{"id":47945,"date":"2025-07-17T10:43:18","date_gmt":"2025-07-17T03:43:18","guid":{"rendered":"https:\/\/chanhkien.org\/?p=47945"},"modified":"2025-07-17T10:43:18","modified_gmt":"2025-07-17T03:43:18","slug":"mot-trong-nhung-thien-the-hoan-hao-nhat-ve-mat-hinh-hoc-qua-cau-bi-an-nam-sau-trong-dai-ngan-ha","status":"publish","type":"post","link":"https:\/\/chanhkien.org\/2025\/07\/mot-trong-nhung-thien-the-hoan-hao-nhat-ve-mat-hinh-hoc-qua-cau-bi-an-nam-sau-trong-dai-ngan-ha.html","title":{"rendered":"\u201cM\u1ed9t trong nh\u1eefng thi\u00ean th\u1ec3 ho\u00e0n h\u1ea3o nh\u1ea5t v\u1ec1 m\u1eb7t h\u00ecnh h\u1ecdc\u201d: Qu\u1ea3 c\u1ea7u b\u00ed \u1ea9n n\u1eb1m s\u00e2u trong d\u1ea3i Ng\u00e2n H\u00e0"},"content":{"rendered":"

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

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

\u0110\u00e2y l\u00e0 h\u00ecnh d\u1ea1ng c\u1ee7a t\u00e0n d\u01b0 t\u1eeb m\u1ed9t v\u1ee5 n\u1ed5 si\u00eau t\u00e2n tinh v\u1eeba \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u \u2013 k\u1ef3 l\u1ea1 v\u1edbi h\u00ecnh c\u1ea7u g\u1ea7n nh\u01b0 ho\u00e0n h\u1ea3o. (\u1ea2nh: Filipovic v\u00e0 c\u1ed9ng s\u1ef1)<\/i><\/p>\n

Qu\u1ea3 \u201cBong b\u00f3ng v\u0169 tr\u1ee5\u201d g\u1ea7n nh\u01b0 ho\u00e0n h\u1ea3o n\u00e0y \u0111ang g\u00e2y x\u00f4n xao gi\u1edbi thi\u00ean v\u0103n h\u1ecdc v\u00e0 sau \u0111\u00e2y l\u00e0 l\u00fd do khi\u1ebfn n\u00f3 \u0111\u01b0\u1ee3c ch\u00fa \u00fd nh\u01b0 v\u1eady.<\/p>\n

Trong v\u0169 tr\u1ee5 ch\u00fang ta kh\u00f4ng thi\u1ebfu nh\u1eefng thi\u00ean th\u1ec3 c\u00f3 h\u00ecnh d\u1ea1ng tr\u00f2n. C\u00e1c h\u00e0nh tinh, M\u1eb7t Tr\u0103ng hay c\u00e1c ng\u00f4i sao \u0111\u1ec1u c\u00f3 d\u1ea1ng h\u00ecnh c\u1ea7u r\u1ea5t \u0111\u1eb9p. Th\u1ebf nh\u01b0ng, c\u00e1c nh\u00e0 thi\u00ean v\u0103n h\u1ecdc m\u1edbi \u0111\u00e2y \u0111\u00e3 ph\u00e1t hi\u1ec7n m\u1ed9t kh\u1ed1i c\u1ea7u b\u00ed \u1ea9n n\u1eb1m s\u00e2u trong d\u1ea3i Ng\u00e2n H\u00e0, v\u00e0 ch\u1eafc ch\u1eafn l\u00e0 n\u00f3 kh\u00f4ng gi\u1ed1ng b\u1ea5t k\u1ef3 thi\u00ean th\u1ec3 n\u00e0o trong s\u1ed1 \u0111\u00f3.<\/p>\n

Kh\u1ed1i c\u1ea7u thi\u00ean th\u1ec3 n\u00e0y, do nh\u00e0 v\u1eadt l\u00fd thi\u00ean v\u0103n Miroslav Filipovi\u0107 thu\u1ed9c \u0110\u1ea1i h\u1ecdc Western Sydney ph\u00e1t hi\u1ec7n, c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t t\u00e0n d\u01b0 si\u00eau t\u00e2n tinh (supernova remnant \u2013 SNR) \u2014 t\u1ee9c l\u00e0 m\u1ed9t l\u1edbp v\u1ecf kh\u00ed v\u00e0 b\u1ee5i \u0111ang gi\u00e3n n\u1edf do s\u00f3ng xung k\u00edch t\u1eeb v\u1ee5 n\u1ed5 c\u1ee7a m\u1ed9t ng\u00f4i sao kh\u1ed5ng l\u1ed3. Tuy c\u00e1c t\u00e0n d\u01b0 si\u00eau t\u00e2n tinh kh\u00f4ng ph\u1ea3i l\u00e0 \u0111i\u1ec1u hi\u1ebfm g\u1eb7p, nh\u01b0ng tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t n\u00e0y l\u1ea1i cho th\u1ea5y nhi\u1ec1u \u0111i\u1ec3m b\u1ea5t th\u01b0\u1eddng, trong \u0111\u00f3 l\u00e0 h\u00ecnh d\u1ea1ng tr\u00f2n di\u1ec7u k\u1ef3. Ch\u00ednh v\u00ec h\u00ecnh d\u1ea1ng nh\u01b0 v\u1eady, n\u00ean \u00f4ng Filipovi\u0107 v\u00e0 nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u1eb7t t\u00ean cho n\u00f3 l\u00e0 SNR Teleios, theo ti\u1ebfng Hy L\u1ea1p c\u00f3 ngh\u0129a l\u00e0 \u201cho\u00e0n h\u1ea3o\u201d.<\/p>\n

\u00d4ng Filipovi\u0107 t\u00ecnh c\u1edd ph\u00e1t hi\u1ec7n ra Teleios \u2014 \u0111\u01b0\u1ee3c \u0111\u1ecbnh danh ch\u00ednh th\u1ee9c l\u00e0 G305.4\u20132.2 \u2014 trong l\u00fac \u0111ang r\u00e0 so\u00e1t c\u00e1c h\u00ecnh \u1ea3nh m\u1edbi ch\u1ee5p t\u1eeb k\u00ednh thi\u00ean v\u0103n v\u00f4 tuy\u1ebfn Australian Square Kilometre Array Pathfinder (ASKAP). ASKAP hi\u1ec7n \u0111ang th\u1ef1c hi\u1ec7n kh\u1ea3o s\u00e1t to\u00e0n b\u1ed9 b\u1ea7u tr\u1eddi t\u1ea1i b\u00e1n c\u1ea7u Nam. \u201cT\u00f4i \u0111ang theo d\u00f5i nh\u1eefng h\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt, t\u00ecm ki\u1ebfm \u0111i\u1ec1u g\u00ec \u0111\u00f3 th\u00fa v\u1ecb, ho\u1eb7c ch\u01b0a t\u1eebng th\u1ea5y tr\u01b0\u1edbc \u0111\u00e2y, th\u00ec b\u1ea5t ng\u1edd b\u1eaft g\u1eb7p Teleios\u201d, \u00f4ng Filipovi\u0107 chia s\u1ebb v\u1edbi Space.com. \u201cH\u00ecnh tr\u00f2n ho\u00e0n h\u1ea3o c\u1ee7a n\u00f3 th\u1eadt l\u1ea1 th\u01b0\u1eddng, n\u00ean t\u00f4i \u0111\u00e3 t\u00ecm hi\u1ec3u s\u00e2u h\u01a1n\u201d.<\/p>\n

D\u1ef1a v\u00e0o d\u1eef li\u1ec7u thu th\u1eadp t\u1eeb ASKAP v\u00e0 Murchison Widefield Array, \u00f4ng Filipovi\u0107 v\u00e0 c\u1ed9ng s\u1ef1 \u01b0\u1edbc t\u00ednh r\u1eb1ng Teleios c\u00f3 th\u1ec3 c\u00f3 \u0111\u01b0\u1eddng k\u00ednh kho\u1ea3ng 46 n\u0103m \u00e1nh s\u00e1ng n\u1ebfu t\u00ednh t\u1eeb v\u1ecb tr\u00ed c\u00e1ch Tr\u00e1i \u0110\u1ea5t 7.175 n\u0103m \u00e1nh s\u00e1ng, ho\u1eb7c 157 n\u0103m \u00e1nh s\u00e1ng n\u1ebfu t\u00ednh t\u1eeb v\u1ecb tr\u00ed c\u00e1ch Tr\u00e1i \u0110\u1ea5t 25.114 n\u0103m \u00e1nh s\u00e1ng. (Vi\u1ec7c x\u00e1c \u0111\u1ecbnh kho\u1ea3ng c\u00e1ch trong kh\u00f4ng gian v\u1ed1n lu\u00f4n \u0111\u1ea7y th\u00e1ch th\u1ee9c). Tuy nhi\u00ean, b\u1ea5t k\u1ec3 k\u00edch th\u01b0\u1edbc v\u00e0 v\u1ecb tr\u00ed c\u1ee7a n\u00f3, \u0111\u1ed9 \u0111\u1ed1i x\u1ee9ng g\u1ea7n nh\u01b0 ho\u00e0n h\u1ea3o c\u1ee7a t\u00e0n d\u01b0 si\u00eau t\u00e2n tinh n\u00e0y r\u1ea5t kh\u00e1c th\u01b0\u1eddng. H\u00ecnh d\u1ea1ng c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c \u0111o v\u1edbi \u0111i\u1ec3m s\u1ed1 tr\u00f2n l\u00ean t\u1edbi 95,4%, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng t\u00e0n d\u01b0 si\u00eau t\u00e2n tinh \u0111\u1ed1i x\u1ee9ng nh\u1ea5t t\u1eebng \u0111\u01b0\u1ee3c ghi nh\u1eadn.<\/p>\n

M\u1eb7c d\u00f9 c\u00e1c m\u00f4 h\u00ecnh l\u00fd thuy\u1ebft cho r\u1eb1ng c\u00e1c t\u00e0n d\u01b0 si\u00eau t\u00e2n tinh th\u01b0\u1eddng c\u00f3 h\u00ecnh tr\u00f2n, nh\u01b0ng th\u1ef1c t\u1ebf l\u1ea1i cho th\u1ea5y h\u00ecnh \u1ea3nh h\u1ed7n \u0111\u1ed9n h\u01a1n. \u201cH\u00ecnh d\u1ea1ng \u2018th\u00f4ng th\u01b0\u1eddng\u2019 c\u1ee7a c\u00e1c SNR thay \u0111\u1ed5i r\u1ea5t nhi\u1ec1u, ho\u1eb7c l\u00e0 do \u1ea3nh h\u01b0\u1edfng c\u1ee7a s\u1ef1 b\u1ea5t \u0111\u1ed1i x\u1ee9ng trong v\u1ee5 n\u1ed5 ban \u0111\u1ea7u, s\u1ef1 gi\u00e1n \u0111o\u1ea1n t\u1eeb vi\u1ec7c m\u1edf r\u1ed9ng v\u00e0o m\u00f4i tr\u01b0\u1eddng kh\u00f4ng ho\u00e0n h\u1ea3o, ho\u1eb7c nhi\u1ec1u y\u1ebfu t\u1ed1 nhi\u1ec5u lo\u1ea1n kh\u00e1c\u201d, \u00f4ng Filipovi\u0107 gi\u1ea3i th\u00edch. \u201c\u0110i\u1ec1u khi\u1ebfn Teleios tr\u1edf n\u00ean n\u1ed5i b\u1eadt ch\u00ednh l\u00e0 vi\u1ec7c n\u00f3 kh\u00f4ng h\u1ec1 th\u1ec3 hi\u1ec7n b\u1ea5t k\u1ef3 s\u1ef1 b\u1ea5t \u0111\u1ed1i x\u1ee9ng n\u00e0o; tr\u00f4ng n\u00f3 nh\u01b0 k\u1ebft qu\u1ea3 c\u1ee7a m\u1ed9t v\u1ee5 n\u1ed5 di\u1ec5n ra v\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n ban \u0111\u1ea7u g\u1ea7n nh\u01b0 l\u00fd t\u01b0\u1edfng v\u00e0 ho\u00e0n to\u00e0n kh\u00f4ng b\u1ecb c\u1ea3n tr\u1edf trong qu\u00e1 tr\u00ecnh gi\u00e3n n\u1edf\u201d.<\/p>\n

V\u1eady \u0111i\u1ec1u g\u00ec c\u00f3 th\u1ec3 gi\u1ea3i th\u00edch cho m\u1ed9t s\u1ef1 ti\u1ebfn h\u00f3a kh\u00f4ng b\u1ecb x\u00e1o tr\u1ed9n nh\u01b0 v\u1eady? Theo \u00f4ng Filipovi\u0107, c\u00e2u tr\u1ea3 l\u1eddi c\u00f3 th\u1ec3 n\u1eb1m \u1edf v\u1ecb tr\u00ed c\u1ee7a n\u00f3. Teleios n\u1eb1m \u1edf 2,2 \u0111\u1ed9 b\u00ean d\u01b0\u1edbi M\u1eb7t ph\u1eb3ng Thi\u00ean h\u00e0, n\u01a1i c\u00f3 m\u1eadt \u0111\u1ed9 kh\u00ed v\u00e0 b\u1ee5i li\u00ean sao \u00edt h\u01a1n \u0111\u00e1ng k\u1ec3. Ch\u00ednh m\u00f4i tr\u01b0\u1eddng n\u00e0y c\u00f3 th\u1ec3 \u0111\u00e3 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n \u0111\u1ec3 t\u00e0n d\u01b0 si\u00eau t\u00e2n tinh gi\u00e3n n\u1edf m\u00e0 kh\u00f4ng b\u1ecb x\u00e1o tr\u1ed9n su\u1ed1t h\u00e0ng ngh\u00ecn n\u0103m.<\/p>\n

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

S\u01a1 \u0111\u1ed3 cho th\u1ea5y v\u1ecb tr\u00ed c\u1ee7a Teleios trong b\u1ed1i c\u1ea3nh c\u1ee7a M\u1eb7t ph\u1eb3ng Thi\u00ean h\u00e0. (\u1ea2nh: Filipovi\u0107 v\u00e0 c\u1ed9ng s\u1ef1)<\/i><\/p>\n

H\u00ecnh d\u1ea1ng c\u1ee7a Teleios ch\u1ec9 m\u1edbi l\u00e0 m\u1ed9t trong nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m b\u1ea5t th\u01b0\u1eddng c\u1ee7a SNR n\u00e0y. G\u00f3p ph\u1ea7n v\u00e0o s\u1ef1 b\u00ed \u1ea9n n\u00e0y l\u00e0 vi\u1ec7c Teleios ch\u1ec9 ph\u00e1t ra b\u01b0\u1edbc s\u00f3ng v\u00f4 tuy\u1ebfn, c\u00f9ng v\u1edbi m\u1ed9t ch\u00fat ph\u00e1t x\u1ea1 hydrogen-alpha. \u201cH\u1ea7u h\u1ebft c\u00e1c SNR \u0111\u1ec1u c\u00f3 th\u1ec3 quan s\u00e1t \u0111\u01b0\u1ee3c \u1edf c\u00e1c b\u01b0\u1edbc s\u00f3ng kh\u00e1c \u2014 quang h\u1ecdc, h\u1ed3ng ngo\u1ea1i, hay tia X\u201d, \u00f4ng Filipovi\u0107 cho bi\u1ebft. \u201cD\u1eef ki\u1ec7n m\u00e0 ch\u00fang ta kh\u00f4ng th\u1ea5y \u0111\u01b0\u1ee3c \u1edf \u0111\u00e2y c\u00f3 ph\u1ea7n kh\u00f3 hi\u1ec3u. C\u00f3 th\u1ec3 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a n\u00f3 kh\u00f4ng \u0111\u1ee7 cao \u0111\u1ec3 t\u1ea1o ra c\u00e1c lo\u1ea1i b\u1ee9c x\u1ea1 \u0111\u00f3, ho\u1eb7c c\u0169ng c\u00f3 th\u1ec3 n\u00f3 \u0111\u00e3 qu\u00e1 gi\u00e0 khi\u1ebfn c\u00e1c b\u1ee9c x\u1ea1 kh\u00e1c m\u1edd d\u1ea7n, trong khi s\u00f3ng v\u00f4 tuy\u1ebfn v\u1eabn c\u00f2n t\u1ed3n t\u1ea1i\u201d.<\/p>\n

Ch\u00ednh s\u1ef1 thi\u1ebfu h\u1ee5t b\u1ee9c x\u1ea1 n\u00e0y khi\u1ebfn vi\u1ec7c x\u00e1c \u0111\u1ecbnh lo\u1ea1i si\u00eau t\u00e2n tinh n\u00e0o \u0111\u00e3 t\u1ea1o ra Teleios tr\u1edf n\u00ean kh\u00f3 kh\u0103n h\u01a1n. K\u1ecbch b\u1ea3n h\u1ee3p l\u00fd nh\u1ea5t l\u00e0 m\u1ed9t si\u00eau t\u00e2n tinh Lo\u1ea1i Ia (Type la) x\u1ea3y ra khi m\u1ed9t sao l\u00f9n tr\u1eafng h\u00fat v\u1eadt ch\u1ea5t t\u1eeb ng\u00f4i sao \u0111\u1ed3ng h\u00e0nh cho t\u1edbi khi ph\u00e1t n\u1ed5 d\u1eef d\u1ed9i. M\u1ed9t t\u00ecnh hu\u1ed1ng kh\u00e1c l\u00e0 si\u00eau t\u00e2n tinh Lo\u1ea1i Iax (Type Iax), t\u01b0\u01a1ng t\u1ef1 nh\u01b0 Lo\u1ea1i Ia nh\u01b0ng c\u00f3 th\u1ec3 \u0111\u1ec3 l\u1ea1i m\u1ed9t \u201cng\u00f4i sao x\u00e1c s\u1ed1ng\u201d sau v\u1ee5 n\u1ed5. Tuy nhi\u00ean, c\u00e1c d\u1eef li\u1ec7u quan s\u00e1t hi\u1ec7n t\u1ea1i c\u1ee7a Teleios l\u1ea1i kh\u00f4ng ho\u00e0n to\u00e0n ph\u00f9 h\u1ee3p v\u1edbi b\u1ea5t k\u1ef3 m\u00f4 h\u00ecnh n\u00e0o trong s\u1ed1 \u0111\u00f3.<\/p>\n

C\u0169ng nh\u01b0 v\u1edbi nhi\u1ec1u v\u1eadt th\u1ec3 m\u1edbi \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n trong v\u0169 tr\u1ee5, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u00f2n c\u00f3 nhi\u1ec1u \u0111i\u1ec1u ph\u1ea3i t\u00ecm hi\u1ec3u \u0111\u1ec3 gi\u1ea3i m\u00e3 t\u1ea5t c\u1ea3 nh\u1eefng b\u00ed \u1ea9n c\u1ee7a Teleios. V\u00e0 may m\u1eafn thay, kh\u00f4ng c\u00f3 th\u1eddi \u0111i\u1ec3m n\u00e0o kh\u00e1c t\u1ed1t h\u01a1n \u0111\u1ec3 nghi\u00ean c\u1ee9u SNR. \u201c\u0110\u00e2y l\u00e0 \u2018th\u1eddi k\u1ef3 ho\u00e0ng kim\u2019 c\u1ee7a thi\u00ean v\u0103n v\u00f4 tuy\u1ebfn, khi nh\u1eefng thi\u1ebft b\u1ecb quan s\u00e1t t\u00e2n ti\u1ebfn, ch\u1eb3ng h\u1ea1n nh\u01b0 ASKAP hay MeerKAT, \u0111ang m\u1edf ra c\u00e1nh c\u1eeda cho nh\u1eefng kh\u00e1m ph\u00e1 m\u1edbi m\u1ebb\u201d, \u00f4ng Filipovi\u0107 cho bi\u1ebft.<\/p>\n

M\u1ed9t b\u00e0i nghi\u00ean c\u1ee9u v\u1ec1 nh\u1eefng ph\u00e1t hi\u1ec7n n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn T\u1eadp san Hi\u1ec7p h\u1ed9i Thi\u00ean v\u0103n h\u1ecdc \u00dac (Publications of the Astronomical Society of Australia), v\u00e0 hi\u1ec7n \u0111\u00e3 c\u00f3 tr\u00ean trang b\u1ea3n in \u0111i\u1ec7n t\u1eed (arXiv) d\u01b0\u1edbi d\u1ea1ng b\u1ea3n s\u01a1 b\u1ed9 tr\u01b0\u1edbc khi ph\u00e1t h\u00e0nh.<\/p>\n

D\u1ecbch t\u1eeb:<\/i><\/p>\n

‘One of the most geometrically perfect’: What is this mysterious sphere deep in the Milky Way galaxy?<\/a><\/p>\n

https:\/\/www.zhengjian.org\/node\/297084<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

[ChanhKien.org] \u0110\u00e2y l\u00e0 h\u00ecnh d\u1ea1ng c\u1ee7a t\u00e0n d\u01b0 t\u1eeb m\u1ed9t v\u1ee5 n\u1ed5 si\u00eau t\u00e2n tinh v\u1eeba \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u \u2013 k\u1ef3 l\u1ea1 v\u1edbi h\u00ecnh c\u1ea7u g\u1ea7n nh\u01b0 ho\u00e0n h\u1ea3o. (\u1ea2nh: Filipovic v\u00e0 c\u1ed9ng s\u1ef1) Qu\u1ea3 \u201cBong b\u00f3ng v\u0169 tr\u1ee5\u201d g\u1ea7n nh\u01b0 ho\u00e0n h\u1ea3o n\u00e0y \u0111ang g\u00e2y x\u00f4n xao gi\u1edbi thi\u00ean v\u0103n h\u1ecdc v\u00e0 sau \u0111\u00e2y […]<\/p>\n","protected":false},"author":13,"featured_media":0,"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-47945","post","type-post","status-publish","format-standard","hentry","category-vu-tru-hoc"],"acf":[],"yoast_head":"\n\u201cM\u1ed9t trong nh\u1eefng thi\u00ean th\u1ec3 ho\u00e0n h\u1ea3o nh\u1ea5t v\u1ec1 m\u1eb7t h\u00ecnh h\u1ecdc\u201d: Qu\u1ea3 c\u1ea7u b\u00ed \u1ea9n n\u1eb1m s\u00e2u 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\/2025\/07\/mot-trong-nhung-thien-the-hoan-hao-nhat-ve-mat-hinh-hoc-qua-cau-bi-an-nam-sau-trong-dai-ngan-ha.html\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u201cM\u1ed9t trong nh\u1eefng thi\u00ean th\u1ec3 ho\u00e0n h\u1ea3o nh\u1ea5t v\u1ec1 m\u1eb7t h\u00ecnh h\u1ecdc\u201d: Qu\u1ea3 c\u1ea7u b\u00ed \u1ea9n n\u1eb1m s\u00e2u trong d\u1ea3i Ng\u00e2n H\u00e0 - Ch\u00e1nh Ki\u1ebfn Net\" \/>\n<meta property=\"og:description\" content=\"[ChanhKien.org] \u0110\u00e2y l\u00e0 h\u00ecnh d\u1ea1ng c\u1ee7a t\u00e0n d\u01b0 t\u1eeb m\u1ed9t v\u1ee5 n\u1ed5 si\u00eau t\u00e2n tinh v\u1eeba \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u \u2013 k\u1ef3 l\u1ea1 v\u1edbi h\u00ecnh c\u1ea7u g\u1ea7n nh\u01b0 ho\u00e0n h\u1ea3o. (\u1ea2nh: Filipovic v\u00e0 c\u1ed9ng s\u1ef1) Qu\u1ea3 \u201cBong b\u00f3ng v\u0169 tr\u1ee5\u201d g\u1ea7n nh\u01b0 ho\u00e0n h\u1ea3o n\u00e0y \u0111ang g\u00e2y x\u00f4n xao gi\u1edbi thi\u00ean v\u0103n h\u1ecdc v\u00e0 sau \u0111\u00e2y […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/chanhkien.org\/2025\/07\/mot-trong-nhung-thien-the-hoan-hao-nhat-ve-mat-hinh-hoc-qua-cau-bi-an-nam-sau-trong-dai-ngan-ha.html\" \/>\n<meta property=\"og:site_name\" content=\"Ch\u00e1nh Ki\u1ebfn Net\" \/>\n<meta property=\"article:published_time\" content=\"2025-07-17T03:43:18+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/chanhkien.org\/wp-content\/uploads\/2025\/07\/JGBFRwHLnhTJs98tKF86gN-670-80.png-image.webp\" \/>\n<meta name=\"author\" content=\"editor_n\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"editor_n\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/chanhkien.org\/2025\/07\/mot-trong-nhung-thien-the-hoan-hao-nhat-ve-mat-hinh-hoc-qua-cau-bi-an-nam-sau-trong-dai-ngan-ha.html#article\",\"isPartOf\":{\"@id\":\"https:\/\/chanhkien.org\/2025\/07\/mot-trong-nhung-thien-the-hoan-hao-nhat-ve-mat-hinh-hoc-qua-cau-bi-an-nam-sau-trong-dai-ngan-ha.html\"},\"author\":{\"name\":\"editor_n\",\"@id\":\"https:\/\/chanhkien.org\/#\/schema\/person\/d39853a2b0e6235cdad43189e4cbd085\"},\"headline\":\"\u201cM\u1ed9t trong nh\u1eefng thi\u00ean th\u1ec3 ho\u00e0n h\u1ea3o nh\u1ea5t v\u1ec1 m\u1eb7t h\u00ecnh h\u1ecdc\u201d: Qu\u1ea3 c\u1ea7u b\u00ed \u1ea9n n\u1eb1m s\u00e2u trong d\u1ea3i Ng\u00e2n H\u00e0\",\"datePublished\":\"2025-07-17T03:43:18+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/chanhkien.org\/2025\/07\/mot-trong-nhung-thien-the-hoan-hao-nhat-ve-mat-hinh-hoc-qua-cau-bi-an-nam-sau-trong-dai-ngan-ha.html\"},\"wordCount\":1731,\"image\":{\"@id\":\"https:\/\/chanhkien.org\/2025\/07\/mot-trong-nhung-thien-the-hoan-hao-nhat-ve-mat-hinh-hoc-qua-cau-bi-an-nam-sau-trong-dai-ngan-ha.html#primaryimage\"},\"thumbnailUrl\":\"https:\/\/chanhkien.org\/wp-content\/uploads\/2025\/07\/JGBFRwHLnhTJs98tKF86gN-670-80.png-image.webp\",\"articleSection\":[\"V\u0169 tr\u1ee5 h\u1ecdc\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/chanhkien.org\/2025\/07\/mot-trong-nhung-thien-the-hoan-hao-nhat-ve-mat-hinh-hoc-qua-cau-bi-an-nam-sau-trong-dai-ngan-ha.html\",\"url\":\"https:\/\/chanhkien.org\/2025\/07\/mot-trong-nhung-thien-the-hoan-hao-nhat-ve-mat-hinh-hoc-qua-cau-bi-an-nam-sau-trong-dai-ngan-ha.html\",\"name\":\"\u201cM\u1ed9t trong nh\u1eefng thi\u00ean th\u1ec3 ho\u00e0n h\u1ea3o nh\u1ea5t v\u1ec1 m\u1eb7t h\u00ecnh h\u1ecdc\u201d: Qu\u1ea3 c\u1ea7u b\u00ed \u1ea9n n\u1eb1m s\u00e2u trong d\u1ea3i Ng\u00e2n H\u00e0 - Ch\u00e1nh Ki\u1ebfn Net\",\"isPartOf\":{\"@id\":\"https:\/\/chanhkien.org\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/chanhkien.org\/2025\/07\/mot-trong-nhung-thien-the-hoan-hao-nhat-ve-mat-hinh-hoc-qua-cau-bi-an-nam-sau-trong-dai-ngan-ha.html#primaryimage\"},\"image\":{\"@id\":\"https:\/\/chanhkien.org\/2025\/07\/mot-trong-nhung-thien-the-hoan-hao-nhat-ve-mat-hinh-hoc-qua-cau-bi-an-nam-sau-trong-dai-ngan-ha.html#primaryimage\"},\"thumbnailUrl\":\"https:\/\/chanhkien.org\/wp-content\/uploads\/2025\/07\/JGBFRwHLnhTJs98tKF86gN-670-80.png-image.webp\",\"datePublished\":\"2025-07-17T03:43:18+00:00\",\"author\":{\"@id\":\"https:\/\/chanhkien.org\/#\/schema\/person\/d39853a2b0e6235cdad43189e4cbd085\"},\"breadcrumb\":{\"@id\":\"https:\/\/chanhkien.org\/2025\/07\/mot-trong-nhung-thien-the-hoan-hao-nhat-ve-mat-hinh-hoc-qua-cau-bi-an-nam-sau-trong-dai-ngan-ha.html#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/chanhkien.org\/2025\/07\/mot-trong-nhung-thien-the-hoan-hao-nhat-ve-mat-hinh-hoc-qua-cau-bi-an-nam-sau-trong-dai-ngan-ha.html\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/chanhkien.org\/2025\/07\/mot-trong-nhung-thien-the-hoan-hao-nhat-ve-mat-hinh-hoc-qua-cau-bi-an-nam-sau-trong-dai-ngan-ha.html#primaryimage\",\"url\":\"https:\/\/chanhkien.org\/wp-content\/uploads\/2025\/07\/JGBFRwHLnhTJs98tKF86gN-670-80.png-image.webp\",\"contentUrl\":\"https:\/\/chanhkien.org\/wp-content\/uploads\/2025\/07\/JGBFRwHLnhTJs98tKF86gN-670-80.png-image.webp\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/chanhkien.org\/2025\/07\/mot-trong-nhung-thien-the-hoan-hao-nhat-ve-mat-hinh-hoc-qua-cau-bi-an-nam-sau-trong-dai-ngan-ha.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/chanhkien.org\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u201cM\u1ed9t trong nh\u1eefng thi\u00ean th\u1ec3 ho\u00e0n h\u1ea3o nh\u1ea5t v\u1ec1 m\u1eb7t h\u00ecnh h\u1ecdc\u201d: Qu\u1ea3 c\u1ea7u b\u00ed \u1ea9n n\u1eb1m s\u00e2u trong d\u1ea3i Ng\u00e2n H\u00e0\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/chanhkien.org\/#website\",\"url\":\"https:\/\/chanhkien.org\/\",\"name\":\"Ch\u00e1nh Ki\u1ebfn Net\",\"description\":\"Ch\u00e1nh Ki\u1ebfn\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/chanhkien.org\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/chanhkien.org\/#\/schema\/person\/d39853a2b0e6235cdad43189e4cbd085\",\"name\":\"editor_n\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/chanhkien.org\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/477cfe79ccaed8cd40df0d7aaa67e353ae2abbab5c5e604c00a2fa48794ede02?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/477cfe79ccaed8cd40df0d7aaa67e353ae2abbab5c5e604c00a2fa48794ede02?s=96&d=mm&r=g\",\"caption\":\"editor_n\"},\"url\":\"https:\/\/chanhkien.org\/author\/editorn\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u201cM\u1ed9t trong nh\u1eefng thi\u00ean th\u1ec3 ho\u00e0n h\u1ea3o nh\u1ea5t v\u1ec1 m\u1eb7t h\u00ecnh h\u1ecdc\u201d: Qu\u1ea3 c\u1ea7u b\u00ed \u1ea9n n\u1eb1m s\u00e2u trong d\u1ea3i Ng\u00e2n H\u00e0 - Ch\u00e1nh Ki\u1ebfn Net","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/chanhkien.org\/2025\/07\/mot-trong-nhung-thien-the-hoan-hao-nhat-ve-mat-hinh-hoc-qua-cau-bi-an-nam-sau-trong-dai-ngan-ha.html","og_locale":"en_US","og_type":"article","og_title":"\u201cM\u1ed9t trong nh\u1eefng thi\u00ean th\u1ec3 ho\u00e0n h\u1ea3o nh\u1ea5t v\u1ec1 m\u1eb7t h\u00ecnh h\u1ecdc\u201d: Qu\u1ea3 c\u1ea7u b\u00ed \u1ea9n n\u1eb1m s\u00e2u trong d\u1ea3i Ng\u00e2n H\u00e0 - Ch\u00e1nh Ki\u1ebfn Net","og_description":"[ChanhKien.org] \u0110\u00e2y l\u00e0 h\u00ecnh d\u1ea1ng c\u1ee7a t\u00e0n d\u01b0 t\u1eeb m\u1ed9t v\u1ee5 n\u1ed5 si\u00eau t\u00e2n tinh v\u1eeba \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u \u2013 k\u1ef3 l\u1ea1 v\u1edbi h\u00ecnh c\u1ea7u g\u1ea7n nh\u01b0 ho\u00e0n h\u1ea3o. (\u1ea2nh: Filipovic v\u00e0 c\u1ed9ng s\u1ef1) Qu\u1ea3 \u201cBong b\u00f3ng v\u0169 tr\u1ee5\u201d g\u1ea7n nh\u01b0 ho\u00e0n h\u1ea3o n\u00e0y \u0111ang g\u00e2y x\u00f4n xao gi\u1edbi thi\u00ean v\u0103n h\u1ecdc v\u00e0 sau \u0111\u00e2y […]","og_url":"https:\/\/chanhkien.org\/2025\/07\/mot-trong-nhung-thien-the-hoan-hao-nhat-ve-mat-hinh-hoc-qua-cau-bi-an-nam-sau-trong-dai-ngan-ha.html","og_site_name":"Ch\u00e1nh Ki\u1ebfn Net","article_published_time":"2025-07-17T03:43:18+00:00","og_image":[{"url":"https:\/\/chanhkien.org\/wp-content\/uploads\/2025\/07\/JGBFRwHLnhTJs98tKF86gN-670-80.png-image.webp","type":"","width":"","height":""}],"author":"editor_n","twitter_card":"summary_large_image","twitter_misc":{"Written by":"editor_n","Est. reading time":"8 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/chanhkien.org\/2025\/07\/mot-trong-nhung-thien-the-hoan-hao-nhat-ve-mat-hinh-hoc-qua-cau-bi-an-nam-sau-trong-dai-ngan-ha.html#article","isPartOf":{"@id":"https:\/\/chanhkien.org\/2025\/07\/mot-trong-nhung-thien-the-hoan-hao-nhat-ve-mat-hinh-hoc-qua-cau-bi-an-nam-sau-trong-dai-ngan-ha.html"},"author":{"name":"editor_n","@id":"https:\/\/chanhkien.org\/#\/schema\/person\/d39853a2b0e6235cdad43189e4cbd085"},"headline":"\u201cM\u1ed9t trong nh\u1eefng thi\u00ean th\u1ec3 ho\u00e0n h\u1ea3o nh\u1ea5t v\u1ec1 m\u1eb7t h\u00ecnh h\u1ecdc\u201d: Qu\u1ea3 c\u1ea7u b\u00ed \u1ea9n n\u1eb1m s\u00e2u trong d\u1ea3i Ng\u00e2n H\u00e0","datePublished":"2025-07-17T03:43:18+00:00","mainEntityOfPage":{"@id":"https:\/\/chanhkien.org\/2025\/07\/mot-trong-nhung-thien-the-hoan-hao-nhat-ve-mat-hinh-hoc-qua-cau-bi-an-nam-sau-trong-dai-ngan-ha.html"},"wordCount":1731,"image":{"@id":"https:\/\/chanhkien.org\/2025\/07\/mot-trong-nhung-thien-the-hoan-hao-nhat-ve-mat-hinh-hoc-qua-cau-bi-an-nam-sau-trong-dai-ngan-ha.html#primaryimage"},"thumbnailUrl":"https:\/\/chanhkien.org\/wp-content\/uploads\/2025\/07\/JGBFRwHLnhTJs98tKF86gN-670-80.png-image.webp","articleSection":["V\u0169 tr\u1ee5 h\u1ecdc"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/chanhkien.org\/2025\/07\/mot-trong-nhung-thien-the-hoan-hao-nhat-ve-mat-hinh-hoc-qua-cau-bi-an-nam-sau-trong-dai-ngan-ha.html","url":"https:\/\/chanhkien.org\/2025\/07\/mot-trong-nhung-thien-the-hoan-hao-nhat-ve-mat-hinh-hoc-qua-cau-bi-an-nam-sau-trong-dai-ngan-ha.html","name":"\u201cM\u1ed9t trong nh\u1eefng thi\u00ean th\u1ec3 ho\u00e0n h\u1ea3o nh\u1ea5t v\u1ec1 m\u1eb7t h\u00ecnh h\u1ecdc\u201d: Qu\u1ea3 c\u1ea7u b\u00ed \u1ea9n n\u1eb1m s\u00e2u trong d\u1ea3i Ng\u00e2n H\u00e0 - Ch\u00e1nh Ki\u1ebfn Net","isPartOf":{"@id":"https:\/\/chanhkien.org\/#website"},"primaryImageOfPage":{"@id":"https:\/\/chanhkien.org\/2025\/07\/mot-trong-nhung-thien-the-hoan-hao-nhat-ve-mat-hinh-hoc-qua-cau-bi-an-nam-sau-trong-dai-ngan-ha.html#primaryimage"},"image":{"@id":"https:\/\/chanhkien.org\/2025\/07\/mot-trong-nhung-thien-the-hoan-hao-nhat-ve-mat-hinh-hoc-qua-cau-bi-an-nam-sau-trong-dai-ngan-ha.html#primaryimage"},"thumbnailUrl":"https:\/\/chanhkien.org\/wp-content\/uploads\/2025\/07\/JGBFRwHLnhTJs98tKF86gN-670-80.png-image.webp","datePublished":"2025-07-17T03:43:18+00:00","author":{"@id":"https:\/\/chanhkien.org\/#\/schema\/person\/d39853a2b0e6235cdad43189e4cbd085"},"breadcrumb":{"@id":"https:\/\/chanhkien.org\/2025\/07\/mot-trong-nhung-thien-the-hoan-hao-nhat-ve-mat-hinh-hoc-qua-cau-bi-an-nam-sau-trong-dai-ngan-ha.html#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/chanhkien.org\/2025\/07\/mot-trong-nhung-thien-the-hoan-hao-nhat-ve-mat-hinh-hoc-qua-cau-bi-an-nam-sau-trong-dai-ngan-ha.html"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/chanhkien.org\/2025\/07\/mot-trong-nhung-thien-the-hoan-hao-nhat-ve-mat-hinh-hoc-qua-cau-bi-an-nam-sau-trong-dai-ngan-ha.html#primaryimage","url":"https:\/\/chanhkien.org\/wp-content\/uploads\/2025\/07\/JGBFRwHLnhTJs98tKF86gN-670-80.png-image.webp","contentUrl":"https:\/\/chanhkien.org\/wp-content\/uploads\/2025\/07\/JGBFRwHLnhTJs98tKF86gN-670-80.png-image.webp"},{"@type":"BreadcrumbList","@id":"https:\/\/chanhkien.org\/2025\/07\/mot-trong-nhung-thien-the-hoan-hao-nhat-ve-mat-hinh-hoc-qua-cau-bi-an-nam-sau-trong-dai-ngan-ha.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/chanhkien.org\/"},{"@type":"ListItem","position":2,"name":"\u201cM\u1ed9t trong nh\u1eefng thi\u00ean th\u1ec3 ho\u00e0n h\u1ea3o nh\u1ea5t v\u1ec1 m\u1eb7t h\u00ecnh h\u1ecdc\u201d: Qu\u1ea3 c\u1ea7u b\u00ed \u1ea9n n\u1eb1m s\u00e2u trong d\u1ea3i Ng\u00e2n H\u00e0"}]},{"@type":"WebSite","@id":"https:\/\/chanhkien.org\/#website","url":"https:\/\/chanhkien.org\/","name":"Ch\u00e1nh Ki\u1ebfn Net","description":"Ch\u00e1nh Ki\u1ebfn","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/chanhkien.org\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/chanhkien.org\/#\/schema\/person\/d39853a2b0e6235cdad43189e4cbd085","name":"editor_n","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/chanhkien.org\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/477cfe79ccaed8cd40df0d7aaa67e353ae2abbab5c5e604c00a2fa48794ede02?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/477cfe79ccaed8cd40df0d7aaa67e353ae2abbab5c5e604c00a2fa48794ede02?s=96&d=mm&r=g","caption":"editor_n"},"url":"https:\/\/chanhkien.org\/author\/editorn"}]}},"_links":{"self":[{"href":"https:\/\/chanhkien.org\/wp-json\/wp\/v2\/posts\/47945","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chanhkien.org\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chanhkien.org\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chanhkien.org\/wp-json\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/chanhkien.org\/wp-json\/wp\/v2\/comments?post=47945"}],"version-history":[{"count":0,"href":"https:\/\/chanhkien.org\/wp-json\/wp\/v2\/posts\/47945\/revisions"}],"wp:attachment":[{"href":"https:\/\/chanhkien.org\/wp-json\/wp\/v2\/media?parent=47945"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chanhkien.org\/wp-json\/wp\/v2\/categories?post=47945"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chanhkien.org\/wp-json\/wp\/v2\/tags?post=47945"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}