K\u00ednh Euclid c\u1ee7a ESA x\u00e1c nh\u1eadn 31 chu\u1ea9n tinh trong v\u0169 tr\u1ee5 s\u01a1 khai. Hai v\u1eadt th\u1ec3 v\u01b0\u1ee3t k\u1ef7 l\u1ee5c tr\u01b0\u1edbc v\u00e0 m\u1eabu \u0111\u00e3 bi\u1ebft \u1edf \u0111\u1ed9 d\u1ecbch \u0111\u1ecf tr\u00ean 7 t\u0103ng t\u1eeb ch\u00edn l\u00ean 23.<\/p>\n
Ph\u00e1t hi\u1ec7n g\u00ec v\u00e0 k\u1ef7 l\u1ee5c n\u00e0o thay \u0111\u1ed5i<\/h2>\n
ESA v\u00e0 Li\u00ean danh Euclid x\u00e1c nh\u1eadn 31 chu\u1ea9n tinh \u1edf \u0111\u1ed9 d\u1ecbch \u0111\u1ecf 6,6 \u0111\u1ebfn 7,8<\/strong>. V\u1eadt th\u1ec3 xa nh\u1ea5t EUCL J172902.75+641018.1<\/strong> \u1edf m\u1ee9c 7,77<\/strong>, v\u1eadt th\u1ec3 th\u1ee9 hai 7,69<\/strong>, \u0111\u1ec1u v\u01b0\u1ee3t k\u1ef7 l\u1ee5c c\u0169 7,64<\/strong>. \u00c1nh s\u00e1ng xa nh\u1ea5t kh\u1edfi h\u00e0nh khi v\u0169 tr\u1ee5 kho\u1ea3ng 670 tri\u1ec7u n\u0103m tu\u1ed5i<\/strong>, b\u1eb1ng g\u1ea7n 5% tu\u1ed5i hi\u1ec7n nay. Chu\u1ea9n tinh l\u00e0 t\u00e2m thi\u00ean h\u00e0 c\u1ef1c s\u00e1ng, \u0111\u01b0\u1ee3c c\u1ea5p n\u0103ng l\u01b0\u1ee3ng khi v\u1eadt ch\u1ea5t r\u01a1i v\u1ec1 h\u1ed1 \u0111en si\u00eau n\u1eb7ng.<\/p>\n Tr\u01b0\u1edbc nghi\u00ean c\u1ee9u ch\u1ec9 c\u00f3 ch\u00edn chu\u1ea9n tinh \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn v\u01b0\u1ee3t \u0111\u1ed9 d\u1ecbch \u0111\u1ecf 7; nay con s\u1ed1 l\u00e0 23. M\u01b0\u1eddi hai trong 31 v\u1eadt th\u1ec3 Euclid b\u1ed5 sung n\u1eb1m \u1edf v\u00f9ng n\u00e0y. Nh\u1edd \u0111\u00f3 c\u00f3 th\u1ec3 so s\u00e1nh m\u1ed9t qu\u1ea7n th\u1ec3 thay v\u00ec v\u00e0i tr\u01b0\u1eddng h\u1ee3p c\u1ef1c \u0111oan, ki\u1ec3m tra c\u00e1ch h\u1ed1 \u0111en h\u00e0ng t\u1ef7 kh\u1ed1i l\u01b0\u1ee3ng M\u1eb7t Tr\u1eddi l\u1edbn nhanh v\u00e0 li\u00ean h\u1ec7 v\u1edbi thi\u00ean h\u00e0 c\u00f9ng hydro trung t\u00ednh trong th\u1eddi k\u1ef3 t\u00e1i ion h\u00f3a.<\/p>\n Euclid kh\u1ea3o s\u00e1t v\u00f9ng tr\u1eddi r\u1ed9ng t\u1eeb kh\u00f4ng gian b\u1eb1ng \u00e1nh s\u00e1ng kh\u1ea3 ki\u1ebfn v\u00e0 h\u1ed3ng ngo\u1ea1i g\u1ea7n. C\u00e1c \u1ee9ng vi\u00ean \u0111\u01b0\u1ee3c ch\u1ecdn trong kho\u1ea3ng 3.000 \u0111\u1ed9 vu\u00f4ng<\/strong> thu trong 1,5 n\u0103m<\/strong> \u0111\u1ea7u b\u1eb1ng h\u1ecdc m\u00e1y c\u00f9ng d\u1ea5u hi\u1ec7u m\u00e0u v\u00e0 ph\u1ed5, r\u1ed3i x\u00e1c nh\u1eadn b\u1eb1ng quang ph\u1ed5 t\u1eeb Keck, Magellan v\u00e0 Large Binocular Telescope. Li\u00ean danh cho bi\u1ebft hi\u1ec7u su\u1ea5t x\u00e1c nh\u1eadn g\u1ea7n 30%, cao kho\u1ea3ng m\u01b0\u1eddi l\u1ea7n c\u00e1c n\u1ed7 l\u1ef1c tr\u01b0\u1edbc.<\/p>\n M\u1eabu m\u1edbi gi\u00fap ki\u1ec3m nghi\u1ec7m m\u1ea1nh h\u01a1n m\u00f4 h\u00ecnh t\u0103ng tr\u01b0\u1edfng h\u1ed1 \u0111en v\u00e0 thi\u00ean h\u00e0 s\u01a1 khai, \u0111\u1ed3ng th\u1eddi l\u00e0m ngu\u1ed3n s\u00e1ng n\u1ec1n \u0111\u1ec3 nghi\u00ean c\u1ee9u t\u00e1i ion h\u00f3a. Nh\u01b0ng \u201cc\u1ed5 x\u01b0a nh\u1ea5t\u201d n\u00f3i v\u1ec1 \u00e1nh s\u00e1ng chu\u1ea9n tinh s\u1edbm nh\u1ea5t \u0111\u01b0\u1ee3c quan s\u00e1t, kh\u00f4ng ph\u1ea3i ng\u00e0y sinh h\u1ed1 \u0111en \u0111\u01b0\u1ee3c \u0111o tr\u1ef1c ti\u1ebfp. \u201cM\u1ed9t ngh\u00ecn t\u1ef7 M\u1eb7t Tr\u1eddi\u201d l\u00e0 so s\u00e1nh \u0111\u1ed9 s\u00e1ng, kh\u00f4ng ph\u1ea3i s\u1ed1 sao b\u00ean trong. Kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 l\u1ecbch s\u1eed t\u0103ng tr\u01b0\u1edfng c\u1ee7a c\u1ea3 31 h\u1ed1 \u0111en v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ea7y \u0111\u1ee7.<\/p>\n Th\u00f4ng c\u00e1o ESA<\/a> gi\u1ea3i th\u00edch hai v\u1eadt th\u1ec3 k\u1ef7 l\u1ee5c v\u00e0 tu\u1ed5i v\u0169 tr\u1ee5. Li\u00ean danh Euclid<\/a> m\u00f4 t\u1ea3 m\u1ee9c t\u0103ng m\u1eabu, ph\u01b0\u01a1ng ph\u00e1p v\u00e0 DR1 d\u1ef1 ki\u1ebfn cu\u1ed1i n\u0103m 2026. B\u00e0i b\u00e1o<\/a> c\u00f9ng b\u1ea3n th\u1ea3o m\u1edf<\/a> cung c\u1ea5p DOI 10.1051\/0004-6361\/202658883<\/strong>, ti\u00eau ch\u00ed v\u00e0 ph\u01b0\u01a1ng ph\u00e1p. D\u1ef1 b\u00e1o h\u00e0ng tr\u0103m ph\u00e1t hi\u1ec7n trong s\u00e1u n\u0103m ch\u01b0a ph\u1ea3i k\u1ebft qu\u1ea3 \u0111\u00e3 x\u00e1c nh\u1eadn.<\/p>\n","protected":false},"excerpt":{"rendered":" K\u00ednh Euclid c\u1ee7a ESA x\u00e1c nh\u1eadn 31 chu\u1ea9n tinh trong v\u0169 tr\u1ee5 s\u01a1 khai. Hai v\u1eadt th\u1ec3 v\u01b0\u1ee3t k\u1ef7 l\u1ee5c tr\u01b0\u1edbc v\u00e0 m\u1eabu \u0111\u00e3 bi\u1ebft \u1edf \u0111\u1ed9 d\u1ecbch \u0111\u1ecf tr\u00ean 7 t\u0103ng t\u1eeb ch\u00edn l\u00ean 23.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"class_list":["post-551","briefing","type-briefing","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/briefing\/551","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=551"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}V\u00ec sao m\u1eabu 31 v\u1eadt th\u1ec3 quan tr\u1ecdng h\u01a1n k\u1ef7 l\u1ee5c<\/h2>\n
![\"Minh](\"https:\/\/onepress.co.kr\/wp-content\/uploads\/2026\/07\/euclid-ancient-quasars-vi.png\")
Euclid t\u00ecm c\u00e1c v\u1eadt th\u1ec3 m\u1edd b\u1eb1ng c\u00e1ch n\u00e0o<\/h2>\n
\u0110i\u1ec1u g\u00ec thay \u0111\u1ed5i v\u00e0 c\u00f2n ch\u01b0a bi\u1ebft<\/h2>\n
Ngu\u1ed3n g\u1ed1c v\u00e0 m\u1ed1c ki\u1ec3m tra ti\u1ebfp theo<\/h2>\n