{"id":333631,"date":"2024-04-10T20:53:26","date_gmt":"2024-04-10T13:53:26","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=333631"},"modified":"2024-04-10T20:53:26","modified_gmt":"2024-04-10T13:53:26","slug":"milky-way","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/milky-way\/","title":{"rendered":"V\u00ec sao thi\u00ean h\u00e0 c\u1ee7a ch\u00fang ta c\u00f3 t\u00ean g\u1ecdi Milky Way?"},"content":{"rendered":"

\u0110\u00e3 c\u00f3 bao gi\u1edd b\u1ea1n th\u1eafc m\u1eafc v\u00ec sao d\u1ea3i thi\u00ean h\u00e0 \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u00ean l\u00e0 Milky Way hay ch\u01b0a? N\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm c\u00e2u tr\u1ea3 l\u1eddi cho c\u00e2u h\u1ecfi n\u00e0y th\u00ec h\u00e3y tham kh\u1ea3o ngay b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y. Ho\u00e0ng H\u00e0 Mobile s\u1ebd gi\u00fap b\u1ea1n \u0111\u1ecdc gi\u1ea3i \u0111\u00e1p th\u1eafc m\u1eafc v\u1ec1 t\u00ean g\u1ecdi c\u1ee7a thi\u00ean h\u00e0 v\u00e0 l\u1ecbch s\u1eed c\u1ee7a n\u00f3.<\/span><\/p>\n

L\u1ecbch s\u1eed h\u00ecnh th\u00e0nh c\u1ee7a Thi\u00ean H\u00e0 (Milky Way)<\/span><\/h2>\n

Tr\u01b0\u1edbc khi t\u00ecm hi\u1ec3u l\u00fd do v\u00ec sao Thi\u00ean H\u00e0 \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u00ean g\u1ecdi l\u00e0 Milky Way th\u00ec b\u1ea1n c\u1ea7n ph\u1ea3i n\u1eafm \u0111\u01b0\u1ee3c l\u1ecbch s\u1eed h\u00ecnh th\u00e0nh c\u1ee7a n\u00f3. L\u1ecbch s\u1eed h\u00ecnh th\u00e0nh c\u1ee7a Thi\u00ean H\u00e0 l\u00e0 m\u1ed9t c\u00e2u chuy\u1ec7n h\u1ea5p d\u1eabn b\u1eaft \u0111\u1ea7u t\u1eeb h\u01a1n 13 t\u1ef7 n\u0103m tr\u01b0\u1edbc, ngay sau V\u1ee5 N\u1ed5 L\u1edbn. T\u1eeb m\u1ed9t \u0111\u00e1m m\u00e2y kh\u00ed v\u00e0 b\u1ee5i kh\u1ed5ng l\u1ed3, tr\u1ea3i qua nhi\u1ec1u giai \u0111o\u1ea1n s\u1ee5p \u0111\u1ed5, va ch\u1ea1m v\u00e0 k\u1ebft h\u1ee3p, Thi\u00ean H\u00e0 d\u1ea7n d\u1ea7n h\u00ecnh th\u00e0nh n\u00ean c\u1ea5u tr\u00fac nh\u01b0 ch\u00fang ta th\u1ea5y ng\u00e0y nay.<\/span><\/p>\n

Giai \u0111o\u1ea1n \u0111\u1ea7u<\/span><\/h3>\n

Kho\u1ea3ng 13,8 t\u1ef7 n\u0103m tr\u01b0\u1edbc, V\u1ee5 N\u1ed5 L\u1edbn t\u1ea1o ra m\u1ed9t v\u0169 tr\u1ee5 n\u00f3ng v\u00e0 \u0111\u1eb7c. D\u1ea7n d\u1ea7n, v\u0169 tr\u1ee5 ngu\u1ed9i \u0111i v\u00e0 c\u00e1c h\u1ea1t c\u01a1 b\u1ea3n b\u1eaft \u0111\u1ea7u k\u1ebft h\u1ee3p th\u00e0nh nguy\u00ean t\u1eed hydro v\u00e0 heli. D\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u1ef1c h\u1ea5p d\u1eabn, c\u00e1c nguy\u00ean t\u1eed t\u1eadp trung th\u00e0nh nh\u1eefng \u0111\u00e1m m\u00e2y kh\u00ed kh\u1ed5ng l\u1ed3, g\u1ecdi l\u00e0 \u0111\u00e1m m\u00e2y ti\u1ec1n thi\u00ean h\u00e0. Trong m\u1ed9t \u0111\u00e1m m\u00e2y ti\u1ec1n thi\u00ean h\u00e0, m\u1ed9t nhi\u1ec5u lo\u1ea1n nh\u1ecf v\u00ed d\u1ee5 nh\u01b0 s\u1ef1 va ch\u1ea1m v\u1edbi m\u1ed9t \u0111\u00e1m m\u00e2y kh\u00e1c c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t qu\u00e1 tr\u00ecnh s\u1ee5p \u0111\u1ed5.<\/span><\/p>\n

\"milky-way-1\"<\/picture><\/p>\n

Giai \u0111o\u1ea1n s\u1ee5p \u0111\u1ed5<\/span><\/h3>\n

Khi \u0111\u00e1m m\u00e2y ti\u1ec1n thi\u00ean h\u00e0 s\u1ee5p \u0111\u1ed5, n\u00f3 b\u1eaft \u0111\u1ea7u quay nhanh h\u01a1n v\u00e0 d\u1eb9t d\u1ea7n th\u00e0nh m\u1ed9t \u0111\u0129a. \u1ede trung t\u00e2m c\u1ee7a \u0111\u0129a, m\u1ed9t c\u1ea5u tr\u00fac h\u00ecnh c\u1ea7u \u0111\u1eb7c \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh, g\u1ecdi l\u00e0 v\u1ea7ng h\u00e0o quang. Trong \u0111\u0129a, c\u00e1c \u0111\u00e1m m\u00e2y kh\u00ed ti\u1ebfp t\u1ee5c s\u1ee5p \u0111\u1ed5 v\u00e0 h\u00ecnh th\u00e0nh n\u00ean c\u00e1c ng\u00f4i sao.<\/span><\/p>\n

Giai \u0111o\u1ea1n ph\u00e1t tri\u1ec3n<\/span><\/h3>\n

C\u00e1c ng\u00f4i sao trong Milky Way ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n v\u00e0 ti\u1ebfn h\u00f3a theo th\u1eddi gian. M\u1ed9t s\u1ed1 ng\u00f4i sao gi\u00e0 \u0111i v\u00e0 n\u1ed5 tung, t\u1ea1o ra c\u00e1c nguy\u00ean t\u1ed1 n\u1eb7ng h\u01a1n, g\u00f3p ph\u1ea7n l\u00e0m phong ph\u00fa th\u00eam th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a Thi\u00ean H\u00e0. Thi\u00ean H\u00e0 c\u0169ng c\u00f3 th\u1ec3 va ch\u1ea1m v\u00e0 h\u1ee3p nh\u1ea5t v\u1edbi c\u00e1c thi\u00ean h\u00e0 kh\u00e1c, g\u00f3p ph\u1ea7n t\u0103ng k\u00edch th\u01b0\u1edbc v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a n\u00f3.<\/span><\/p>\n

Thi\u00ean H\u00e0 ng\u00e0y nay<\/span><\/h3>\n

Sau h\u01a1n 13 t\u1ef7 n\u0103m h\u00ecnh th\u00e0nh v\u00e0 ph\u00e1t tri\u1ec3n, Thi\u00ean H\u00e0 \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t thi\u00ean h\u00e0 xo\u1eafn \u1ed1c kh\u1ed5ng l\u1ed3 v\u1edbi h\u01a1n 100 t\u1ef7 ng\u00f4i sao. H\u1ec7 M\u1eb7t Tr\u1eddi c\u1ee7a ch\u00fang ta n\u1eb1m trong m\u1ed9t trong nh\u1eefng nh\u00e1nh xo\u1eafn \u1ed1c c\u1ee7a Thi\u00ean H\u00e0. C\u00e1c nh\u00e0 khoa h\u1ecdc tin r\u1eb1ng Thi\u00ean H\u00e0 s\u1ebd ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n v\u00e0 thay \u0111\u1ed5i trong t\u01b0\u01a1ng lai.<\/span><\/p>\n

\"milky-way-2\"<\/picture><\/p>\n

L\u1ecbch s\u1eed h\u00ecnh th\u00e0nh c\u1ee7a Thi\u00ean H\u00e0 l\u00e0 m\u1ed9t c\u00e2u chuy\u1ec7n ph\u1ee9c t\u1ea1p v\u00e0 v\u1eabn c\u00f2n nhi\u1ec1u b\u00ed \u1ea9n ch\u01b0a \u0111\u01b0\u1ee3c gi\u1ea3i \u0111\u00e1p. Tuy nhi\u00ean, b\u1eb1ng c\u00e1ch nghi\u00ean c\u1ee9u c\u00e1c thi\u00ean h\u00e0 kh\u00e1c nhau v\u00e0 s\u1eed d\u1ee5ng c\u00e1c m\u00f4 h\u00ecnh m\u00f4 ph\u1ecfng, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111ang d\u1ea7n d\u1ea7n v\u00e9n m\u00e0n b\u00ed m\u1eadt v\u1ec1 qu\u00e1 kh\u1ee9 v\u00e0 t\u01b0\u01a1ng lai c\u1ee7a Thi\u00ean H\u00e0.<\/span><\/p>\n

L\u00fd gi\u1ea3i v\u00ec sao Thi\u00ean H\u00e0 \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u00ean l\u00e0 Milky Way?\u00a0<\/span><\/h2>\n

\u0110\u1ec3 c\u00f3 th\u1ec3 gi\u1ea3i \u0111\u00e1p \u0111\u01b0\u1ee3c l\u00fd do v\u00ec sao thi\u00ean h\u00e0 c\u00f3 t\u00ean g\u1ecdi l\u00e0 Milky Way th\u00ec ch\u00fang ta c\u1ea7n ph\u1ea3i t\u00ecm hi\u1ec3u v\u1ec1 h\u00ecnh d\u1ea1ng c\u1ee7a Ng\u00e2n H\u00e0. M\u1ed9t s\u1ed1 nh\u00e0 thi\u00ean v\u0103n h\u1ecdc \u0111\u00e3 nghi\u00ean c\u1ee9u khi <\/span>quan s\u00e1t b\u1ea7u tr\u1eddi \u0111\u00eam \u1edf n\u01a1i \u00edt \u00f4 nhi\u1ec5m \u00e1nh s\u00e1ng, ch\u00fang ta s\u1ebd th\u1ea5y m\u1ed9t d\u1ea3i s\u00e1ng m\u1edd tr\u1ea3i d\u00e0i qua b\u1ea7u tr\u1eddi.\u00a0<\/span><\/p>\n

V\u00e0o th\u1eddi c\u1ed5 \u0111\u1ea1i, ng\u01b0\u1eddi ta \u0111\u00e3 nh\u1eadn ra d\u1ea3i s\u00e1ng n\u00e0y t\u1eeb r\u1ea5t l\u00e2u, nh\u01b0ng m\u00e3i \u0111\u1ebfn th\u1ebf k\u1ef7 16, nh\u00e0 thi\u00ean v\u0103n h\u1ecdc Galileo Galilei m\u1edbi s\u1eed d\u1ee5ng k\u00ednh vi\u1ec5n v\u1ecdng \u0111\u1ec3 quan s\u00e1t v\u00e0 ph\u00e1t hi\u1ec7n ra r\u1eb1ng n\u00f3 l\u00e0 t\u1eadp h\u1ee3p c\u1ee7a v\u00f4 s\u1ed1 c\u00e1c ng\u00f4i sao. \u0110\u1ebfn th\u1ebf k\u1ef7 th\u1ee9 20, nh\u1edd nh\u1eefng nghi\u00ean c\u1ee9u c\u1ee7a Edwin Hubble, ch\u00fang ta m\u1edbi bi\u1ebft \u0111\u01b0\u1ee3c r\u1eb1ng D\u1ea3i Ng\u00e2n H\u00e0 l\u00e0 m\u1ed9t thi\u00ean h\u00e0 xo\u1eafn \u1ed1c kh\u1ed5ng l\u1ed3, ch\u1ee9a h\u00e0ng tr\u0103m t\u1ef7 ng\u00f4i sao, bao g\u1ed3m c\u1ea3 H\u1ec7 M\u1eb7t Tr\u1eddi c\u1ee7a ch\u00fang ta.<\/span><\/p>\n

\"milky-way-3\"<\/picture><\/p>\n

D\u1ea3i s\u00e1ng n\u00e0y ch\u00ednh l\u00e0 t\u1eadp h\u1ee3p c\u1ee7a v\u00f4 s\u1ed1 c\u00e1c ng\u00f4i sao n\u1eb1m trong thi\u00ean h\u00e0 c\u1ee7a ch\u00fang ta, t\u1ea1o n\u00ean h\u00ecnh \u1ea3nh nh\u01b0 m\u1ed9t D\u1ea3i Ng\u00e2n H\u00e0. D\u1ea3i s\u00e1ng n\u00e0y c\u00f3 m\u00e0u tr\u1eafng \u0111\u1ee5c, h\u01a1i ng\u1ea3 sang m\u00e0u v\u00e0ng nh\u1ea1t, gi\u1ed1ng nh\u01b0 m\u00e0u c\u1ee7a s\u1eefa. Do \u0111\u00f3, ng\u01b0\u1eddi x\u01b0a \u0111\u00e3 g\u1ecdi d\u1ea3i thi\u00ean h\u00e0 n\u00e0y l\u00e0 Milk Way.\u00a0<\/span><\/p>\n

T\u00ean g\u1ecdi n\u00e0y \u0111\u01b0\u1ee3c cho l\u00e0 b\u1eaft ngu\u1ed3n t\u1eeb ti\u1ebfng Hy L\u1ea1p \u0393\u03b1\u03bb\u03b1\u03be\u03af\u03b1\u03c2 (Galaxias), \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi nh\u00e0 tri\u1ebft h\u1ecdc Democritus v\u00e0o th\u1ebf k\u1ef7 th\u1ee9 4 tr\u01b0\u1edbc C\u00f4ng nguy\u00ean. Sau \u0111\u00f3, t\u00ean g\u1ecdi n\u00e0y \u0111\u01b0\u1ee3c d\u1ecbch sang ti\u1ebfng Latinh l\u00e0 Via Lactea v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong v\u0103n h\u00f3a ph\u01b0\u01a1ng T\u00e2y. T\u00ean g\u1ecdi “D\u1ea3i Ng\u00e2n H\u00e0” l\u00e0 m\u1ed9t c\u00e1ch g\u1ecdi mi\u00eau t\u1ea3 \u0111\u1ea7y h\u00ecnh \u1ea3nh, th\u1ec3 hi\u1ec7n tr\u00ed t\u01b0\u1edfng t\u01b0\u1ee3ng c\u1ee7a con ng\u01b0\u1eddi.<\/span><\/p>\n

S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa Thi\u00ean h\u00e0 v\u00e0 D\u1ea3i Ng\u00e2n H\u00e0<\/span><\/h2>\n

M\u1ed9t s\u1ed1 ng\u01b0\u1eddi th\u01b0\u1eddng nh\u1ea7m l\u1eabn gi\u1eefa kh\u00e1i ni\u1ec7m Thi\u00ean H\u00e0 v\u00e0 D\u1ea3i Ng\u00e2n H\u00e0 n\u00ean th\u01b0\u1eddng cho r\u1eb1ng Milky Way l\u00e0 t\u00ean c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng cho Thi\u00ean H\u00e0 hay D\u1ea3i Ng\u00e2n H\u00e0 \u0111\u1ec1u \u0111\u01b0\u1ee3c. Tuy nhi\u00ean, gi\u1eefa Thi\u00ean H\u00e0 v\u00e0 D\u1ea3i Ng\u00e2n H\u00e0 c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t nh\u1ea5t \u0111\u1ecbnh.\u00a0<\/span><\/p>\n

Thi\u00ean h\u00e0 l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng kh\u1ed5ng l\u1ed3 g\u1ed3m h\u00e0ng t\u1ef7 ng\u00f4i sao, h\u00e0nh tinh, kh\u00ed, b\u1ee5i v\u00e0 v\u1eadt ch\u1ea5t t\u1ed1i li\u00ean k\u1ebft v\u1edbi nhau b\u1edfi l\u1ef1c h\u1ea5p d\u1eabn. Ch\u00fang c\u00f3 nhi\u1ec1u h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc kh\u00e1c nhau, bao g\u1ed3m d\u1ea1ng xo\u1eafn \u1ed1c, d\u1ea1ng elip, d\u1ea1ng lenticular v\u00e0 d\u1ea1ng b\u1ea5t th\u01b0\u1eddng.<\/span><\/p>\n

\"milky-way-4\"<\/picture><\/p>\n

D\u1ea3i Ng\u00e2n h\u00e0 l\u00e0 t\u00ean g\u1ecdi ri\u00eang c\u1ee7a thi\u00ean h\u00e0 m\u00e0 ch\u00fang ta \u0111ang sinh s\u1ed1ng. N\u00f3 c\u00f3 d\u1ea1ng h\u00ecnh xo\u1eafn \u1ed1c v\u00e0 ph\u00ecnh r\u1ed9ng ra \u1edf trung t\u00e2m, g\u1ed3m c\u00f3 4 c\u00e1nh tay xo\u1eafn \u1ed1c l\u1edbn v\u1edbi \u0111\u01b0\u1eddng k\u00ednh \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh \u1edf kho\u1ea3ng 100.000 \u0111\u1ebfn 180.000 n\u0103m \u00e1nh s\u00e1ng, t\u1ed5ng c\u1ed9ng ch\u1ee9a kho\u1ea3ng 100 t\u1ef7 \u0111\u1ebfn 400 t\u1ef7 ng\u00f4i sao v\u00e0 h\u01a1n 100 t\u1ef7 h\u00e0nh tinh.<\/span><\/p>\n

S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa Thi\u00ean h\u00e0 v\u00e0 D\u1ea3i Ng\u00e2n H\u00e0:<\/span><\/p>\n