a n\u00f3”. Nghi\u00ean c\u1ee9u n\u00e0y m\u1edbi \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed Astronomy and Astrophysics v\u00e0o ng\u00e0y 4 th\u00e1ng 6 n\u0103m 2020.<\/p>\n

D\u1ecbch t\u1eeb:\u00a0http:\/\/www.zhengjian.org\/node\/259639<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

[ChanhKien.org] \u1ea2nh: S\u01a1 \u0111\u1ed3 kh\u00e1i ni\u1ec7m k\u1ebf ho\u1ea1ch “Tr\u00e1i \u0110\u1ea5t 2.0” c\u1ee7a NASA. K\u1ebf ho\u1ea1ch th\u1eed t\u00ecm c\u00e1c b\u1ea3n sao c\u1ee7a Tr\u00e1i \u0110\u1ea5t v\u00e0 M\u1eb7t Tr\u1eddi trong D\u1ea3i ng\u00e2n h\u00e0. Credit: NASA Ames\/JPL-Caltech\/T. Pyle Theo CNN \u0111\u01b0a tin, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ph\u00e1t hi\u1ec7n ra m\u1ed9t h\u00e0nh tinh c\u1ee1 Tr\u00e1i \u0110\u1ea5t, n\u1eb1m ngo\u00e0i h\u1ec7 […]<\/p>\n","protected":false},"author":12,"featured_media":26439,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","ngg_post_thumbnail":0,"footnotes":""},"categories":[84],"tags":[],"class_list":["post-26438","post","type-post","status-publish","format-standard","hentry","category-vu-tru-hoc"],"acf":[],"yoast_head":"\nPh\u00e1t hi\u1ec7n m\u1edbi v\u1ec1 thi\u00ean v\u0103n - M\u1ed9t M\u1eb7t Tr\u1eddi v\u00e0 Tr\u00e1i \u0110\u1ea5t kh\u00e1c trong d\u1ea3i Ng\u00e2n H\u00e0 - Ch\u00e1nh Ki\u1ebfn Net<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/chanhkien.org\/2020\/06\/26438.html\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ph\u00e1t hi\u1ec7n m\u1edbi v\u1ec1 thi\u00ean v\u0103n - M\u1ed9t M\u1eb7t Tr\u1eddi v\u00e0 Tr\u00e1i \u0110\u1ea5t kh\u00e1c trong d\u1ea3i Ng\u00e2n H\u00e0 - Ch\u00e1nh Ki\u1ebfn Net\" \/>\n<meta property=\"og:description\" content=\"[ChanhKien.org] \u1ea2nh: S\u01a1 \u0111\u1ed3 kh\u00e1i ni\u1ec7m k\u1ebf ho\u1ea1ch “Tr\u00e1i \u0110\u1ea5t 2.0” c\u1ee7a NASA. 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