{"id":30737,"date":"2021-01-26T10:01:00","date_gmt":"2021-01-26T03:01:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=30737"},"modified":"2022-01-04T10:04:41","modified_gmt":"2022-01-04T03:04:41","slug":"phat-hien-he-sau-hanh-tinh-co-quy-dao-bi-khoa","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/phat-hien-he-sau-hanh-tinh-co-quy-dao-bi-khoa\/","title":{"rendered":"Ph\u00e1t hi\u1ec7n h\u1ec7 s\u00e1u h\u00e0nh tinh c\u00f3 qu\u1ef9 \u0111\u1ea1o ‘b\u1ecb kh\u00f3a’"},"content":{"rendered":"\n

Nghi\u00ean c\u1ee9u m\u1edbi cho th\u1ea5y h\u1ec7 th\u1ed1ng TOI-178 c\u00e1ch Tr\u00e1i \u0110\u1ea5t 200 n\u0103m \u00e1nh s\u00e1ng ch\u1ee9a \u00edt nh\u1ea5t 6 h\u00e0nh tinh v\u1edbi qu\u1ef9 \u0111\u1ea1o hi\u1ebfm g\u1eb7p.<\/p>\n\n\n\n

\"M\u00f4
M\u00f4 ph\u1ecfng h\u1ec7 h\u00e0nh tinh TOI-178. \u1ea2nh: ESA.<\/em><\/figcaption><\/figure><\/div>\n\n\n\n

Vi\u1ec7c ph\u00e1t hi\u1ec7n ng\u00e0y c\u00e0ng nhi\u1ec1u c\u00e1c h\u1ec7 h\u00e0nh tinh kh\u00e1c bi\u1ec7t so v\u1edbi h\u1ec7 M\u1eb7t Tr\u1eddi c\u1ee7a ch\u00fang ta \u0111ang kh\u00f4ng ng\u1eebng th\u00e1ch th\u1ee9c hi\u1ec3u bi\u1ebft c\u1ee7a gi\u1edbi thi\u00ean v\u0103n h\u1ecdc. H\u1ec7 s\u00e1u h\u00e0nh tinh TOI-178 m\u1edbi \u0111\u01b0\u1ee3c kh\u00e1m ph\u00e1 trong ch\u00f2m sao Ng\u1ecdc Phu l\u00e0 m\u1ed9t v\u00ed d\u1ee5 n\u1ed5i b\u1eadt cho \u0111i\u1ec1u n\u00e0y.<\/p>\n\n\n\n

Tr\u01b0\u1edbc \u0111\u00e2y, khi quan s\u00e1t TOI-178 b\u1eb1ng V\u1ec7 tinh Kh\u1ea3o s\u00e1t Ngo\u1ea1i h\u00e0nh tinh Qu\u00e1 c\u1ea3nh (TESS) c\u1ee7a NASA, c\u00e1c nh\u00e0 khoa h\u1ecdc d\u1ef1 \u0111o\u00e1n ng\u00f4i sao n\u00e0y ch\u1ec9 c\u00f3 hai h\u00e0nh tinh quay quanh. Tuy nhi\u00ean, nh\u1eefng quan s\u00e1t m\u1edbi c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n t\u1eeb v\u1ec7 tinh CHEOPS c\u1ee7a C\u01a1 quan V\u0169 tr\u1ee5 ch\u00e2u \u00c2u (ESA) – \u0111\u01b0\u1ee3c ph\u00f3ng l\u00ean v\u00e0o cu\u1ed1i n\u0103m 2019 – \u0111\u00e3 ti\u1ebft l\u1ed9 r\u1eb1ng h\u1ec7 th\u1ed1ng n\u00e0y ch\u1ee9a \u00edt nh\u1ea5t 6 h\u00e0nh tinh v\u1edbi qu\u1ef9 \u0111\u1ea1o hi\u1ebfm th\u1ea5y.<\/p>\n\n\n\n

Trong b\u00e1o c\u00e1o xu\u1ea5t b\u1ea3n tr\u00ean t\u1ea1p ch\u00ed Thi\u00ean v\u0103n h\u1ecdc & V\u1eadt l\u00fd thi\u00ean v\u0103n<\/em> h\u00f4m 25\/1, nh\u00f3m nghi\u00ean c\u1ee9u t\u1eeb \u0110\u1ea1i h\u1ecdc Geneva v\u00e0 Bern c\u1ee7a Th\u1ee5y S\u0129, do Ti\u1ebfn s\u0129 Adrien Leleu d\u1eabn \u0111\u1ea7u, cho bi\u1ebft ngo\u1ea1i tr\u1eeb h\u00e0nh tinh g\u1ea7n ng\u00f4i sao nh\u1ea5t, c\u1ea3 n\u0103m h\u00e0nh tinh \u1edf ph\u00eda ngo\u00e0i c\u1ee7a h\u1ec7 th\u1ed1ng TOI-178 \u0111\u1ec1u “b\u1ecb kh\u00f3a” trong qu\u1ef9 \u0111\u1ea1o l\u1eb7p l\u1ea1i c\u1ee7a ch\u00fang. C\u00e1c nh\u00e0 khoa h\u1ecdc g\u1ecdi hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y l\u00e0 c\u1ed9ng h\u01b0\u1edfng qu\u1ef9 \u0111\u1ea1o, c\u00f3 ngh\u0129a l\u00e0 n\u00f3 c\u00f3 nh\u1eefng m\u00f4 h\u00ecnh l\u1eb7p l\u1ea1i khi c\u00e1c h\u00e0nh tinh di chuy\u1ec3n xung quanh ng\u00f4i sao, v\u1edbi m\u1ed9t s\u1ed1 h\u00e0nh tinh c\u1ee9 sau v\u00e0i v\u00f2ng qu\u1ef9 \u0111\u1ea1o l\u1ea1i th\u1eb3ng h\u00e0ng v\u1edbi nhau.Video Player is loading.D\u1eebngHi\u1ec7n t\u1ea1i 0:07\/Th\u1eddi l\u01b0\u1ee3ng 1:12\u0110\u00e3 t\u1ea3i: 0%Ti\u1ebfn tr\u00ecnh: 0%B\u1ecf t\u1eaft ti\u1ebfngTo\u00e0n m\u00e0n h\u00ecnh<\/a><\/a><\/a><\/p>\n\n\n\n

M\u00f4 ph\u1ecfng chuy\u1ec3n \u0111\u1ed9ng c\u1ed9ng h\u01b0\u1edfng c\u1ee7a h\u1ec7 th\u1ed1ng TOI-178. Video: ESA<\/em>.<\/p>\n\n\n\n

Hi\u1ec7n t\u01b0\u1ee3ng c\u1ed9ng h\u01b0\u1edfng n\u00e0y tr\u01b0\u1edbc \u0111\u00e2y \u0111\u00e3 t\u1eebng \u0111\u01b0\u1ee3c quan s\u00e1t th\u1ea5y trong qu\u1ef9 \u0111\u1ea1o c\u1ee7a nh\u00f3m m\u1eb7t tr\u0103ng Io, Europa v\u00e0 Ganymede c\u1ee7a sao M\u1ed9c. Trong \u0111\u00f3, v\u1edbi m\u1ed7i qu\u1ef9 \u0111\u1ea1o c\u1ee7a Europa, Ganymede ho\u00e0n th\u00e0nh hai qu\u1ef9 \u0111\u1ea1o v\u00e0 Io ho\u00e0n th\u00e0nh b\u1ed1n qu\u1ef9 \u0111\u1ea1o. \u0110\u00e2y l\u00e0 m\u00f4 h\u00ecnh 4:2:1.<\/p>\n\n\n\n

Tuy nhi\u00ean, chuy\u1ec3n \u0111\u1ed9ng c\u1ed9ng h\u01b0\u1edfng trong h\u1ec7 th\u1ed1ng TOI-178 ph\u1ee9c t\u1ea1p h\u01a1n nhi\u1ec1u v\u00ec n\u00f3 li\u00ean quan \u0111\u1ebfn n\u0103m h\u00e0nh tinh theo m\u00f4 h\u00ecnh 18:9:6:4:3. Ban \u0111\u1ea7u, c\u00e1c nh\u00e0 khoa h\u1ecdc ch\u1ec9 t\u00ecm th\u1ea5y b\u1ed1n h\u00e0nh tinh trong chu\u1ed7i c\u1ed9ng h\u01b0\u1edfng, nh\u01b0ng d\u1ef1a theo m\u00f4 h\u00ecnh, h\u1ecd d\u1ef1 \u0111o\u00e1n r\u1eb1ng ph\u1ea3i c\u00f3 m\u1ed9t h\u00e0nh tinh kh\u00e1c \u1ea9n trong h\u1ec7 th\u1ed1ng (h\u00e0nh tinh th\u1ee9 n\u0103m t\u00ednh t\u1eeb ng\u00f4i sao). Quan s\u00e1t b\u1ed5 sung t\u1eeb CHEOPS sau \u0111\u00f3 \u0111\u00e3 x\u00e1c nh\u1eadn gi\u1ea3 \u0111\u1ecbnh n\u00e0y l\u00e0 \u0111\u00fang.<\/p>\n\n\n\n

C\u00e1c qu\u1ef9 \u0111\u1ea1o trong TOI-178 \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp r\u1ea5t t\u1ed1t, cho th\u1ea5y h\u1ec7 th\u1ed1ng n\u00e0y \u0111\u00e3 ph\u00e1t tri\u1ec3n kh\u00e1 “y\u00ean b\u00ecnh” k\u1ec3 t\u1eeb khi n\u00f3 h\u00ecnh th\u00e0nh.<\/p>\n\n\n\n

Trong khi c\u00e1c h\u00e0nh tinh c\u1ee7a TOI-178 quay quanh ng\u00f4i sao m\u1ed9t c\u00e1ch c\u00f3 tr\u1eadt t\u1ef1, m\u1eadt \u0111\u1ed9 v\u00e0 k\u00edch th\u01b0\u1edbc c\u1ee7a ch\u00fang l\u1ea1i kh\u00f4ng tu\u00e2n theo b\u1ea5t k\u1ef3 m\u00f4 h\u00ecnh c\u1ee5 th\u1ec3 n\u00e0o. M\u1ed9t trong nh\u1eefng h\u00e0nh tinh c\u1ee7a n\u00f3 c\u00f3 m\u1eadt \u0111\u1ed9 b\u1ec1 m\u1eb7t d\u00e0y \u0111\u1eb7c nh\u01b0 Tr\u00e1i \u0110\u1ea5t, n\u1eb1m c\u1ea1nh m\u1ed9t h\u00e0nh tinh x\u1ed1p c\u00f3 k\u00edch th\u01b0\u1edbc t\u01b0\u01a1ng t\u1ef1.<\/p>\n\n\n\n

“\u0110\u00e2y l\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean ch\u00fang t\u00f4i quan s\u00e1t th\u1ea5y s\u1ef1 thi\u1ebft l\u1eadp nh\u01b0 v\u1eady trong m\u1ed9t h\u1ec7 h\u00e0nh tinh. Th\u00f4ng th\u01b0\u1eddng, c\u00e1c h\u00e0nh tinh trong chu\u1ed7i c\u1ed9ng h\u01b0\u1edfng c\u00f3 m\u1eadt \u0111\u1ed9 gi\u1ea3m d\u1ea7n khi ch\u00fang di chuy\u1ec3n ra xa ng\u00f4i sao v\u00e0 \u0111\u00f3 c\u0169ng l\u00e0 \u0111i\u1ec1u m\u00e0 ch\u00fang t\u00f4i mong \u0111\u1ee3i”, Adrien chia s\u1ebb. “Ph\u00e1t hi\u1ec7n m\u1edbi \u0111ang th\u00e1ch th\u1ee9c c\u00e1c l\u00fd thuy\u1ebft hi\u1ec7n t\u1ea1i v\u1ec1 s\u1ef1 h\u00ecnh th\u00e0nh h\u00e0nh tinh”.<\/p>\n\n\n\n

Nh\u00f3m c\u1ee7a Adrien mu\u1ed1n ti\u1ebfp t\u1ee5c s\u1eed d\u1ee5ng CHEOPS \u0111\u1ec3 nghi\u00ean c\u1ee9u chi ti\u1ebft h\u01a1n v\u1ec1 h\u1ec7 th\u1ed1ng TOI-178, bao g\u1ed3m kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 s\u1ef1 s\u1ed1ng c\u1ee7a c\u00e1c h\u00e0nh tinh v\u00e0 \u0111i\u1ec1u g\u00ec \u0111\u00e3 x\u1ea3y ra v\u1edbi h\u00e0nh tinh \u1edf trong c\u00f9ng c\u1ee7a h\u1ec7 th\u1ed1ng khi\u1ebfn n\u00f3 kh\u00f4ng tham gia v\u00e0o chuy\u1ec3n \u0111\u1ed9ng c\u1ed9ng h\u01b0\u1edfng.<\/p>\n\n\n\n

\u0110o\u00e0n D\u01b0\u01a1ng<\/strong>\u00a0(Theo\u00a0ESA<\/em>)<\/p>\n\n\n\n

https:\/\/vnexpress.net\/phat-hien-he-sau-hanh-tinh-co-quy-dao-bi-khoa-4226464.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Nghi\u00ean c\u1ee9u m\u1edbi cho th\u1ea5y h\u1ec7 th\u1ed1ng TOI-178 c\u00e1ch Tr\u00e1i \u0110\u1ea5t 200 n\u0103m \u00e1nh s\u00e1ng ch\u1ee9a \u00edt nh\u1ea5t 6 h\u00e0nh tinh v\u1edbi qu\u1ef9 \u0111\u1ea1o hi\u1ebfm g\u1eb7p. Vi\u1ec7c ph\u00e1t hi\u1ec7n ng\u00e0y c\u00e0ng nhi\u1ec1u c\u00e1c h\u1ec7 h\u00e0nh tinh kh\u00e1c bi\u1ec7t so v\u1edbi h\u1ec7 M\u1eb7t Tr\u1eddi c\u1ee7a ch\u00fang ta \u0111ang kh\u00f4ng ng\u1eebng th\u00e1ch th\u1ee9c hi\u1ec3u bi\u1ebft c\u1ee7a gi\u1edbi […]<\/p>\n","protected":false},"author":23,"featured_media":30738,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-30737","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\/30737","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=30737"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/30737\/revisions"}],"predecessor-version":[{"id":30739,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/30737\/revisions\/30739"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/30738"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=30737"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=30737"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=30737"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}