Nh\u01b0 ta \u0111\u00e3 bi\u1ebft h\u1ec7 M\u1eb7t Tr\u1eddi c\u00f3 9 h\u00e0nh tinh l\u1edbn, nh\u01b0ng t\u1eeb l\u00e2u \u0111\u1ebfn nay c\u00e1c nh\u00e0 thi\u00ean v\u0103n \u0111\u1ec1u b\u1ecb m\u1ed9t c\u00e2u h\u1ecfi l\u00e0m tr\u0103n tr\u1edf, \u0111\u00f3 l\u00e0 qu\u1ef9 \u0111\u1ea1o chuy\u1ec3n \u0111\u1ed9ng th\u1ef1c c\u1ee7a Thi\u00ean V\u01b0\u01a1ng Tinh v\u00e0 H\u1ea3i V\u01b0\u01a1ng Tinh ch\u00eanh l\u1ec7ch so v\u1edbi v\u1ecb tr\u00ed qu\u1ef9 \u0111\u1ea1o t\u00ednh to\u00e1n theo l\u00fd thuy\u1ebft.<\/p>\n\n\n\n
Tuy nhi\u00ean v\u1ec1 sau ng\u01b0\u1eddi ta ph\u00e1t hi\u1ec7n ngo\u00e0i H\u1ea3i V\u01b0\u01a1ng Tinh c\u00f2n c\u00f3 Di\u00eam V\u01b0\u01a1ng Tinh, nh\u01b0ng kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a<\/p>\n\n\n\n
Di\u00eam V\u01b0\u01a1ng Tinh qu\u00e1 nh\u1ecf, kh\u00f4ng \u0111\u1ee7 l\u00e0m l\u00fd do \u0111\u1ec3 gi\u1ea3i th\u00edch cho v\u1ea5n \u0111\u1ec1 qu\u1ef9 \u0111\u1ea1o chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a Thi\u00ean V\u01b0\u01a1ng Tinh v\u00e0 H\u1ea3i V\u01b0\u01a1ng Tinh b\u1ecb sai l\u1ec7ch. Do \u0111\u00f3 m\u1ed9t s\u1ed1 nh\u00e0 thi\u00ean v\u0103n tin r\u1eb1ng, ngo\u00e0i Di\u00eam V\u01b0\u01a1ng Tinh c\u00f2n t\u1ed3n t\u1ea1i m\u1ed9t h\u00e0nh tinh l\u1edbn th\u1ee9 10 n\u00e0o \u0111\u00f3 c\u1ee7a h\u1ec7 M\u1eb7t Tr\u1eddi.<\/p>\n\n\n\n
Bao nhi\u00eau n\u0103m nay, t\u1eeb khi ch\u01b0a t\u1ed3n t\u1ea1i nh\u1eefng ng\u01b0\u1eddi ph\u1ee7 nh\u1eadn Di\u00eam V\u01b0\u01a1ng Tinh, th\u00ec ng\u00e0y c\u00e0ng c\u00f3 nhi\u1ec1u ng\u01b0\u1eddi t\u1eeb nh\u1eefng g\u00f3c \u0111\u1ed9 kh\u00e1c nhau \u0111\u01b0a ra kh\u1ea3 n\u0103ng t\u1ed3n t\u1ea1i h\u00e0nh tinh th\u1ee9 10.<\/p>\n\n\n\n
C\u00f3 ng\u01b0\u1eddi \u0111\u00e3 t\u00ednh qu\u1ef9 \u0111\u1ea1o chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a sao ch\u1ed5i Haley trong th\u1eddi gian h\u01a1n 1500 n\u0103m, k\u1ec3 t\u1eeb n\u0103m 1835 \u0111\u1ebfm l\u00f9i \u0111\u1ebfn 295 tr\u01b0\u1edbc C\u00f4ng nguy\u00ean, k\u1ebft qu\u1ea3 ph\u00e1t hi\u1ec7n ng\u00e0y th\u1ef1c t\u1ebf sao ch\u1ed5i Haley \u0111i qua \u0111i\u1ec3m qu\u1ef9 \u0111\u1ea1o g\u1ea7n M\u1eb7t Tr\u1eddi nh\u1ea5t ch\u00eanh l\u1ec7ch v\u1edbi ng\u00e0y t\u00ednh to\u00e1n theo l\u00fd thuy\u1ebft. L\u1ea7n \u0111i qua n\u0103m 1835, s\u1ed1 ng\u00e0y th\u1ef1c t\u1ebf ch\u1eadm h\u01a1n 3 ng\u00e0y so v\u1edbi t\u00ednh theo l\u00fd thuy\u1ebft; sau \u0111\u00f3 n\u0103m 1910 khi sao ch\u1ed5i quay tr\u1edf v\u1ec1 l\u1ea1i ch\u1eadm h\u01a1n 3 ng\u00e0y. C\u00e1c nh\u00e0 khoa h\u1ecdc ph\u00e1t hi\u1ec7n th\u1eddi gian sao ch\u1ed5i Haley \u0111i qua \u0111i\u1ec3m g\u1ea7n nh\u1ea5t h\u1ea7u nh\u01b0 bi\u1ebfn \u0111\u1ed5i theo chu k\u1ef3 500 n\u0103m. \u0110i\u1ec1u \u0111\u00f3 \u0111i \u0111\u1ebfn s\u1ef1 gi\u1ea3i th\u00edch: khi sao ch\u1ed5i Haley \u0111i qua \u0111i\u1ec3m g\u1ea7n nh\u1ea5t tr\u00ean qu\u1ef9 \u0111\u1ea1o \u0111\u1ed1i v\u1edbi M\u1eb7t Tr\u1eddi \u0111\u00e3 ch\u1ecbu s\u1ef1 \u1ea3nh h\u01b0\u1edfng n\u00e0o \u0111\u00f3 c\u1ee7a m\u1ed9t thi\u00ean th\u1ec3 ch\u01b0a bi\u1ebft. Thi\u00ean th\u1ec3 ch\u01b0a bi\u1ebft n\u00e0y r\u1ea5t c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t h\u00e0nh tinh kh\u00e1c ngo\u00e0i Di\u00eam V\u01b0\u01a1ng Tinh. Chu k\u1ef3 quay quanh M\u1eb7t Tr\u1eddi c\u1ee7a h\u00e0nh tinh ch\u01b0a bi\u1ebft n\u00e0y kho\u1ea3ng 500 n\u0103m.<\/p>\n\n\n\n
N\u0103m 1950 khi t\u00ednh to\u00e1n qu\u1ef9 \u0111\u1ea1o chuy\u1ec3n \u0111\u1ed9ng xa c\u1ee7a sao Ch\u1ed5i, ng\u01b0\u1eddi ta cho r\u1eb1ng ngo\u00e0i Di\u00eam V\u01b0\u01a1ng Tinh ra n\u00ean c\u00f3 m\u1ed9t h\u00e0nh tinh kh\u00e1c n\u1eefa, h\u00e0nh tinh \u0111\u00f3 c\u00e1ch M\u1eb7t Tr\u1eddi kho\u1ea3ng 77 \u0111\u01a1n v\u1ecb thi\u00ean v\u0103n. \u0110\u00e1ng ti\u1ebfc l\u00e0 c\u00e1c nh\u00e0 thi\u00ean v\u0103n \u0111\u00e3 d\u00f9ng k\u00ednh vi\u1ec5n v\u1ecdng trong m\u1ea5y n\u0103m \u0111\u1ec3 t\u00ecm ki\u1ebfm kh\u1eafp b\u1ea7u tr\u1eddi nh\u01b0ng kh\u00f4ng t\u00ecm th\u1ea5y tung t\u00edch c\u1ee7a h\u00e0nh tinh \u0111\u00f3.<\/p>\n\n\n\n
\u1ede \u0111\u00e2y \u0111i\u1ec1u \u0111\u00e1ng n\u00f3i l\u00e0 Thangp\u00f4, nh\u00e0 thi\u00ean v\u0103n \u0111\u00e3 ph\u00e1t hi\u1ec7n ra Di\u00eam V\u01b0\u01a1ng Tinh c\u0169ng r\u1ea5t h\u1ee9ng th\u00fa trong vi\u1ec7c t\u00ecm ki\u1ebfm h\u00e0nh tinh m\u1edbi. \u00d4ng \u0111\u00e3 b\u1ecf ra 14 n\u0103m \u0111\u1ec3 t\u00ecm ki\u1ebfm, l\u1ea7n l\u01b0\u1ee3t ki\u1ec3m tra tr\u00ean 70% c\u00e1c h\u00e0nh tinh m\u1edbi xu\u1ea5t hi\u1ec7n tr\u00ean b\u1ea7u tr\u1eddi nh\u01b0ng kh\u00f4ng thu \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 g\u00ec.<\/p>\n\n\n\n
M\u1eb7t kh\u00e1c c\u00e1c nh\u00e0 thi\u00ean v\u0103n c\u0169ng ho\u00e0i nghi r\u1eb1ng: trong qu\u1ef9 \u0111\u1ea1o c\u1ee7a Thu\u1ef7 tinh c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i m\u1ed9t h\u00e0nh tinh quay quanh M\u1eb7t Tr\u1eddi \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 “H\u00e0nh tinh Thu\u1ef7 n\u1ed9i”. Cho d\u00f9 c\u00f3 t\u1ed3n t\u1ea1i “H\u00e0nh tinh Thu\u1ef7 n\u1ed9i” hay kh\u00f4ng, nh\u01b0ng v\u00ec n\u00f3 c\u00e1ch M\u1eb7t Tr\u1eddi g\u1ea7n qu\u00e1 n\u00ean r\u1ea5t kh\u00f3 quan s\u00e1t, cho \u0111\u1ebfn nay v\u1eabn ch\u01b0a c\u00f3 ph\u00e1t hi\u1ec7n g\u00ec m\u1edbi.<\/p>\n\n\n\n
Cu\u1ed1i c\u00f9ng trong h\u1ec7 M\u1eb7t Tr\u1eddi c\u00f3 h\u00e0nh tinh l\u1edbn th\u1ee9 10 hay kh\u00f4ng, ng\u00e0y nay ch\u01b0a ai c\u00f3 th\u1ec3 kh\u1eb3ng \u0111\u1ecbnh \u0111\u01b0\u1ee3c\u2217<\/p>\n\n\n\n
T\u1eeb kho\u00e1: H\u00e0nh tinh ngo\u00e0i; Di\u00eam V\u01b0\u01a1ng Tinh; H\u00e0nh tinh; Th\u1ee7y n\u1ed9i.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Nh\u01b0 ta \u0111\u00e3 bi\u1ebft h\u1ec7 M\u1eb7t Tr\u1eddi c\u00f3 9 h\u00e0nh tinh l\u1edbn, nh\u01b0ng t\u1eeb l\u00e2u \u0111\u1ebfn nay c\u00e1c nh\u00e0 thi\u00ean v\u0103n \u0111\u1ec1u b\u1ecb m\u1ed9t c\u00e2u h\u1ecfi l\u00e0m tr\u0103n tr\u1edf, \u0111\u00f3 l\u00e0 qu\u1ef9 \u0111\u1ea1o chuy\u1ec3n \u0111\u1ed9ng th\u1ef1c c\u1ee7a Thi\u00ean V\u01b0\u01a1ng Tinh v\u00e0 H\u1ea3i V\u01b0\u01a1ng Tinh ch\u00eanh l\u1ec7ch so v\u1edbi v\u1ecb tr\u00ed qu\u1ef9 \u0111\u1ea1o t\u00ednh to\u00e1n theo […]<\/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-7054","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\/7054","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=7054"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7054\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=7054"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=7054"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=7054"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}