C\u00f3 ch\u00edn h\u00e0nh tinh l\u1edbn trong h\u1ec7 M\u1eb7t Tr\u1eddi. H\u1ea7u nh\u01b0 vi\u1ec7c ph\u00e1t hi\u1ec7n m\u1ed7i h\u00e0nh tinh \u0111\u1ec1u g\u1ee3i s\u1ef1 ch\u00fa \u00fd \u0111\u1eb7c bi\u1ec7t c\u1ee7a m\u1ecdi ng\u01b0\u1eddi.<\/p>\n\n\n\n
Ngay t\u1eeb th\u1eddi c\u1ed5 \u0111\u1ea1i, ng\u01b0\u1eddi ta \u0111\u00e3 d\u1ef1a v\u00e0o m\u1eaft th\u01b0\u1eddng \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c h\u00e0nh tinh: Sao Ho\u1ea3, Sao Kim, Sao M\u1ed9c, Sao Th\u1ed5, Sao Thu\u1ef7. V\u00e0o n\u0103m 1781, nh\u00e0 thi\u00ean v\u0103n chuy\u00ean nghi\u00ean c\u1ee9u c\u00e1c h\u00e0nh tinh c\u1ee7a n\u01b0\u1edbc Anh l\u00e0 Wiliam Hershel nh\u1edd m\u1ed9t k\u00ednh vi\u1ec5n v\u1ecdng c\u00f3 \u0111\u1ed9 ph\u00f3ng \u0111\u1ea1i l\u1edbn t\u1ef1 ch\u1ebf t\u1ea1o \u0111\u00e3 quan s\u00e1t h\u1ec7 M\u1eb7t Tr\u1eddi v\u00e0 t\u00ecm th\u1ea5y m\u1ed9t h\u00e0nh tinh m\u1edbi \u0111\u00f3 l\u00e0 sao Thi\u00ean v\u01b0\u01a1ng. Sau khi ph\u00e1t hi\u1ec7n Thi\u00ean v\u01b0\u01a1ng tinh l\u00e0 s\u1ef1 ph\u00e1t hi\u1ec7n sao H\u1ea3i v\u01b0\u01a1ng.<\/p>\n\n\n\n
\u0110i\u1ec1u r\u1ea5t th\u00fa v\u1ecb l\u00e0 vi\u1ec7c ph\u00e1t hi\u1ec7n sao H\u1ea3i v\u01b0\u01a1ng kh\u00f4ng ph\u1ea3i qua quan tr\u1eafc m\u00e0 do hai nh\u00e0 thi\u00ean v\u0103n d\u00f9ng \u201cph\u01b0\u01a1ng ph\u00e1p to\u00e1n h\u1ecdc\u201d t\u00ednh ra \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n
Khi Hershel d\u00f9ng k\u00ednh vi\u1ec5n v\u1ecdng ng\u1eabu nhi\u00ean ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c sao Thi\u00ean v\u01b0\u01a1ng \u0111\u00e3 \u0111em l\u1ea1i nhi\u1ec1u lo l\u1eafng cho c\u00e1c nh\u00e0 thi\u00ean v\u0103n h\u01a1n l\u00e0 vui m\u1eebng, b\u1edfi v\u00ec h\u00e0nh tinh n\u00e0y th\u01b0\u1eddng xuy\u00ean v\u01b0\u1ee3t ra ngo\u00e0i qu\u1ef9 \u0111\u1ea1o. Sao \u201cThi\u00ean v\u01b0\u01a1ng\u201d nh\u01b0 anh ch\u00e0ng say r\u01b0\u1ee3u, lu\u00f4n l\u1ea3o \u0111\u1ea3o, chao \u0111\u1ea3o tr\u00ean \u0111\u01b0\u1eddng \u0111i.<\/p>\n\n\n\n
V\u00e0o n\u0103m 1845, nh\u00e0 thi\u00ean v\u0103n Ph\u00e1p Le Verrier nghe \u0111\u01b0\u1ee3c th\u00f4ng tin n\u00e0y, d\u1ef1a v\u00e0o c\u00e1c t\u01b0 li\u1ec7u thu th\u1eadp \u0111\u01b0\u1ee3c, v\u00e0 c\u00e1c s\u1ed1 li\u1ec7u quan tr\u1eafc, \u00f4ng \u0111\u00e3 l\u1eadp \u0111\u01b0\u1ee3c ch\u00edn ph\u01b0\u01a1ng tr\u00ecnh v\u00e0 \u0111\u1ebfn ng\u00e0y 31-8-1846 t\u00ednh ra qu\u1ef9 \u0111\u1ea1o c\u1ee7a m\u1ed9t h\u00e0nh tinh ch\u01b0a bi\u1ebft c\u0169ng nh\u01b0 t\u00ednh to\u00e1n s\u1eb5n v\u1ecb tr\u00ed m\u00e0 h\u00e0nh tinh \u0111\u00f3 s\u1ebd xu\u1ea5t hi\u1ec7n. K\u1ebft lu\u1eadn n\u00e0y \u0111\u01b0\u1ee3c tr\u01b0\u1edfng \u0111\u00e0i thi\u00ean v\u0103n Berlin l\u00e0 Gale ch\u00fa \u00fd v\u00e0 v\u1ec1 sau ch\u00ednh Gale \u0111\u00e3 ph\u00e1t hi\u1ec7n sao H\u1ea3i v\u01b0\u01a1ng.<\/p>\n\n\n\n
Song ng\u01b0\u1eddi t\u00ednh ra \u201cH\u1ea3i v\u01b0\u01a1ng tinh\u201d s\u1edbm nh\u1ea5t kh\u00f4ng ph\u1ea3i l\u00e0 Leverier m\u00e0 l\u00e0 nh\u00e0 thi\u00ean v\u0103n ng\u01b0\u1eddi Anh A \u0111em th\u1ef1c hi\u1ec7n v\u00e0o ng\u00e0y 10.9.1845 v\u00e0 \u0111\u00e3 g\u1eedi c\u00e1c b\u00e1o c\u00e1o \u0111\u1ebfn cho m\u1ed9t gi\u00e1o s\u01b0 \u1edf \u0111\u00e0i thi\u00ean v\u0103n Cambridge, nh\u1edd h\u1ecd quan tr\u1eafc v\u00e0 t\u00ecm h\u00e0nh tinh b\u00ed m\u1eadt n\u1ecd.<\/p>\n\n\n\n
C\u00f3 th\u1ec3 b\u1ea5y gi\u1edd A\u0111em v\u1eabn c\u00f2n l\u00e0 ng\u01b0\u1eddi ch\u01b0a c\u00f3 ti\u1ebfng t\u0103m g\u00ec trong gi\u1edbi thi\u00ean v\u0103n n\u00ean c\u00e1c \u00fd ki\u1ebfn c\u1ee7a anh thanh ni\u00ean 20 tu\u1ed5i n\u00e0y ch\u01b0a \u0111\u01b0\u1ee3c ch\u00fa \u00fd.<\/p>\n\n\n\n
V\u1ec1 sau c\u00e1c nh\u00e0 thi\u00ean v\u0103n \u1edf Anh v\u00e0 Ph\u00e1p tranh nhau quy\u1ec1n ph\u00e1t hi\u1ec7n sao H\u1ea3i v\u01b0\u01a1ng, nh\u01b0ng Gale v\u00e0 A\u0111em \u0111\u00e3 \u0111\u1ee9ng ngo\u00e0i cu\u1ed9c tranh ch\u1ea5p v\u00e0 h\u1ecd tr\u1edf th\u00e0nh \u0111\u00f4i b\u1ea1n th\u00e2n.<\/p>\n\n\n\n
Vi\u1ec7c d\u00f9ng to\u00e1n h\u1ecdc ch\u1ee9ng minh s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a sao H\u1ea3i v\u01b0\u01a1ng \u0111\u00e3 ch\u1ee9ng minh uy l\u1ef1c m\u1ea1nh m\u1ebd c\u1ee7a to\u00e1n h\u1ecdc.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: Ph\u01b0\u01a1ng ph\u00e1p to\u00e1n h\u1ecdc; Sao H\u1ea3i V\u01b0\u01a1ng.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
C\u00f3 ch\u00edn h\u00e0nh tinh l\u1edbn trong h\u1ec7 M\u1eb7t Tr\u1eddi. H\u1ea7u nh\u01b0 vi\u1ec7c ph\u00e1t hi\u1ec7n m\u1ed7i h\u00e0nh tinh \u0111\u1ec1u g\u1ee3i s\u1ef1 ch\u00fa \u00fd \u0111\u1eb7c bi\u1ec7t c\u1ee7a m\u1ecdi ng\u01b0\u1eddi. Ngay t\u1eeb th\u1eddi c\u1ed5 \u0111\u1ea1i, ng\u01b0\u1eddi ta \u0111\u00e3 d\u1ef1a v\u00e0o m\u1eaft th\u01b0\u1eddng \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c h\u00e0nh tinh: Sao Ho\u1ea3, Sao Kim, Sao M\u1ed9c, Sao Th\u1ed5, Sao Thu\u1ef7. […]<\/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":[15,9],"tags":[],"class_list":["post-7660","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-toan-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7660","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=7660"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7660\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=7660"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=7660"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=7660"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}