{"id":2323,"date":"2026-09-27T01:14:00","date_gmt":"2026-09-26T16:14:00","guid":{"rendered":"https:\/\/onepress.co.kr\/index.php\/briefing\/2026-09-27-gj3090b-retrograde-vi\/"},"modified":"2026-09-27T01:14:00","modified_gmt":"2026-09-26T16:14:00","slug":"2026-09-27-gj3090b-retrograde-vi","status":"publish","type":"briefing","link":"https:\/\/onepress.co.kr\/index.php\/briefing\/2026-09-27-gj3090b-retrograde-vi\/","title":{"rendered":"M\u1ed9t h\u00e0nh tinh ki\u1ec3u H\u1ea3i V\u01b0\u01a1ng nh\u1ecf quay ng\u01b0\u1ee3c quanh sao l\u00f9n \u0111\u1ecf GJ 3090"},"content":{"rendered":"

2026-09-27 01:14 KST<\/strong><\/p>\n

H\u00e0nh tinh c\u00f3 b\u00e1n k\u00ednh kho\u1ea3ng 2,2 v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng 4,5 l\u1ea7n Tr\u00e1i \u0110\u1ea5t, chu k\u1ef3 2,85 ng\u00e0y. Ph\u1ed5 qu\u00e1 c\u1ea3nh NIRPS v\u00e0 th\u00f4ng tin quay sao cho g\u00f3c ba chi\u1ec1u.<\/p>\n

Sao v\u00e0 h\u00e0nh tinh th\u01b0\u1eddng th\u1eeba h\u01b0\u1edfng h\u01b0\u1edbng \u0111\u0129a chung. G\u00f3c tr\u00ean 90\u00b0 \u0111\u1eb7t m\u00f4men qu\u1ef9 \u0111\u1ea1o \u1edf b\u00e1n c\u1ea7u \u0111\u1ed1i di\u1ec7n v\u1edbi spin sao.<\/p>\n

Thi\u1ebfu v\u1eadt th\u1ec3 g\u00e2y nhi\u1ec5u d\u1ef1 ki\u1ebfn<\/h2>\n

\u0110\u1ed9 nghi\u00eang l\u1edbn th\u01b0\u1eddng do h\u00e0nh tinh ngo\u00e0i n\u1eb7ng ho\u1eb7c sao \u0111\u1ed3ng h\u00e0nh. \u1ea2nh v\u00e0 v\u1eadn t\u1ed1c ch\u01b0a th\u1ea5y v\u1eadt th\u1ec3 \u0111\u1ee7 s\u1ee9c gi\u1ea3i th\u00edch trong gi\u1edbi h\u1ea1n hi\u1ec7n t\u1ea1i.<\/p>\n

Ngu\u1ed3n g\u1ed1c v\u1eabn l\u00e0 gi\u1ea3 thuy\u1ebft<\/h2>\n

Sao c\u00f3 th\u1ec3 t\u1eebng nh\u1eadn \u0111\u0129a kh\u00ed th\u1ee9 hai l\u1ec7ch h\u01b0\u1edbng. Qu\u1ef9 \u0111\u1ea1o hi\u1ec7n t\u1ea1i v\u00e0 thi\u1ebfu b\u1ea1n \u0111\u1ed3ng h\u00e0nh l\u00e0 quan s\u00e1t; \u0111\u0129a th\u1ee9 hai l\u00e0 l\u1eddi gi\u1ea3i ch\u01b0a th\u1ea5y tr\u1ef1c ti\u1ebfp.<\/p>\n

\"M\u1ed9t
\u0110\u00e2y l\u00e0 h\u00ecnh \u1ea3nh t\u1ea1o b\u1eb1ng AI \u0111\u1ec3 gi\u1ea3i th\u00edch ch\u1ee7 \u0111\u1ec1, kh\u00f4ng ph\u1ea3i \u1ea3nh s\u1ef1 ki\u1ec7n, quan s\u00e1t hay hi\u1ec7n tr\u01b0\u1eddng th\u1ef1c t\u1ebf.<\/figcaption><\/figure>\n

\u201cNh\u1ecf\u201d ngh\u0129a l\u00e0 g\u00ec<\/h2>\n

\u0110\u00e2y l\u00e0 sub-Neptune m\u1eadt \u0111\u1ed9 th\u1ea5p, kh\u00f4ng ph\u1ea3i h\u00e0nh tinh \u0111\u00e1 nh\u01b0 Tr\u00e1i \u0110\u1ea5t. N\u00f3 nh\u1ecf nh\u1ea5t quanh sao M c\u00f3 g\u00f3c 3D \u0111o \u0111\u01b0\u1ee3c, kh\u00f4ng nh\u1ea5t thi\u1ebft nh\u1ecf nh\u1ea5t trong m\u1ecdi h\u00e0nh tinh ngh\u1ecbch.<\/p>\n

V\u00ec sao c\u1ea7n th\u00eam d\u1eef li\u1ec7u<\/h2>\n

Theo d\u00f5i v\u1eadn t\u1ed1c l\u00e2u h\u01a1n c\u00f3 th\u1ec3 t\u00ecm b\u1ea1n \u0111\u1ed3ng h\u00e0nh xa. \u0110o h\u1ec7 sao l\u00f9n \u0111\u1ecf kh\u00e1c s\u1ebd ph\u00e2n bi\u1ec7t t\u00e1n x\u1ea1 hi\u1ebfm v\u1edbi \u0111\u01b0\u1eddng h\u00ecnh th\u00e0nh kh\u00e1c.<\/p>\n

Ngu\u1ed3n g\u1ed1c v\u00e0 ki\u1ec3m ch\u1ee9ng \u0111\u1ed9c l\u1eadp<\/h2>\n

Ngu\u1ed3n g\u1ed1c: Astronomy & Astrophysics paper<\/a><\/p>\n

Gi\u1ea3i th\u00edch c\u1ee7a t\u1ed5 ch\u1ee9c: University of Geneva explanation<\/a><\/p>\n

Ki\u1ec3m ch\u1ee9ng \u0111\u1ed9c l\u1eadp: Queen Mary University independent check<\/a><\/p>\n

\u0110\u1ecdc b\u1eb1ng ng\u00f4n ng\u1eef kh\u00e1c<\/h2>\n

\ud55c\uad6d\uc5b4<\/a> \u00b7 English<\/a> \u00b7 Espa\u00f1ol<\/a> \u00b7 \u65e5\u672c\u8a9e<\/a> \u00b7 Ti\u1ebfng Vi\u1ec7t<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

GJ 3090 b c\u00e1ch kho\u1ea3ng 22 parsec c\u00f3 tr\u1ee5c qu\u1ef9 \u0111\u1ea1o nghi\u00eang kho\u1ea3ng 136\u00b0 so v\u1edbi tr\u1ee5c quay sao n\u00ean chuy\u1ec3n \u0111\u1ed9ng ngh\u1ecbch. N\u00f3 kh\u00f4ng ph\u1ea3i ngo\u1ea1i h\u00e0nh tinh ngh\u1ecbch \u0111\u1ea7u ti\u00ean, m\u00e0 l\u00e0 tr\u01b0\u1eddng h\u1ee3p \u0111\u1ea7u quanh sao l\u00f9n M.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"class_list":["post-2323","briefing","type-briefing","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/briefing\/2323","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/briefing"}],"about":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/types\/briefing"}],"wp:attachment":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/media?parent=2323"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}