{"id":551,"date":"2026-07-11T00:52:40","date_gmt":"2026-07-10T15:52:40","guid":{"rendered":"https:\/\/onepress.co.kr\/index.php\/briefing\/2026-07-11-euclid-ancient-quasars-vi\/"},"modified":"2026-07-11T00:52:40","modified_gmt":"2026-07-10T15:52:40","slug":"2026-07-11-euclid-ancient-quasars-vi","status":"publish","type":"briefing","link":"https:\/\/onepress.co.kr\/index.php\/briefing\/2026-07-11-euclid-ancient-quasars-vi\/","title":{"rendered":"Chu\u1ea9n tinh s\u00e1ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng m\u1ed9t ngh\u00ecn t\u1ef7 M\u1eb7t Tr\u1eddi \u0111\u00e3 t\u1ed3n t\u1ea1i khi v\u0169 tr\u1ee5 m\u1edbi b\u1eb1ng 5% tu\u1ed5i hi\u1ec7n nay"},"content":{"rendered":"

Chu\u1ea9n tinh s\u00e1ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng m\u1ed9t ngh\u00ecn t\u1ef7 M\u1eb7t Tr\u1eddi \u0111\u00e3 t\u1ed3n t\u1ea1i khi v\u0169 tr\u1ee5 m\u1edbi b\u1eb1ng 5% tu\u1ed5i hi\u1ec7n nay<\/h1>\n

2026-07-11 00:50 KST<\/strong><\/p>\n

K\u00ednh Euclid c\u1ee7a ESA \u0111\u00e3 x\u00e1c nh\u1eadn 31 chu\u1ea9n tinh trong v\u0169 tr\u1ee5 s\u01a1 khai. Hai v\u1eadt th\u1ec3 l\u00e0 c\u00e1c chu\u1ea9n tinh xa nh\u1ea5t t\u1eebng quan s\u00e1t, v\u1edbi \u00e1nh s\u00e1ng xa nh\u1ea5t kh\u1edfi h\u00e0nh khi v\u0169 tr\u1ee5 kho\u1ea3ng 670 tri\u1ec7u n\u0103m tu\u1ed5i.<\/p>\n

\"Minh<\/figure>\n

H\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c t\u1ea1o: minh h\u1ecda khoa h\u1ecdc c\u1ee7a ONEPRESS d\u1ef1a tr\u00ean k\u1ebft qu\u1ea3 Euclid. \u0110\u00e2y kh\u00f4ng ph\u1ea3i \u1ea3nh quan s\u00e1t c\u1ee7a Euclid m\u00e0 l\u00e0 c\u00e1ch th\u1ec3 hi\u1ec7n kh\u00e1i ni\u1ec7m v\u1ec1 chu\u1ea9n tinh s\u01a1 khai v\u00e0 m\u00f4i tr\u01b0\u1eddng thi\u00ean h\u00e0 tr\u1ebb.<\/p>\n

M\u1ed1c ki\u1ec3m ch\u1ee9ng v\u00e0 ph\u00e1t hi\u1ec7n ch\u00ednh<\/h2>\n

T\u00ednh \u0111\u1ebfn ng\u00e0y 11\/07\/2026, ESA v\u00e0 Nh\u00f3m Euclid c\u00f4ng b\u1ed1 k\u00ednh Euclid \u0111\u00e3 x\u00e1c nh\u1eadn 31 chu\u1ea9n tinh<\/strong> trong kho\u1ea3ng d\u1ecbch chuy\u1ec3n \u0111\u1ecf 6,6 < z < 7,8<\/strong>. Nghi\u00ean c\u1ee9u \u0111\u0103ng tr\u00ean Astronomy & Astrophysics v\u1edbi DOI 10.1051\/0004-6361\/202658883<\/strong>.<\/p>\n

V\u1eadt th\u1ec3 gi\u1eef k\u1ef7 l\u1ee5c EUCL J172902.75+641018.1<\/strong> c\u00f3 z kho\u1ea3ng 7,77<\/strong>. \u00c1nh s\u00e1ng c\u1ee7a n\u00f3 b\u1eaft \u0111\u1ea7u h\u00e0nh tr\u00ecnh khi v\u0169 tr\u1ee5 m\u1edbi kho\u1ea3ng 670 tri\u1ec7u n\u0103m tu\u1ed5i<\/strong>, 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\u00e0o l\u1ed7 \u0111en si\u00eau kh\u1ed1i l\u01b0\u1ee3ng.<\/p>\n

\u0110i\u1ec1u g\u00ec \u0111\u00e1ng kinh ng\u1ea1c<\/h2>\n

Hai chu\u1ea9n tinh c\u00f3 z 7,77 v\u00e0 7,69 hi\u1ec7n l\u00e0 chu\u1ea9n tinh xa th\u1ee9 nh\u1ea5t v\u00e0 th\u1ee9 hai t\u1eebng \u0111\u01b0\u1ee3c quan s\u00e1t. K\u1ef7 l\u1ee5c tr\u01b0\u1edbc \u0111\u00f3 l\u00e0 7,64.<\/p>\n

Tr\u01b0\u1edbc nghi\u00ean c\u1ee9u n\u00e0y ch\u1ec9 c\u00f3 ch\u00edn chu\u1ea9n tinh \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn \u1edf z > 7; nay con s\u1ed1 l\u00e0 23. Thi\u00ean v\u0103n h\u1ecdc b\u1eaft \u0111\u1ea7u chuy\u1ec3n t\u1eeb v\u00e0i v\u1eadt th\u1ec3 \u0111\u1eb7c bi\u1ec7t sang m\u1ed9t m\u1eabu \u0111\u1ee7 l\u1edbn \u0111\u1ec3 so s\u00e1nh qu\u1ea7n th\u1ec3 l\u1ed7 \u0111en s\u01a1 khai.<\/p>\n

V\u00ec sao tr\u01b0\u1edbc \u0111\u00e2y kh\u00f3 t\u00ecm<\/h2>\n

S\u1ef1 gi\u00e3n n\u1edf v\u0169 tr\u1ee5 k\u00e9o d\u00e0i \u00e1nh s\u00e1ng c\u1ee7a chu\u1ea9n tinh xa sang v\u00f9ng c\u1eadn h\u1ed3ng ngo\u1ea1i. Kh\u00ed quy\u1ec3n Tr\u00e1i \u0110\u1ea5t c\u0169ng ph\u00e1t s\u00e1ng \u1edf v\u00f9ng n\u00e0y, khi\u1ebfn vi\u1ec7c t\u00e1ch c\u00e1c ngu\u1ed3n m\u1edd tr\u00ean v\u00f9ng tr\u1eddi r\u1ed9ng t\u1eeb m\u1eb7t \u0111\u1ea5t r\u1ea5t kh\u00f3.<\/p>\n

Euclid k\u1ebft h\u1ee3p \u1ea3nh kh\u1ea3 ki\u1ebfn v\u00e0 c\u1eadn h\u1ed3ng ngo\u1ea1i s\u00e2u tr\u00ean tr\u01b0\u1eddng r\u1ed9ng. \u1ee8ng vi\u00ean \u0111\u01b0\u1ee3c ch\u1ecdn t\u1eeb kho\u1ea3ng 3.000 \u0111\u1ed9 vu\u00f4ng<\/strong> trong 1,5 n\u0103m<\/strong> \u0111\u1ea7u, r\u1ed3i x\u00e1c nh\u1eadn b\u1eb1ng quang ph\u1ed5 t\u1eeb Keck, Magellan v\u00e0 Large Binocular Telescope.<\/p>\n

V\u00ec sao quan tr\u1ecdng l\u00fac n\u00e0y<\/h2>\n

C\u00e1c chu\u1ea9n tinh c\u1ef1c s\u00e1ng xu\u1ea5t hi\u1ec7n r\u1ea5t s\u1edbm bu\u1ed9c m\u00f4 h\u00ecnh ph\u1ea3i gi\u1ea3i th\u00edch l\u1ed7 \u0111en si\u00eau kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn nhanh th\u1ebf n\u00e0o: m\u1ea7m nh\u1ecf b\u1ed3i t\u1ee5 c\u1ef1c nhanh, m\u1ea7m n\u1eb7ng h\u00ecnh th\u00e0nh t\u1eeb \u0111\u1ea7u hay l\u1ed7 \u0111en v\u00e0 thi\u00ean h\u00e0 c\u00f9ng ti\u1ebfn h\u00f3a.<\/p>\n

Quang ph\u1ed5 chu\u1ea9n tinh c\u00f2n l\u00e0 \u0111\u00e8n n\u1ec1n c\u1ee7a k\u1ef7 nguy\u00ean t\u00e1i ion h\u00f3a. N\u00f3 gi\u00fap truy v\u1ebft hydro trung h\u00f2a v\u00e0 m\u00f4i tr\u01b0\u1eddng thi\u00ean h\u00e0 s\u01a1 khai, t\u00e1i d\u1ef1ng qu\u00e1 tr\u00ecnh v\u0169 tr\u1ee5 chuy\u1ec3n t\u1eeb t\u1ed1i, ph\u1ea7n l\u1edbn trung h\u00f2a sang tr\u1ea1ng th\u00e1i trong su\u1ed1t hi\u1ec7n nay.<\/p>\n

\u1ea2nh h\u01b0\u1edfng \u0111\u1ed1i v\u1edbi khoa h\u1ecdc<\/h2>\n

Ph\u00e1t hi\u1ec7n kh\u00f4ng l\u1eadp t\u1ee9c thay \u0111\u1ed5i c\u00f4ng ngh\u1ec7 h\u1eb1ng ng\u00e0y. Gi\u00e1 tr\u1ecb c\u1ee7a n\u00f3 l\u00e0 cho ph\u00e9p ki\u1ec3m tra l\u00fd thuy\u1ebft v\u1ec1 nh\u1eefng thi\u00ean h\u00e0 v\u00e0 l\u1ed7 \u0111en \u0111\u1ea7u ti\u00ean b\u1eb1ng m\u1eabu l\u1edbn h\u01a1n, \u0111\u1ed3ng th\u1eddi cung c\u1ea5p th\u00eam m\u1ee5c ti\u00eau cho Webb v\u00e0 k\u00ednh m\u1eb7t \u0111\u1ea5t.<\/p>\n

Nhi\u1ec7m v\u1ee5 ch\u00ednh c\u1ee7a Euclid l\u00e0 l\u1eadp b\u1ea3n \u0111\u1ed3 h\u00e0ng t\u1ef7 thi\u00ean h\u00e0 \u0111\u1ec3 nghi\u00ean c\u1ee9u v\u1eadt ch\u1ea5t t\u1ed1i v\u00e0 n\u0103ng l\u01b0\u1ee3ng t\u1ed1i. Th\u00e0nh c\u00f4ng n\u00e0y cho th\u1ea5y m\u1ed9t kh\u1ea3o s\u00e1t r\u1ed9ng, \u0111\u1ed3ng nh\u1ea5t c\u0169ng c\u00f3 th\u1ec3 t\u00ecm c\u00e1c v\u1eadt th\u1ec3 c\u1ef1c hi\u1ebfm ngo\u00e0i m\u1ee5c ti\u00eau trung t\u00e2m.<\/p>\n

Nh\u1eefng gi\u1edbi h\u1ea1n kh\u00f4ng n\u00ean ph\u00f3ng \u0111\u1ea1i<\/h2>\n

\u201cChu\u1ea9n tinh c\u1ed5 x\u01b0a nh\u1ea5t\u201d n\u00f3i v\u1ec1 k\u1ef7 nguy\u00ean s\u1edbm nh\u1ea5t c\u1ee7a \u00e1nh s\u00e1ng quan s\u00e1t \u0111\u01b0\u1ee3c, kh\u00f4ng tr\u1ef1c ti\u1ebfp x\u00e1c \u0111\u1ecbnh ng\u00e0y sinh c\u1ee7a l\u1ed7 \u0111en. \u201cM\u1ed9t ngh\u00ecn t\u1ef7 M\u1eb7t Tr\u1eddi\u201d l\u00e0 so s\u00e1nh \u0111\u1ed9 s\u00e1ng, kh\u00f4ng c\u00f3 ngh\u0129a v\u1eadt th\u1ec3 ch\u1ee9a m\u1ed9t ngh\u00ecn t\u1ef7 ng\u00f4i sao gi\u1ed1ng M\u1eb7t Tr\u1eddi.<\/p>\n

31 v\u1eadt th\u1ec3 l\u00e0 m\u1eabu \u0111\u01b0\u1ee3c ch\u1ecdn v\u00e0 x\u00e1c nh\u1eadn t\u1eeb giai \u0111o\u1ea1n \u0111\u1ea7u. Kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 l\u1ecbch s\u1eed t\u0103ng tr\u01b0\u1edfng ch\u01b0a \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh \u0111\u1ea7y \u0111\u1ee7. D\u1ef1 b\u00e1o h\u00e0ng tr\u0103m chu\u1ea9n tinh kh\u00e1c v\u00e0 kh\u1ea3 n\u0103ng c\u00f3 z > 8 l\u00e0 k\u1ef3 v\u1ecdng cho kh\u1ea3o s\u00e1t \u0111\u1ee7 s\u00e1u n\u0103m<\/strong>, ch\u01b0a ph\u1ea3i k\u1ebft qu\u1ea3 ho\u00e0n t\u1ea5t.<\/p>\n

C\u1ea7n xem g\u00ec trong ngu\u1ed3n g\u1ed1c<\/h2>\n

Th\u00f4ng b\u00e1o ESA<\/a> cung c\u1ea5p v\u1eadt th\u1ec3 k\u1ef7 l\u1ee5c, d\u1ecbch chuy\u1ec3n \u0111\u1ecf, tu\u1ed5i v\u0169 tr\u1ee5 v\u00e0 b\u1ed1i c\u1ea3nh nhi\u1ec7m v\u1ee5.<\/p>\n

Nh\u00f3m Euclid<\/a> gi\u1ea3i th\u00edch s\u1ed1 chu\u1ea9n tinh z > 7 t\u0103ng t\u1eeb ch\u00edn l\u00ean 23 c\u00f9ng quy tr\u00ecnh ch\u1ecdn v\u00e0 x\u00e1c nh\u1eadn.<\/p>\n

B\u00e0i b\u00e1o g\u1ed1c<\/a> v\u00e0 b\u1ea3n th\u1ea3o m\u1edf<\/a> tr\u00ecnh b\u00e0y m\u1eabu, thi\u1ebft b\u1ecb, ph\u01b0\u01a1ng ph\u00e1p v\u00e0 gi\u1edbi h\u1ea1n.<\/p>\n

M\u1ed1c ti\u1ebfp theo v\u00e0 k\u1ebft lu\u1eadn h\u00f4m nay<\/h2>\n

Quang ph\u1ed5 theo d\u00f5i s\u1ebd tinh ch\u1ec9nh kh\u1ed1i l\u01b0\u1ee3ng l\u1ed7 \u0111en, thi\u00ean h\u00e0 ch\u1ee7 v\u00e0 hydro trung h\u00f2a xung quanh. Kh\u1ea3o s\u00e1t Euclid d\u1ef1 ki\u1ebfn k\u00e9o d\u00e0i s\u00e1u n\u0103m n\u00ean k\u1ef7 l\u1ee5c c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c thay \u0111\u1ed5i.<\/p>\n

K\u1ebft qu\u1ea3 c\u1ed1t l\u00f5i kh\u00f4ng ch\u1ec9 l\u00e0 kho\u1ea3ng c\u00e1ch: khi v\u0169 tr\u1ee5 m\u1edbi b\u1eb1ng kho\u1ea3ng 5% tu\u1ed5i hi\u1ec7n nay, c\u00e1c l\u1ed7 \u0111en si\u00eau kh\u1ed1i l\u01b0\u1ee3ng r\u1ea5t s\u00e1ng \u0111\u00e3 t\u1ed3n t\u1ea1i, v\u00e0 gi\u1edd \u0111\u00e2y gi\u1edbi nghi\u00ean c\u1ee9u c\u00f3 th\u1ec3 so s\u00e1nh h\u00e0ng ch\u1ee5c v\u1eadt th\u1ec3 thay v\u00ec v\u00e0i tr\u01b0\u1eddng h\u1ee3p ri\u00eang l\u1ebb.<\/p>\n","protected":false},"excerpt":{"rendered":"

K\u00ednh Euclid c\u1ee7a ESA \u0111\u00e3 x\u00e1c nh\u1eadn 31 chu\u1ea9n tinh trong v\u0169 tr\u1ee5 s\u01a1 khai. Hai v\u1eadt th\u1ec3 l\u00e0 c\u00e1c chu\u1ea9n tinh xa nh\u1ea5t t\u1eebng quan s\u00e1t, v\u1edbi \u00e1nh s\u00e1ng xa nh\u1ea5t kh\u1edfi h\u00e0nh khi v\u0169 tr\u1ee5 kho\u1ea3ng 670 tri\u1ec7u n\u0103m tu\u1ed5i.<\/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}]}}