T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 1 – Arkady Leokum<\/p>\n\n\n\n
Nh\u01b0 ta bi\u1ebft kh\u00f4ng nh\u1ea5t thi\u1ebft h\u1ec7 m\u1eb7t tr\u1eddi ph\u1ea3i c\u00f3 c\u1ea5u tr\u00fac nh\u01b0 hi\u1ec7n nay. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo ki\u1ec3u kh\u00e1c l\u1eafm ch\u1ee9. Trong v\u0169 tr\u1ee5, c\u00f3 nhi\u1ec1u h\u1ec7 m\u1eb7t tr\u1eddi c\u00f3 s\u1ef1 s\u1eafp x\u1ebfp kh\u00e1c v\u1edbi h\u1ec7 m\u1eb7t tr\u1eddi \u201cc\u1ee7a ch\u00fang ta\u201d. S\u1ef1 s\u1eafp x\u1ebfp c\u1ee7a m\u1ed7i h\u1ec7 m\u1eb7t tr\u1eddi – ki\u1ec3u n\u00e0y, ki\u1ec3u kia – t\u00f9y thu\u1ed9c l\u00fac ban \u0111\u1ea7u.<\/p>\n\n\n\n
Lo\u00e0i ng\u01b0\u1eddi \u0111\u00e3 ph\u00e1t ki\u1ebfn ra v\u00e0i quy lu\u1eadt theo \u0111\u00f3 \u0111\u00e3 khi\u1ebfn cho h\u1ec7 m\u1eb7t tr\u1eddi \u201cc\u1ee7a ch\u00fang ta\u201d \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo ki\u1ec3u hi\u1ec7n nay. Tr\u00e1i \u0111\u1ea5t c\u0169ng nh\u01b0 nh\u1eefng h\u00e0nh tinh kh\u00e1c di chuy\u1ec3n theo qu\u1ef9 \u0111\u1ea1o quanh m\u1eb7t tr\u1eddi. Th\u1eddi gian c\u1ea7n thi\u1ebft \u0111\u1ec3 tr\u00e1i \u0111\u1ea5t quay \u0111\u1ee7 m\u1ed9t v\u00f2ng quanh m\u1eb7t tr\u1eddi l\u00e0 m\u1ed9t n\u0103m. Nh\u1eefng h\u00e0nh tinh kh\u00e1c trong h\u1ec7 m\u1eb7t tr\u1eddi c\u00f3 qu\u1ef9 \u0111\u1ea1o l\u1edbn h\u01a1n ho\u1eb7c nh\u1ecf h\u01a1n qu\u1ef9 \u0111\u1ea1o tr\u00e1i \u0111\u1ea5t. C\u00e1c nh\u00e0 thi\u00ean v\u0103n ch\u01b0a gi\u1ea3i th\u00edch m\u1ed9t c\u00e1ch th\u1ecfa \u0111\u00e1ng s\u1ef1 h\u00ecnh th\u00e0nh c\u1ee7a m\u1eb7t tr\u1eddi c\u0169ng nh\u01b0 b\u1eb1ng c\u00e1ch n\u00e0o c\u00e1c h\u00e0nh tinh l\u1ea1i c\u00f3 t\u1ea7m c\u1ee1 \u0111\u00f3, \u1edf v\u1ecb tr\u00ed \u0111\u00f3, theo qu\u1ef9 \u0111\u1ea1o \u0111\u00f3. C\u00e1c nh\u00e0 b\u00e1c h\u1ecdc \u0111\u00e3 \u0111\u01b0a ra nhi\u1ec1u gi\u1ea3 thuy\u1ebft nh\u1eb1m gi\u1ea3i th\u00edch c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng \u0111\u00f3. Tuy nhi\u00ean, c\u00f3 th\u1ec3 quy c\u00e1c gi\u1ea3 thuy\u1ebft \u0111\u00f3 th\u00e0nh hai nh\u00f3m.<\/p>\n\n\n\n
Nh\u00f3m gi\u1ea3 thuy\u1ebft th\u1ee9 nh\u1ea5t cho r\u1eb1ng c\u00e1c h\u00e0nh tinh l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a s\u1ef1 thay \u0111\u1ed5i l\u1ea7n l\u1ea7n c\u1ee7a m\u1eb7t tr\u1eddi t\u1eeb m\u1ed9t kh\u1ed1i h\u01a1i n\u00f3ng t\u1ef1 xoay quanh m\u00ecnh m\u00e0 c\u00f3 c\u00f3 t\u1ea7m v\u00f3c v\u00e0 \u0111\u1ed9 s\u00e1ng nh\u01b0 hi\u1ec7n nay.<\/p>\n\n\n\n
Nh\u00f3m gi\u1ea3 thuy\u1ebft th\u1ee9 hai cho r\u1eb1ng v\u00e0o th\u1eddi r\u1ea5t xa x\u01b0a, c\u00f3 m\u1ed9t ng\u00f4i sao n\u00e0o \u0111\u00f3 t\u00ecnh c\u1edd bay s\u1edbt ngang m\u1eb7t tr\u1eddi, l\u00e0m cho v\u00e0i m\u1ea3nh m\u1eb7t tr\u1eddi b\u1eafn v\u0103ng ra, sau \u0111\u00f3 c\u00e1c m\u1ea3nh n\u00e0y ti\u1ebfp t\u1ee5c chuy\u1ec3n \u0111\u1ed9ng xoay quanh m\u1eb7t tr\u1eddi, r\u1ed3i t\u1eeb t\u1eeb ngu\u1ed9i \u0111i v\u00e0 th\u00e0nh c\u00e1c h\u00e0nh tinh.<\/p>\n\n\n\n
B\u1ea5t k\u1ec3 nh\u00f3m gi\u1ea3 thi\u1ebft n\u00e0o \u0111\u00fang th\u00ec c\u0169ng c\u00f3 th\u1ec3 n\u00f3i h\u1ec7 m\u1eb7t tr\u1eddi \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp nh\u01b0 hi\u1ec7n nay c\u0169ng l\u00e0 do \u00edt nhi\u1ec1u may m\u1eafn. T\u1ea1i sao h\u1ec7 m\u1eb7t tr\u1eddi l\u1ea1i \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp nh\u01b0 v\u1eady? \u0111\u1ecbnh lu\u1eadt Kepler v\u1ec1 s\u1ef1 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a h\u00e0nh tinh ph\u00e1t bi\u1ec3u r\u1eb1ng: \u201cqu\u1ef9 \u0111\u1ea1o c\u1ee7a m\u1ed7i h\u00e0nh tinh l\u00e0 m\u1ed9t h\u00ecnh b\u1ea7u d\u1ee5c m\u00e0 m\u1eb7t tr\u1eddi l\u00e0 m\u1ed9t ti\u00eau \u0111i\u1ec3m\u201d v\u00e0 r\u1eb1ng \u201ch\u00e0nh tinh chuy\u1ec3n \u0111\u1ed9ng nhanh h\u01a1n khi n\u00f3 \u1edf g\u1ea7n m\u1eb7t tr\u1eddi v\u00e0 ch\u1eadm h\u01a1n khi n\u00f3 \u1edf xa\u201d. Ngh\u0129a l\u00e0 c\u00f3 t\u01b0\u01a1ng quan t\u1ef7 l\u1ec7 gi\u1eefa kho\u1ea3ng c\u00e1ch v\u00e0 th\u1eddi gian gi\u1eefa v\u1ecb tr\u00ed c\u1ee7a m\u1eb7t tr\u1eddi v\u00e0 c\u1ee7a h\u00e0nh tinh. \u0111\u1ecbnh lu\u1eadt Newton v\u1ec1 v\u1ea1n v\u1eadt h\u1ea5p d\u1eabn gi\u1ea3i th\u00edch hai v\u1eadt h\u1ea5p d\u1eabn nhau nh\u01b0 th\u1ebf n\u00e0o.<\/p>\n\n\n\n
V\u1edbi c\u00e1c \u0111\u1ecbnh lu\u1eadt n\u00eau tr\u00ean, ta c\u00f3 th\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c t\u1ea1i sao h\u1ec7 m\u1eb7t tr\u1eddi l\u1ea1i \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp nh\u01b0 v\u1eady.<\/p>\n","protected":false},"excerpt":{"rendered":"
T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 1 – Arkady Leokum Nh\u01b0 ta bi\u1ebft kh\u00f4ng nh\u1ea5t thi\u1ebft h\u1ec7 m\u1eb7t tr\u1eddi ph\u1ea3i c\u00f3 c\u1ea5u tr\u00fac nh\u01b0 hi\u1ec7n nay. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo ki\u1ec3u kh\u00e1c l\u1eafm ch\u1ee9. Trong v\u0169 tr\u1ee5, c\u00f3 nhi\u1ec1u h\u1ec7 m\u1eb7t tr\u1eddi c\u00f3 s\u1ef1 s\u1eafp x\u1ebfp […]<\/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],"tags":[],"class_list":["post-13474","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/13474","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=13474"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/13474\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=13474"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=13474"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=13474"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}