{"id":45891,"date":"2025-07-05T08:05:55","date_gmt":"2025-07-05T08:05:55","guid":{"rendered":"https:\/\/www.mon-agent-ia.fr\/blog\/?p=45891"},"modified":"2025-07-05T08:05:57","modified_gmt":"2025-07-05T08:05:57","slug":"gaia-kham-pha-chieu-sau-cua-bau-troi","status":"publish","type":"post","link":"https:\/\/www.mon-agent-ia.fr\/blog\/vi\/gaia-kham-pha-chieu-sau-cua-bau-troi\/","title":{"rendered":"Gaia: Kh\u00e1m ph\u00e1 chi\u1ec1u s\u00e2u c\u1ee7a b\u1ea7u tr\u1eddi"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Trong m\u1ed9t v\u0169 tr\u1ee5 n\u01a1i s\u1ef1 t\u00f2 m\u00f2 c\u1ee7a con ng\u01b0\u1eddi g\u1eb7p g\u1ee1 s\u1ef1 bao la c\u1ee7a v\u0169 tr\u1ee5, s\u1ee9 m\u1ec7nh Gaia \u0111ang \u0111\u1ecbnh h\u00ecnh \u0111\u1ec3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng cu\u1ed9c th\u00e1m hi\u1ec3m thi\u00ean v\u0103n v\u0129 \u0111\u1ea1i nh\u1ea5t c\u1ee7a th\u1ebf k\u1ef7 21. \u0110\u01b0\u1ee3c h\u00ecnh th\u00e0nh b\u1edfi \u0110\u00e0i quan s\u00e1t Paris, cu\u1ed9c phi\u00eau l\u01b0u \u0111\u1ed9c \u0111\u00e1o n\u00e0y th\u00fac \u0111\u1ea9y ch\u00fang ta \u0111\u1ecbnh ngh\u0129a l\u1ea1i hi\u1ec3u bi\u1ebft c\u1ee7a m\u00ecnh v\u1ec1 Ng\u00e2n H\u00e0 v\u00e0 h\u01a1n th\u1ebf n\u1eefa. V\u1edbi Gaia, h\u00e0ng t\u1ef7 ng\u00f4i sao xu\u1ea5t hi\u1ec7n t\u1eeb b\u00f3ng t\u1ed1i v\u00e0 tr\u1edf n\u00ean s\u1ed1ng \u0111\u1ed9ng d\u01b0\u1edbi c\u00e1i nh\u00ecn ki\u00ean \u0111\u1ecbnh c\u1ee7a c\u00f4ng ngh\u1ec7 v\u0169 tr\u1ee5, trong khi \u0111\u01b0\u1eddng vi\u1ec1n c\u1ee7a nh\u1eefng th\u1ebf gi\u1edbi m\u1edbi h\u00ecnh th\u00e0nh v\u00e0 nh\u1eefng b\u00ed \u1ea9n c\u1ee7a m\u1ed9t v\u0169 tr\u1ee5 b\u00ed \u1ea9n \u0111\u01b0\u1ee3c ti\u1ebft l\u1ed9. <strong><\/strong>Ngu\u1ed3n g\u1ed1c c\u1ee7a Gaia: H\u00e0nh tr\u00ecnh v\u00e0o v\u00f9ng \u0111\u1ea5t ch\u01b0a bi\u1ebft<\/p>\n\n<h2 class=\"wp-block-heading\">D\u1ef1 \u00e1n Gaia \u0111\u01b0\u1ee3c kh\u1edfi x\u01b0\u1edbng v\u00e0o n\u0103m 2013, m\u1ed9t n\u0103m mang t\u00ednh b\u01b0\u1edbc ngo\u1eb7t kh\u1edfi x\u01b0\u1edbng \u1ee6y ban chuy\u00ean gia qu\u1ed1c t\u1ebf t\u1ea1i \u0110\u00e0i quan s\u00e1t qu\u1ef9 \u0111\u1ea1o. C\u00e1c nh\u00e0 thi\u00ean v\u0103n h\u1ecdc nhi\u1ec7t huy\u1ebft v\u00e0 quy\u1ebft t\u00e2m c\u1ee7a \u0110\u00e0i quan s\u00e1t Paris \u0111\u00e3 tham gia v\u00e0o th\u1eed th\u00e1ch t\u00e1o b\u1ea1o n\u00e0y. M\u1ee5c ti\u00eau c\u1ee7a h\u1ecd: l\u1eadp b\u1ea3n \u0111\u1ed3 Thi\u00ean h\u00e0 c\u1ee7a ch\u00fang ta tr\u00ean quy m\u00f4 l\u1edbn v\u00e0 m\u1edf r\u1ed9ng ranh gi\u1edbi c\u1ee7a ki\u1ebfn \u200b\u200bth\u1ee9c. Do \u0111\u00f3, Gaia h\u01b0\u1edbng \u0111\u1ebfn m\u1ee5c ti\u00eau tr\u1edf th\u00e0nh m\u1ed9t nh\u00e0 th\u00e1m hi\u1ec3m v\u0169 tr\u1ee5 v\u00e0 m\u1ed9t h\u00e0nh tr\u00ecnh thi\u00ean th\u1ec3 th\u1ef1c s\u1ef1 xuy\u00ean th\u1eddi gian v\u00e0 kh\u00f4ng gian.<\/h2>\n\n<p class=\"wp-block-paragraph\">M\u1ed9t s\u1ee9 m\u1ec7nh l\u1edbn <strong>S\u1ee9 m\u1ec7nh n\u00e0y \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng xung quanh m\u1ed9t s\u1ed1 l\u0129nh v\u1ef1c ch\u00ednh. Gaia \u0111\u01b0\u1ee3c trang b\u1ecb hai k\u00ednh thi\u00ean v\u0103n, k\u1ebft h\u1ee3p v\u1edbi ba thi\u1ebft b\u1ecb tinh vi, cho ph\u00e9p n\u00f3 th\u1ef1c hi\u1ec7n c\u00e1c cu\u1ed9c kh\u1ea3o s\u00e1t thi\u00ean v\u0103n ch\u01b0a t\u1eebng c\u00f3. Trong s\u1ed1 c\u00e1c m\u1ee5c ti\u00eau ch\u00ednh l\u00e0:<\/strong>L\u1eadp b\u1ea3n \u0111\u1ed3 h\u01a1n m\u1ed9t t\u1ef7 ng\u00f4i sao v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111\u00e1ng kinh ng\u1ea1c. <strong>\u0110o ch\u00ednh x\u00e1c kho\u1ea3ng c\u00e1ch c\u1ee7a c\u00e1c ng\u00f4i sao, c\u00e1ch m\u1ea1ng h\u00f3a s\u1ef1 hi\u1ec3u bi\u1ebft c\u1ee7a ch\u00fang ta v\u1ec1 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a ch\u00fang.<\/strong> Kh\u00e1m ph\u00e1 c\u00e1c h\u1ec7 m\u1eb7t tr\u1eddi v\u00e0 c\u00e1c ngo\u1ea1i h\u00e0nh tinh m\u1edbi, l\u00e0m phong ph\u00fa th\u00eam t\u1ea7m nh\u00ecn c\u1ee7a ch\u00fang ta v\u1ec1 c\u00e1c th\u1ebf gi\u1edbi v\u00f4 h\u00ecnh.<\/p>\n\n<h3 class=\"wp-block-heading\">Gi\u1ea3i m\u00e3 Ng\u00e2n H\u00e0<\/h3>\n\n<p class=\"wp-block-paragraph\">Th\u00f4ng qua c\u00e1c quan s\u00e1t c\u1ee7a m\u00ecnh, Gaia qu\u00e9t b\u1ea7u tr\u1eddi s\u00e2u th\u1eb3m v\u00e0 cung c\u1ea5p th\u00f4ng tin v\u1ec1 h\u00e0ng tri\u1ec7u ng\u00f4i sao. V\u1edbi kh\u1ea3 n\u0103ng ti\u00ean ti\u1ebfn c\u1ee7a m\u00ecnh, s\u1ee9 m\u1ec7nh n\u00e0y gi\u00fap ch\u00fang ta hi\u1ec3u \u0111\u01b0\u1ee3c th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a c\u00e1c ng\u00f4i sao, bao g\u1ed3m c\u00e1c nguy\u00ean t\u1ed1 ch\u00ednh nh\u01b0 tinh v\u00e2n, kh\u00ed v\u00e0 b\u1ee5i gi\u1eefa c\u00e1c v\u00ec sao. C\u00e1c nguy\u00ean t\u1ed1 n\u00e0y kh\u00f4ng ch\u1ec9 l\u00e0 c\u00e1c chi ti\u1ebft k\u1ef9 thu\u1eadt \u0111\u01a1n thu\u1ea7n m\u00e0 c\u00f2n l\u00e0 manh m\u1ed1i m\u1edf ra c\u00e1nh c\u1eeda \u0111\u1ebfn v\u1edbi nh\u1eefng g\u00f3c nh\u00ecn m\u1edbi.<\/p>\n\n<ul class=\"wp-block-list\"><li>Lo\u1ea1i sao<\/li><li>T\u00ednh ch\u1ea5t<\/li><li>T\u1ea7m quan tr\u1ecdng<\/li><\/ul>\n\n<h3 class=\"wp-block-heading\">Ng\u00f4i sao huy\u1ec1n b\u00ed<\/h3>\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m \u0111\u1ed9c \u0111\u00e1o, th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng c\u1ee5 th\u1ec3.<\/p>\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>Minh h\u1ecda c\u00e1c giai \u0111o\u1ea1n ti\u1ebfn h\u00f3a n\u00e2ng cao c\u1ee7a sao.<\/th>\n<th>C\u00e1c ng\u00f4i sao d\u00e3y ch\u00ednh<\/th>\n<th>C\u00e1c ng\u00f4i sao trong giai \u0111o\u1ea1n \u0111\u1ed1t ch\u00e1y hydro \u1ed5n \u0111\u1ecbnh.<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ph\u1ed5 bi\u1ebfn h\u01a1n, ch\u00fang r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 ph\u00e2n lo\u1ea1i c\u00e1c lo\u1ea1i sao kh\u00e1c.<\/td>\n<td>Tinh v\u00e2n<\/td>\n<td>C\u00e1c v\u00f9ng h\u00ecnh th\u00e0nh sao, bao g\u1ed3m kh\u00ed v\u00e0 b\u1ee5i.<\/td>\n<\/tr>\n<tr>\n<td>Th\u00fac \u0111\u1ea9y s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00e1c ng\u00f4i sao m\u1edbi v\u00e0 cho ph\u00e9p nghi\u00ean c\u1ee9u c\u00e1c chu k\u1ef3 s\u1ed1ng c\u1ee7a sao. Kh\u00e1m ph\u00e1 ch\u00e2n tr\u1eddi v\u00f4 t\u1eadn<\/td>\n<td>D\u1ef1 \u00e1n Gaia, kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t cu\u1ed9c phi\u00eau l\u01b0u c\u00f4ng ngh\u1ec7 \u0111\u01a1n gi\u1ea3n, m\u00e0 c\u00f2n mang \u0111\u1ebfn m\u1ed9t c\u00e1ch m\u1edbi \u0111\u1ec3 nh\u00ecn nh\u1eadn v\u1ecb tr\u00ed c\u1ee7a ch\u00fang ta trong v\u0169 tr\u1ee5. D\u1ef1 \u00e1n tuy\u00ean b\u1ed1 m\u1ed9t th\u00f4ng \u0111i\u1ec7p v\u1ec1 s\u1ef1 khi\u00eam nh\u01b0\u1eddng tr\u01b0\u1edbc s\u1ef1 bao la c\u1ee7a chi\u1ebfc b\u00e1nh k\u1ebfp v\u0169 tr\u1ee5. M\u1ed7i ng\u00f4i sao \u0111\u01b0\u1ee3c quan s\u00e1t, m\u1ed7i chuy\u1ec3n \u0111\u1ed9ng \u0111\u01b0\u1ee3c ghi l\u1ea1i, \u0111\u1ec1u l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a cu\u1ed9c phi\u00eau l\u01b0u thi\u00ean h\u00e0 h\u1ea5p d\u1eabn, n\u01a1i c\u00e2u chuy\u1ec7n v\u1ec1 ngu\u1ed3n g\u1ed1c c\u1ee7a h\u1ec7 m\u1eb7t tr\u1eddi c\u1ee7a ch\u00fang ta li\u00ean t\u1ee5c \u0111\u01b0\u1ee3c vi\u1ebft l\u1ea1i.<\/td>\n<td>Nh\u1eefng th\u00e1ch th\u1ee9c c\u1ee7a ph\u00e9p \u0111o sao<\/td>\n<\/tr>\n<tr>\n<td>Tr\u1ecdng t\u00e2m c\u1ee7a s\u1ee9 m\u1ec7nh n\u00e0y l\u00e0 m\u1ed9t trong nh\u1eefng k\u1ef3 t\u00edch v\u0129 \u0111\u1ea1i nh\u1ea5t n\u1eb1m \u1edf kh\u1ea3 n\u0103ng \u0111o kho\u1ea3ng c\u00e1ch c\u1ee7a c\u00e1c ng\u00f4i sao v\u1edbi m\u1ee9c \u0111\u1ed9 ch\u00ednh x\u00e1c ch\u01b0a t\u1eebng c\u00f3. \u0110\u00e2y l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c c\u00f3 \u00fd ngh\u0129a khoa h\u1ecdc v\u00e0 tri\u1ebft h\u1ecdc s\u00e2u s\u1eafc. T\u00f3m l\u1ea1i, ph\u01b0\u01a1ng ph\u00e1p th\u1ecb sai \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng \u1edf \u0111\u00e2y, cho ph\u00e9p c\u00e1c nh\u00e0 thi\u00ean v\u0103n h\u1ecdc t\u00ednh to\u00e1n kho\u1ea3ng c\u00e1ch c\u1ee7a c\u00e1c ng\u00f4i sao m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 do \u0111\u00f3 t\u0103ng g\u1ea5p m\u01b0\u1eddi l\u1ea7n ki\u1ebfn \u200b\u200bth\u1ee9c c\u1ee7a ch\u00fang ta.<\/td>\n<td>B\u00ean d\u01b0\u1edbi c\u00e1c \u0111i\u1ec3m \u1ea3nh: C\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn<\/td>\n<td>C\u00e1c thi\u1ebft b\u1ecb tr\u00ean t\u00e0u Gaia, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u00f4 c\u00f9ng c\u1ea9n th\u1eadn, ch\u00ednh l\u00e0 ch\u00eca kh\u00f3a th\u1ef1c s\u1ef1 cho cu\u1ed9c th\u00e1m hi\u1ec3m n\u00e0y. Camera, m\u1ed9t trong nh\u1eefng th\u00e0nh ph\u1ea7n ch\u00ednh, ch\u1ee5p \u0111\u01b0\u1ee3c h\u01a1n m\u1ed9t t\u1ef7 ng\u00f4i sao, cung c\u1ea5p ph\u1ea1m vi bao ph\u1ee7 to\u00e0n b\u1ed9 thi\u00ean c\u1ea7u. T\u1ea5m th\u1ea3m pixel n\u00e0y \u0111\u1ea1i di\u1ec7n cho kho l\u01b0u tr\u1eef v\u0169 tr\u1ee5 h\u1ee9a h\u1eb9n s\u1ebd ti\u1ebft l\u1ed9 nh\u1eefng kh\u00e1m ph\u00e1 \u0111a d\u1ea1ng v\u00e0 \u0111\u00e1ng ng\u1ea1c nhi\u00ean.<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n<h3 class=\"wp-block-heading\">S\u1eed d\u1ee5ng m\u00e1y d\u00f2 CCD \u0111\u1ec3 ch\u1ee5p ch\u00ednh x\u00e1c.<\/h3>\n\n<p class=\"wp-block-paragraph\">Th\u1ef1c hi\u1ec7n ph\u00e2n t\u00edch quang ph\u1ed5 \u0111\u1ec3 suy ra th\u00e0nh ph\u1ea7n c\u1ee7a c\u00e1c ng\u00f4i sao. <strong>Nghi\u00ean c\u1ee9u chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a c\u00e1c ng\u00f4i sao, l\u00e0m s\u00e1ng t\u1ecf \u0111\u1ed9ng l\u1ef1c h\u1ecdc thi\u00ean h\u00e0.<\/strong> T\u1eeb tham v\u1ecdng \u0111\u1ebfn h\u1eefu h\u00ecnh<\/p>\n\n<h2 class=\"wp-block-heading\">C\u00e1c nh\u00e0 thi\u00ean v\u0103n h\u1ecdc \u0111\u1ee9ng sau s\u1ee9 m\u1ec7nh, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c \u1ee7y vi\u00ean khoa h\u1ecdc c\u1ee7a s\u1ee9 m\u1ec7nh, c\u0169ng r\u1ea5t t\u00e2m huy\u1ebft v\u1edbi nh\u1eefng h\u00e0m \u00fd trong c\u00f4ng vi\u1ec7c c\u1ee7a h\u1ecd. H\u1ecd bi\u1ebft r\u1eb1ng m\u1ed7i quan s\u00e1t c\u00f3 kh\u1ea3 n\u0103ng vi\u1ebft l\u1ea1i m\u1ed9t trang trong s\u00e1ch thi\u00ean v\u0103n h\u1ecdc. Cam k\u1ebft c\u1ee7a CNRS\/INSU \u0111\u1ed1i v\u1edbi d\u1ef1 \u00e1n n\u00e0y th\u1ec3 hi\u1ec7n r\u00f5 cam k\u1ebft c\u1ee7a h\u1ecd trong vi\u1ec7c th\u00fac \u0111\u1ea9y khoa h\u1ecdc v\u00ec l\u1ee3i \u00edch c\u1ee7a to\u00e0n th\u1ec3 nh\u00e2n lo\u1ea1i. Thi\u1ebft b\u1ecb<\/h2>\n\n<p class=\"wp-block-paragraph\">Ch\u1ee9c n\u0103ng<\/p>\n\n<h3 class=\"wp-block-heading\">T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn thi\u00ean v\u0103n h\u1ecdc<\/h3>\n\n<p class=\"wp-block-paragraph\">Camera CCD<\/p>\n\n<ul class=\"wp-block-list\"><li>Ch\u1ee5p \u1ea3nh c\u00e1c ng\u00f4i sao.<\/li><li>Cho ph\u00e9p ph\u00e2n t\u00edch h\u00e0ng lo\u1ea1t Ng\u00e2n H\u00e0.<\/li><li>M\u00e1y quang ph\u1ed5<\/li><\/ul>\n\n<h3 class=\"wp-block-heading\">Ph\u00e2n t\u00edch \u00e1nh s\u00e1ng t\u1eeb c\u00e1c ng\u00f4i sao.<\/h3>\n\n<p class=\"wp-block-paragraph\">X\u00e1c \u0111\u1ecbnh th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a c\u00e1c ng\u00f4i sao.<\/p>\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>Th\u01b0\u1edbc \u0111o g\u00f3c<\/th>\n<th>\u0110o kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c ng\u00f4i sao.<\/th>\n<th>C\u1ea3i thi\u1ec7n hi\u1ec3u bi\u1ebft c\u1ee7a ch\u00fang ta v\u1ec1 kh\u00f4ng gian gi\u1eefa c\u00e1c v\u00ec sao.<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Kh\u00e1m ph\u00e1 Th\u1ebf gi\u1edbi m\u1edbi<\/td>\n<td>Gaia kh\u00f4ng ch\u1ec9 gi\u1edbi h\u1ea1n \u1edf vi\u1ec7c nghi\u00ean c\u1ee9u c\u00e1c ng\u00f4i sao. Nhi\u1ec7m v\u1ee5 n\u00e0y c\u00f2n t\u1eadp trung v\u00e0o vi\u1ec7c x\u00e1c \u0111\u1ecbnh c\u00e1c h\u1ec7 m\u1eb7t tr\u1eddi ch\u01b0a \u0111\u01b0\u1ee3c kh\u00e1m ph\u00e1. Trong nhi\u1ec1u n\u0103m qua, nghi\u00ean c\u1ee9u \u0111\u00e3 ti\u1ebft l\u1ed9 s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a h\u00e0ng t\u1ef7 ng\u00f4i sao, nhi\u1ec1u ng\u00f4i sao trong s\u1ed1 \u0111\u00f3 c\u00f3 th\u1ec3 ch\u1ee9a c\u00e1c h\u00e0nh tinh. V\u1eady, Gaia \u0111\u00e3 cung c\u1ea5p cho ch\u00fang ta nh\u1eefng ti\u1ebft l\u1ed9 g\u00ec?<\/td>\n<td>H\u01b0\u1edbng t\u1edbi m\u1ed9t V\u0169 tr\u1ee5 m\u1edbi<\/td>\n<\/tr>\n<tr>\n<td>C\u00e1c kh\u00eda c\u1ea1nh h\u1ea5p d\u1eabn c\u1ee7a nghi\u00ean c\u1ee9u t\u1eadp trung v\u00e0o c\u00e1c ngo\u1ea1i h\u00e0nh tinh, nh\u1eefng th\u1ebf gi\u1edbi k\u1ef3 l\u1ea1 n\u1eb1m ngo\u00e0i h\u1ec7 m\u1eb7t tr\u1eddi c\u1ee7a ch\u00fang ta. S\u1eed d\u1ee5ng d\u1eef li\u1ec7u thu th\u1eadp \u0111\u01b0\u1ee3c, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 c\u00f3 th\u1ec3 suy ra s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a c\u00e1c tinh v\u00e2n m\u1edbi v\u00e0 th\u1eadm ch\u00ed l\u00e0 m\u00f4i tr\u01b0\u1eddng s\u1ed1ng ti\u1ec1m n\u0103ng cho c\u00e1c d\u1ea1ng s\u1ed1ng ngo\u00e0i Tr\u00e1i \u0110\u1ea5t. \u0110\u00e2y l\u00e0 m\u1ed9t ch\u1ee7 \u0111\u1ec1 quan tr\u1ecdng c\u00f3 th\u1ec3 thay \u0111\u1ed5i quan \u0111i\u1ec3m c\u1ee7a ch\u00fang ta v\u1ec1 s\u1ef1 t\u1ed3n t\u1ea1i.<\/td>\n<td>Quan s\u00e1t c\u00e1c ngo\u1ea1i h\u00e0nh tinh m\u1edbi \u1edf c\u00e1c kho\u1ea3ng c\u00e1ch kh\u00e1c nhau.<\/td>\n<td>Ph\u00e2n t\u00edch b\u1ea7u kh\u00ed quy\u1ec3n v\u00e0 th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a c\u00e1c th\u1ebf gi\u1edbi n\u00e0y.<\/td>\n<\/tr>\n<tr>\n<td>Hi\u1ec3u \u0111\u01b0\u1ee3c ti\u1ec1m n\u0103ng sinh s\u1ed1ng.<\/td>\n<td>Nh\u1eefng b\u00ed \u1ea9n c\u1ee7a tinh v\u00e2n \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n<\/td>\n<td>Tinh v\u00e2n, n\u01a1i h\u00ecnh th\u00e0nh sao, c\u0169ng \u0111\u00f3ng vai tr\u00f2 c\u01a1 b\u1ea3n trong qu\u00e1 tr\u00ecnh ti\u1ebfn h\u00f3a c\u1ee7a v\u0169 tr\u1ee5. Gaia cho ph\u00e9p ch\u00fang ta xem x\u00e9t k\u1ef9 l\u01b0\u1ee1ng nh\u1eefng \u0111\u00e1m m\u00e2y kh\u00ed v\u00e0 b\u1ee5i kh\u1ed5ng l\u1ed3 n\u00e0y, ti\u1ebft l\u1ed9 c\u00e1c qu\u00e1 tr\u00ecnh tr\u01b0\u1edbc \u0111\u00e2y ch\u1ec9 \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp \u0111\u1ebfn. C\u00e1c m\u00f4 h\u00ecnh ti\u1ebfn h\u00f3a tinh v\u00e2n l\u00e0m s\u00e1ng t\u1ecf ki\u1ebfn \u200b\u200bth\u1ee9c c\u1ee7a ch\u00fang ta v\u00e0 l\u00e0m n\u1ed5i b\u1eadt s\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a c\u00e1c chu k\u1ef3 s\u1ed1ng c\u1ee7a sao. Tinh v\u00e2n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n<h2 class=\"wp-block-heading\">\u0110\u1eb7c \u0111i\u1ec3m<\/h2>\n\n<p class=\"wp-block-paragraph\">Vai tr\u00f2 trong v\u0169 tr\u1ee5<\/p>\n\n<h3 class=\"wp-block-heading\">Tinh v\u00e2n Orion<\/h3>\n\n<p class=\"wp-block-paragraph\">Khu v\u1ef1c h\u00ecnh th\u00e0nh sao m\u1ea1nh m\u1ebd.<\/p>\n\n<ul class=\"wp-block-list\"><li>H\u1ecd c\u00e1c ng\u00f4i sao t\u1eeb khu v\u1ef1c n\u00e0y, quan tr\u1ecdng \u0111\u1ed1i v\u1edbi qu\u00e1 tr\u00ecnh ti\u1ebfn h\u00f3a.<\/li><li>Tinh v\u00e2n Lagoon<\/li><li>Tinh v\u00e2n s\u00e1ng v\u1edbi qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh m\u1ea1nh m\u1ebd.<\/li><\/ul>\n\n<h3 class=\"wp-block-heading\">Nghi\u00ean c\u1ee9u chu k\u1ef3 s\u1ed1ng c\u1ee7a sao.<\/h3>\n\n<p class=\"wp-block-paragraph\">Tinh v\u00e2n Carina<\/p>\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>Gi\u00e0u kh\u00ed v\u00e0 b\u1ee5i, l\u00e0 n\u01a1i sinh s\u1ed1ng c\u1ee7a nhi\u1ec1u ng\u00f4i sao tr\u1ebb.<\/th>\n<th>Hi\u1ec3u v\u1ec1 \u0111\u1ed9ng l\u1ef1c c\u1ee7a tinh v\u00e2n li\u00ean quan \u0111\u1ebfn l\u1ef1c h\u1ea5p d\u1eabn.<\/th>\n<th>Gi\u1ea3i m\u00e3 Ng\u00e2n H\u00e0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>M\u1ed9t trong nh\u1eefng tham v\u1ecdng l\u1edbn c\u1ee7a Gaia l\u00e0 c\u00f3 c\u00e1i nh\u00ecn to\u00e0n di\u1ec7n v\u1ec1 Thi\u00ean h\u00e0 c\u1ee7a ch\u00fang ta. B\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p d\u1eef li\u1ec7u thu th\u1eadp \u0111\u01b0\u1ee3c, c\u00e1c nh\u00e0 thi\u00ean v\u0103n h\u1ecdc c\u00f3 th\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh v\u00e0 ti\u1ebfn h\u00f3a c\u1ee7a c\u00e1c c\u1ea5u tr\u00fac thi\u00ean h\u00e0. Gaia ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t ng\u01b0\u1eddi gi\u1eef th\u1eddi gian thi\u00ean h\u00e0, cho ph\u00e9p nghi\u00ean c\u1ee9u c\u00e1c chuy\u1ec3n \u0111\u1ed9ng ph\u1ee9c t\u1ea1p c\u1ee7a sao.<\/td>\n<td>\u0110\u1ed9ng l\u1ef1c thi\u00ean h\u00e0<\/td>\n<td>D\u1eef li\u1ec7u do s\u1ee9 m\u1ec7nh cung c\u1ea5p \u0111\u00e3 l\u00e0m s\u00e1ng t\u1ecf c\u00e1ch c\u00e1c ng\u00f4i sao di chuy\u1ec3n v\u00e0 t\u01b0\u01a1ng t\u00e1c trong Thi\u00ean h\u00e0 c\u1ee7a ch\u00fang ta. Nh\u1eefng chuy\u1ec3n \u0111\u1ed9ng n\u00e0y, ch\u1ecbu \u1ea3nh h\u01b0\u1edfng c\u1ee7a c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 tr\u1ecdng l\u1ef1c v\u00e0 s\u1ef1 h\u00ecnh th\u00e0nh c\u00e1c ng\u00f4i sao m\u1edbi, r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u1ea1o ra b\u1ea3n \u0111\u1ed3 ch\u00ednh x\u00e1c v\u1ec1 c\u1ea5u tr\u00fac c\u1ee7a Ng\u00e2n H\u00e0.<\/td>\n<\/tr>\n<tr>\n<td>Ph\u00e2n t\u00edch chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a h\u00e0ng tr\u0103m tri\u1ec7u ng\u00f4i sao.<\/td>\n<td>Ph\u00e1t tri\u1ec3n c\u00e1c m\u00f4 h\u00ecnh \u0111\u1ed9ng bi\u1ec3u di\u1ec5n s\u1ef1 h\u00ecnh th\u00e0nh thi\u00ean h\u00e0.<\/td>\n<td>Kh\u00e1m ph\u00e1 \u1ea3nh h\u01b0\u1edfng c\u1ee7a c\u00e1c l\u1ed7 \u0111en v\u00e0 c\u00e1c v\u1eadt th\u1ec3 l\u1edbn l\u00ean c\u1ea5u tr\u00fac thi\u00ean h\u00e0.<\/td>\n<\/tr>\n<tr>\n<td>T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn thi\u00ean v\u0103n h\u1ecdc \u0111\u01b0\u01a1ng \u0111\u1ea1i<\/td>\n<td>S\u1ee9 m\u1ec7nh n\u00e0y nh\u1eb1m ph\u1ea3n \u00e1nh chuy\u00ean m\u00f4n chung c\u1ee7a c\u00e1c nh\u00e0 thi\u00ean v\u0103n h\u1ecdc. Nh\u1eefng nh\u00e2n v\u1eadt ch\u1ee7 ch\u1ed1t nh\u01b0 Catherine Turon, Fr\u00e9d\u00e9ric Arenou v\u00e0 nh\u1eefng ng\u01b0\u1eddi kh\u00e1c \u0111\u00e3 \u0111\u00f3ng g\u00f3p v\u00e0o vi\u1ec7c x\u00e2y d\u1ef1ng s\u00e1ng ki\u1ebfn \u200b\u200bn\u00e0y v\u00e0 bi\u1ebfn n\u00f3 th\u00e0nh chu\u1ea9n m\u1ef1c to\u00e0n c\u1ea7u. Theo ngh\u0129a n\u00e0y, c\u00e1c k\u1ebft qu\u1ea3 thu \u0111\u01b0\u1ee3c t\u1eeb Gaia \u0111ang \u0111\u1ecbnh ngh\u0129a l\u1ea1i ki\u1ebfn \u200b\u200bth\u1ee9c c\u1ee7a ch\u00fang ta trong l\u0129nh v\u1ef1c thi\u00ean v\u0103n h\u1ecdc \u0111\u01b0\u01a1ng \u0111\u1ea1i.<\/td>\n<td>\u0110\u00f3ng g\u00f3p khoa h\u1ecdc<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n<h2 class=\"wp-block-heading\">K\u1ebft qu\u1ea3<\/h2>\n\n<p class=\"wp-block-paragraph\">T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn nghi\u00ean c\u1ee9u<\/p>\n\n<h3 class=\"wp-block-heading\">Nghi\u00ean c\u1ee9u \u0111\u1ed9ng v\u1ec1 c\u00e1c ng\u00f4i sao<\/h3>\n\n<p class=\"wp-block-paragraph\">L\u1eadp b\u1ea3n \u0111\u1ed3 chuy\u1ec3n \u0111\u1ed9ng ph\u1ee9c t\u1ea1p c\u1ee7a c\u00e1c ng\u00f4i sao. L\u00e0m s\u00e1ng t\u1ecf c\u00e1c chu k\u1ef3 s\u1ed1ng c\u1ee7a thi\u00ean h\u00e0.<\/p>\n\n<ul class=\"wp-block-list\"><li>Ph\u00e2n t\u00edch ngo\u1ea1i h\u00e0nh tinh<\/li><li>X\u00e1c \u0111\u1ecbnh c\u00e1c h\u1ec7 m\u1eb7t tr\u1eddi m\u1edbi.<\/li><li>Th\u00fac \u0111\u1ea9y vi\u1ec7c xem x\u00e9t kh\u1ea3 n\u0103ng sinh s\u1ed1ng c\u1ee7a c\u00e1c th\u1ebf gi\u1edbi xa x\u00f4i.<\/li><\/ul>\n\n<h3 class=\"wp-block-heading\">Quan s\u00e1t tinh v\u00e2n<\/h3>\n\n<p class=\"wp-block-paragraph\">Hi\u1ec3u s\u00e2u s\u1eafc v\u1ec1 s\u1ef1 h\u00ecnh th\u00e0nh sao.<\/p>\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>Thay \u0111\u1ed5i quan \u0111i\u1ec3m c\u1ee7a ch\u00fang ta v\u1ec1 c\u00e1c qu\u00e1 tr\u00ecnh ti\u1ebfn h\u00f3a.<\/th>\n<th><\/th>\n<th><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n","protected":false},"excerpt":{"rendered":"<p>Trong m\u1ed9t v\u0169 tr\u1ee5 n\u01a1i s\u1ef1 t\u00f2 m\u00f2 c\u1ee7a con ng\u01b0\u1eddi g\u1eb7p g\u1ee1 s\u1ef1 bao la c\u1ee7a v\u0169 tr\u1ee5, s\u1ee9 m\u1ec7nh Gaia \u0111ang \u0111\u1ecbnh h\u00ecnh \u0111\u1ec3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng cu\u1ed9c th\u00e1m hi\u1ec3m thi\u00ean v\u0103n v\u0129 \u0111\u1ea1i nh\u1ea5t c\u1ee7a th\u1ebf k\u1ef7 21. \u0110\u01b0\u1ee3c h\u00ecnh th\u00e0nh b\u1edfi \u0110\u00e0i quan s\u00e1t Paris, cu\u1ed9c phi\u00eau l\u01b0u \u0111\u1ed9c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":45867,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1560],"tags":[79717,79720,79723,30186,79714],"class_list":["post-45891","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc-tri-tue-nhan-tao-vi","tag-bau-troi-vi","tag-gaia-vi","tag-sau-vi","tag-tham-do-vi","tag-thien-van-hoc-vi"],"_links":{"self":[{"href":"https:\/\/www.mon-agent-ia.fr\/blog\/wp-json\/wp\/v2\/posts\/45891","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mon-agent-ia.fr\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mon-agent-ia.fr\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mon-agent-ia.fr\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mon-agent-ia.fr\/blog\/wp-json\/wp\/v2\/comments?post=45891"}],"version-history":[{"count":1,"href":"https:\/\/www.mon-agent-ia.fr\/blog\/wp-json\/wp\/v2\/posts\/45891\/revisions"}],"predecessor-version":[{"id":45892,"href":"https:\/\/www.mon-agent-ia.fr\/blog\/wp-json\/wp\/v2\/posts\/45891\/revisions\/45892"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mon-agent-ia.fr\/blog\/wp-json\/wp\/v2\/media\/45867"}],"wp:attachment":[{"href":"https:\/\/www.mon-agent-ia.fr\/blog\/wp-json\/wp\/v2\/media?parent=45891"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mon-agent-ia.fr\/blog\/wp-json\/wp\/v2\/categories?post=45891"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mon-agent-ia.fr\/blog\/wp-json\/wp\/v2\/tags?post=45891"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}