T\u1eeb Tr\u00e1i \u0110\u1ea5t nh\u00ecn l\u00ean ch\u1ec9 th\u1ea5y m\u1ed9t m\u1eb7t c\u1ee7a M\u1eb7t Tr\u0103ng c\u00f2n m\u1eb7t kia gi\u1ed1ng nh\u01b0 b\u1ecb e th\u1eb9n m\u00e0 lu\u00f4n d\u1ea5u \u0111i, ta kh\u00f4ng nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c. C\u00f9ng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n ng\u00e0y c\u00e0ng t\u1ed1t c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb thi\u00ean v\u0103n, ng\u01b0\u1eddi ta \u0111\u00e3 hi\u1ec3u \u0111\u01b0\u1ee3c t\u01b0\u01a1ng \u0111\u1ed1i r\u00f5 ph\u00eda M\u1eb7t Tr\u0103ng h\u01b0\u1edbng v\u1ec1 Tr\u00e1i \u0110\u1ea5t, nh\u01b0ng ph\u00eda d\u1ea5u m\u1eb7t kia th\u00ec c\u00f2n bi\u1ebft r\u1ea5t \u00edt.<\/p>\n\n\n\n
Ng\u00e0y nay ng\u01b0\u1eddi ta d\u00f9ng nh\u1eefng thi\u1ebft b\u1ecb v\u0169 tr\u1ee5 mang ng\u01b0\u1eddi ng\u01b0\u1eddi v\u00e0 kh\u00f4ng mang ng\u01b0\u1eddi bay \u0111\u1ebfn ph\u00eda sau M\u1eb7t Tr\u0103ng \u0111\u1ec3 ch\u1ee5p \u1ea3nh, d\u00f9ng s\u00f3ng v\u00f4 tuy\u1ebfn truy\u1ec1n v\u1ec1 ho\u1eb7c tr\u1ef1c ti\u1ebfp mang \u1ea3nh v\u1ec1 Tr\u00e1i \u0110\u1ea5t, nh\u01b0 th\u1ebf m\u1edbi bi\u1ebft \u0111\u01b0\u1ee3c n\u00f3 nh\u01b0 th\u1ebf n\u00e0o. Ng\u01b0\u1ee3c l\u1ea1i v\u1edbi m\u1eb7t ch\u00ednh, \u0111\u1ecba h\u00ecnh sau c\u1ee7a M\u1eb7t Tr\u0103ng l\u1ed3i l\u00f5m kh\u00f4ng b\u1eb1ng ph\u1eb3ng, nh\u1ea5p nh\u00f4 r\u1ea5t r\u00f5. M\u1eb7t b\u1eb1ng ch\u1ec9 chi\u1ebfm di\u1ec7n t\u00edch r\u1ea5t \u00edt, c\u00f2n ph\u1ea7n l\u1edbn l\u00e0 c\u00e1c d\u00e3y n\u00fai v\u00f2ng tr\u00f2n.<\/p>\n\n\n\n
M\u1eb7t Tr\u0103ng v\u00ec sao l\u1ea1i m\u00e3i m\u00e3i ch\u1ec9 c\u00f3 m\u1ed9t m\u1eb7t h\u01b0\u1edbng v\u1ec1 Tr\u00e1i \u0110\u1ea5t, c\u00f2n m\u1eb7t kia kh\u00f4ng quay l\u1ea1i?<\/p>\n\n\n\n
\u0110\u00f3 l\u00e0 v\u00ec M\u1eb7t Tr\u0103ng m\u1ed9t m\u1eb7t quay quanh Tr\u00e1i<\/p>\n\n\n\n
\u0110\u1ea5t, m\u1ed9t m\u1eb7t n\u00f3 t\u1ef1 quay. H\u01a1n n\u1eefa th\u1eddi gian n\u00f3 t\u1ef1 quay m\u1ed9t v\u00f2ng v\u1eeba b\u1eb1ng v\u1edbi th\u1eddi gian n\u00f3 quay quanh Tr\u00e1i \u0110\u1ea5t m\u1ed9t v\u00f2ng \u0111\u1ec1u l\u00e0 27,3 ng\u00e0y. Cho n\u00ean khi M\u1eb7t Tr\u0103ng quay quanh Tr\u00e1i \u0110\u1ea5t \u0111\u01b0\u1ee3c m\u1ed9t g\u00f3c th\u00ec n\u00f3 c\u0169ng v\u1eeba \u0111\u00fang quay quanh m\u00ecnh m\u1ed9t g\u00f3c nh\u01b0 th\u1ebf.<\/p>\n\n\n\n
N\u1ebfu M\u1eb7t Tr\u0103ng quay quanh Tr\u00e1i \u0110\u1ea5t \u0111\u01b0\u1ee3c 3600 th\u00ec c\u0169ng v\u1eeba \u0111\u00fang n\u00f3 t\u1ef1 quay m\u1ed9t v\u00f2ng, cho n\u00ean n\u00f3 ch\u1ec9 c\u00f3 m\u1ed9t m\u1eb7t h\u01b0\u1edbng v\u1ec1 Tr\u00e1i \u0110\u1ea5t c\u00f2n m\u1eb7t kia lu\u00f4n lu\u00f4n ng\u01b0\u1ee3c l\u1ea1i v\u1edbi Tr\u00e1i \u0110\u1ea5t.<\/p>\n\n\n\n
B\u1edfi v\u00ec M\u1eb7t Tr\u0103ng chuy\u1ec3n \u0111\u1ed9ng quanh Tr\u00e1i \u0110\u1ea5t theo qu\u1ef9 \u0111\u1ea1o h\u00ecnh el\u00edp, t\u1ed1c \u0111\u1ed9 quay kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u nh\u01b0 t\u1ed1c \u0111\u1ed9 t\u1ef1 quay. Tr\u1ee5c t\u1ef1 quay c\u1ee7a n\u00f3 l\u1ea1i kh\u00f4ng vu\u00f4ng g\u00f3c v\u1edbi m\u1eb7t ph\u1eb3ng ch\u1ee9a qu\u1ef9 \u0111\u1ea1o quay quanh Tr\u00e1i \u0110\u1ea5t, do \u0111\u00f3 ch\u00fang ta ch\u1ec9 c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y m\u1ed9t ph\u1ea7n c\u1ee7a M\u1eb7t Tr\u0103ng. Nh\u01b0 v\u1eady t\u00ednh ra ta ch\u1ec9 c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y ph\u1ea7n M\u1eb7t Tr\u0103ng s\u00e1ng chi\u1ebfm kho\u1ea3ng 59% di\u1ec7n t\u00edch c\u1ee7a b\u1ec1 m\u1eb7t M\u1eb7t Tr\u0103ng.<\/p>\n\n\n\n
Ch\u00ednh x\u00e1c ra th\u00ec chu k\u1ef3 t\u1ef1 quay c\u1ee7a M\u1eb7t Tr\u0103ng v\u00e0 chu k\u1ef3 M\u1eb7t Tr\u0103ng quay quanh Tr\u00e1i \u0110\u1ea5t kh\u00f4ng ph\u1ea3i lu\u00f4n lu\u00f4n nh\u01b0 nhau. M\u1ea5y t\u1ef7 n\u0103m tr\u01b0\u1edbc t\u1ed1c \u0111\u1ed9 t\u1ef1 quay c\u1ee7a M\u1eb7t Tr\u0103ng nhanh h\u01a1n ng\u00e0y nay r\u1ea5t nhi\u1ec1u. V\u00ec l\u1ef1c h\u00fat c\u1ee7a Tr\u00e1i \u0110\u1ea5t m\u1ea1nh khi\u1ebfn cho t\u1ed1c \u0111\u1ed9 t\u1ef1 quay c\u1ee7a M\u1eb7t Tr\u0103ng gi\u1ea3m d\u1ea7n, \u0111\u1ebfn nay v\u1eeba \u0111\u00fang b\u1eb1ng v\u1edbi chu k\u1ef3 quay quanh Tr\u00e1i \u0110\u1ea5t c\u1ee7a n\u00f3.<\/p>\n\n\n\n
Trong t\u01b0\u01a1ng lai M\u1eb7t Tr\u0103ng s\u1ebd d\u1ea7n d\u1ea7n c\u00e1ch xa Tr\u00e1i \u0110\u1ea5t, cho n\u00ean chu k\u1ef3 M\u1eb7t Tr\u0103ng quay quanh Tr\u00e1i \u0110\u1ea5t s\u1ebd d\u00e0i ra, c\u00f2n chu k\u1ef3 t\u1ef1 quay c\u1ee7a Tr\u00e1i \u0110\u1ea5t c\u0169ng s\u1ebd d\u00e0i ra. \u01af\u1edbc kho\u1ea3ng 5 t\u1ef7 n\u0103m n\u1eefa, m\u1ed9t l\u00fac n\u00e0o \u0111\u00f3 m\u1ed9t ng\u00e0y tr\u00ean Tr\u00e1i \u0110\u1ea5t s\u1ebd b\u1eb1ng v\u1edbi th\u1eddi gian m\u1ed9t v\u00f2ng M\u1eb7t Tr\u0103ng quay quanh Tr\u00e1i \u0110\u1ea5t, t\u1ee9c l\u00e0 m\u1ed9t ng\u00e0y b\u1eb1ng v\u1edbi m\u1ed9t th\u00e1ng, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 43 ng\u00e0y hi\u1ec7n nay. L\u00fac \u0111\u00f3 m\u1ed9t m\u1eb7t c\u1ee7a Tr\u00e1i \u0110\u1ea5t l\u1ea1i h\u01b0\u1edbng v\u1ec1 M\u1eb7t Tr\u0103ng ch\u1ee9 kh\u00f4ng c\u00f2n l\u00e0 m\u1ed9t m\u1eb7t c\u1ee7a M\u1eb7t Tr\u0103ng h\u01b0\u1edbng v\u1ec1 Tr\u00e1i \u0110\u1ea5t . Nh\u1eefng ng\u01b0\u1eddi s\u1ed1ng \u1edf ph\u00eda sau c\u1ee7a Tr\u00e1i \u0110\u1ea5t kh\u00f4ng h\u01b0\u1edbng v\u1ec1 M\u1eb7t Tr\u0103ng ph\u1ea3i \u0111i m\u1ed9t cu\u1ed9c du l\u1ecbch r\u1ea5t d\u00e0i m\u1edbi c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y b\u1ec1 m\u1eb7t b\u00ean kia c\u1ee7a M\u1eb7t Tr\u0103ng.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: M\u1eb7t Tr\u0103ng; M\u1eb7t Tr\u0103ng quay quanh Tr\u00e1i \u0110\u1ea5t; M\u1eb7t Tr\u0103ng t\u1ef1 quay.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
T\u1eeb Tr\u00e1i \u0110\u1ea5t nh\u00ecn l\u00ean ch\u1ec9 th\u1ea5y m\u1ed9t m\u1eb7t c\u1ee7a M\u1eb7t Tr\u0103ng c\u00f2n m\u1eb7t kia gi\u1ed1ng nh\u01b0 b\u1ecb e th\u1eb9n m\u00e0 lu\u00f4n d\u1ea5u \u0111i, ta kh\u00f4ng nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c. C\u00f9ng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n ng\u00e0y c\u00e0ng t\u1ed1t c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb thi\u00ean v\u0103n, ng\u01b0\u1eddi ta \u0111\u00e3 hi\u1ec3u \u0111\u01b0\u1ee3c t\u01b0\u01a1ng \u0111\u1ed1i r\u00f5 ph\u00eda M\u1eb7t Tr\u0103ng h\u01b0\u1edbng […]<\/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-6914","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\/6914","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=6914"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/6914\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=6914"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=6914"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=6914"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}