Tr\u00e1i \u0111\u1ea5t m\u00e0 ta s\u1ed1ng c\u00f3 m\u1ed9t l\u1edbp “\u00e1o gi\u00e1p” r\u1ea5t d\u00e0y, \u0111\u00f3 l\u00e0 b\u1ea7u kh\u00ed quy\u1ec3n (kho\u1ea3ng 3.000 km) (nh\u01b0ng t\u1ea7ng m\u1eadt \u0111\u1ed9 d\u00e0y \u0111\u1eb7c ch\u1ec9 kho\u1ea3ng m\u1ea5y ch\u1ee5c km), nh\u1edd n\u00f3 b\u1ea3o h\u1ed9 m\u00e0 con ng\u01b0\u1eddi m\u1edbi tr\u00e1nh kh\u1ecfi sao b\u0103ng t\u1eeb v\u0169 tr\u1ee5 bay \u0111\u1ebfn, m\u1ed9t s\u1ed1 lo\u1ea1i tia c\u00f3 h\u1ea1i v\u00e0 s\u1ef1 nguy hi\u1ec3m c\u1ee7a c\u00e1c h\u1ea1t v\u0169 tr\u1ee5. N\u00f3 c\u00f2n b\u1ea3o \u0111\u1ea3m nhi\u1ec7t \u0111\u1ed9 cho b\u1ec1 m\u1eb7t Tr\u00e1i \u0110\u1ea5t. Do \u0111\u00f3, t\u1ea7ng kh\u00ed quy\u1ec3n n\u00e0y r\u1ea5t c\u00f3 \u00edch.<\/p>\n\n\n\n
Nh\u01b0ng c\u0169ng ch\u00ednh t\u1ea7ng kh\u00ed quy\u1ec3n n\u00e0y \u0111\u00e3 \u0111\u01b0a l\u1ea1i cho ta kh\u00f4ng \u00edt phi\u1ec1n ph\u1ee9c, khi\u1ebfn cho vi\u1ec7c t\u00ecm hi\u1ec3u c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng trong v\u0169 tr\u1ee5 b\u1ecb h\u1ea1n ch\u1ebf r\u1ea5t nhi\u1ec1u. V\u00ed d\u1ee5 v\u1ec1 m\u1eb7t nghi\u00ean c\u1ee9u thi\u00ean v\u0103n, s\u1ef1 nhi\u1ec5u \u0111\u1ed9ng c\u1ee7a kh\u00f4ng kh\u00ed g\u00e2y ra c\u00e1c ng\u00f4i sao nh\u1ea5p nh\u00e1y, khi\u1ebfn cho k\u00ednh vi\u1ec5n v\u1ecdng nh\u00ecn th\u1ea5y c\u00e1c ng\u00f4i sao r\u1ea5t m\u1edd, c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ph\u00f3ng \u0111\u1ea1i c\u1ee7a k\u00ednh vi\u1ec5n v\u1ecdng (n\u00f3i chung h\u1ec7 s\u1ed1 ph\u00f3ng \u0111\u1ea1i kh\u00f4ng th\u1ec3 v\u01b0\u1ee3t qu\u00e1 1000), nhi\u1ec1u thi\u00ean th\u1ec3 xa x\u0103m v\u00e0 t\u1ed1i kh\u00f4ng th\u1ec3 quan s\u00e1t \u0111\u01b0\u1ee3c. T\u00e1c d\u1ee5ng chi\u1ebft quang v\u00e0 t\u00e1n s\u1eafc c\u1ee7a kh\u00f4ng kh\u00ed s\u1ebd l\u00e0m v\u1ecb tr\u00ed, h\u00ecnh d\u1ea1ng v\u00e0 m\u00e0u s\u1eafc c\u00e1c thi\u00ean th\u1ec3 l\u1ec7ch \u0111i.<\/p>\n\n\n\n
T\u1ea7ng kh\u00ed quy\u1ec3n c\u00f2n h\u1ea5p thu ph\u1ea7n l\u1edbn c\u00e1c tia h\u1ed3ng ngo\u1ea1i v\u00e0 t\u1eed ngo\u1ea1i khi\u1ebfn cho con ng\u01b0\u1eddi tr\u00ean m\u1eb7t \u0111\u1ea5t kh\u00f4ng th\u1ec3 nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c ch\u00fang. S\u00f3ng v\u00f4 tuy\u1ebfn b\u01b0\u1edbc s\u00f3ng d\u00e0i kh\u00f4ng th\u1ec3 xuy\u00ean qua t\u1ea7ng kh\u00ed quy\u1ec3n khi\u1ebfn cho ph\u1ea1m vi quan tr\u1eafc c\u1ee7a k\u00ednh vi\u1ec5n v\u1ecdng \u0111i\u1ec7n t\u1eed tr\u00ean m\u1eb7t \u0111\u1ea5t b\u1ecb h\u1ea1n ch\u1ebf. C\u00f2n s\u1ef1 bi\u1ebfn \u0111\u1ed5i c\u1ee7a kh\u00ed h\u1eadu nh\u01b0 m\u01b0a, tr\u1eddi \u00e2m u c\u0169ng khi\u1ebfn cho c\u00e1c \u0111\u00e0i thi\u00ean v\u0103n quang h\u1ecdc tr\u00ean m\u1eb7t \u0111\u1ea5t kh\u00f4ng th\u1ec3 quan tr\u1eafc \u0111\u01b0\u1ee3c, cho n\u00ean c\u00e1c nh\u00e0 thi\u00ean v\u0103n m\u01a1 \u01b0\u1edbc \u0111\u01b0a k\u00ednh vi\u1ec5n v\u1ecdng l\u00ean v\u1ec7 tinh, x\u00e2y d\u1ef1ng \u0111\u00e0i thi\u00ean v\u0103n ngo\u00e0i t\u1ea7ng kh\u00ed quy\u1ec3n, t\u1eeb \u0111\u00f3 c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c nhi\u1ec1u h\u01a1n b\u1ed9 m\u1eb7t th\u1eadt c\u1ee7a c\u00e1c thi\u00ean th\u1ec3. Tr\u00ean \u0111\u00f3 c\u00e1c ng\u00f4i sao kh\u00f4ng c\u00f2n nh\u1ea5p nh\u00e1y, \u00e1nh s\u00e1ng M\u1eb7t Tr\u1eddi c\u0169ng kh\u00f4ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng t\u00e1n x\u1ea1, quan tr\u1eafc r\u1ea5t thu\u1eadn ti\u1ec7n, c\u00f3 th\u1ec3 quan tr\u1eafc \u0111\u01b0\u1ee3c c\u00e1c qu\u1ea7ng t\u00e1n c\u1ee7a M\u1eb7t Tr\u1eddi b\u1ea5t c\u1ee9 l\u00fac n\u00e0o. H\u01a1n n\u1eefa tr\u00ean tr\u1ea1m v\u1ec7 tinh nh\u00e2n t\u1ea1o, tr\u1ea1ng th\u00e1i m\u1ea5t tr\u1ecdng l\u01b0\u1ee3ng s\u1ebd kh\u00f4ng g\u00e2y ra s\u1ef1 lo ng\u1ea1i k\u00ednh vi\u1ec5n v\u1ecdng b\u1ecb bi\u1ebfn d\u1ea1ng, d\u00f9 l\u00e0 k\u00ednh vi\u1ec5n v\u1ecdng quang h\u1ecdc hay k\u00ednh vi\u1ec5n v\u1ecdng v\u00f4 tuy\u1ebfn \u0111\u1ec1u c\u00f3 th\u1ec3 n\u00e2ng cao h\u1ec7 s\u1ed1 ph\u00f3ng \u0111\u1ea1i. T\u1eeb th\u1eadp k\u1ef7 60 \u0111\u1ebfn nay, c\u00e1c n\u01b0\u1edbc \u0111\u00e3 ph\u00f3ng h\u00e0ng lo\u1ea1t v\u1ec7 tinh thi\u00ean v\u0103n, thi\u1ebft b\u1ecb th\u0103m d\u00f2 h\u00e0nh tinh v\u00e0 c\u00e1c thi\u1ebft b\u1ecb th\u0103m d\u00f2 kh\u00f4ng gian gi\u1eefa c\u00e1c v\u00ec sao, t\u1eeb \u0111\u00f3 m\u1edf ra m\u1ed9t th\u1eddi \u0111\u1ea1i m\u1edbi nghi\u00ean c\u1ee9u thi\u00ean v\u0103n trong v\u0169 tr\u1ee5 c\u1ee7a nh\u00e2n lo\u1ea1i, m\u1edf ra con \u0111\u01b0\u1eddng r\u1ed9ng l\u1edbn cho nghi\u00ean c\u1ee9u thi\u00ean v\u0103n, khi\u1ebfn cho n\u0103ng l\u1ef1c nh\u1eadn th\u1ee9c th\u1ebf gi\u1edbi, c\u1ea3i t\u1ea1o th\u1ebf gi\u1edbi c\u1ee7a con ng\u01b0\u1eddi ti\u1ebfn th\u00eam m\u1ed9t b\u01b0\u1edbc.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: B\u1ea7u kh\u00ed quy\u1ec3n;<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Tr\u00e1i \u0111\u1ea5t m\u00e0 ta s\u1ed1ng c\u00f3 m\u1ed9t l\u1edbp “\u00e1o gi\u00e1p” r\u1ea5t d\u00e0y, \u0111\u00f3 l\u00e0 b\u1ea7u kh\u00ed quy\u1ec3n (kho\u1ea3ng 3.000 km) (nh\u01b0ng t\u1ea7ng m\u1eadt \u0111\u1ed9 d\u00e0y \u0111\u1eb7c ch\u1ec9 kho\u1ea3ng m\u1ea5y ch\u1ee5c km), nh\u1edd n\u00f3 b\u1ea3o h\u1ed9 m\u00e0 con ng\u01b0\u1eddi m\u1edbi tr\u00e1nh kh\u1ecfi sao b\u0103ng t\u1eeb v\u0169 tr\u1ee5 bay \u0111\u1ebfn, m\u1ed9t s\u1ed1 lo\u1ea1i tia c\u00f3 h\u1ea1i v\u00e0 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,7],"tags":[],"class_list":["post-6809","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-vat-ly"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/6809","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=6809"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/6809\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=6809"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=6809"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=6809"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}