T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 8 – Arkady Leokum<\/p>\n\n\n\n
Sao Kim \u1edf v\u00e0o gi\u1eefa qu\u1ef9 \u0111\u1ea1o sao Th\u1ee7y v\u00e0 qu\u1ef9 \u0111\u1ea1o tr\u00e1i \u0111\u1ea5t. N\u00f3 c\u00f3 r\u1ea5t nhi\u1ec1u m\u1eb7t g\u1ea7n g\u0169i v\u1edbi tr\u00e1i \u0111\u1ea5t. Th\u00ed d\u1ee5, b\u00e1n k\u00ednh b\u00ecnh qu\u00e2n c\u1ee7a x\u00edch \u0111\u1ea1o tr\u00e1i \u0111\u1ea5t l\u00e0 6.378 kil\u00f4m\u00e9t, b\u00e1n k\u00ednh b\u00ecnh qu\u00e2n c\u1ee7a x\u00edch \u0111\u1ea1o sao Kim l\u00e0 6.052 kil\u00f4m\u00e9t. T\u1ef7 l\u1ec7 kh\u1ed1i l\u01b0\u1ee3ng tr\u00e1i \u0111\u1ea5t v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng sao Kim l\u00e0 1:0,81. M\u1eadt \u0111\u1ed9 b\u00ecnh qu\u00e2n c\u1ee7a sao Kim b\u1eb1ng 95% m\u1eadt \u0111\u1ed9 b\u00ecnh qu\u00e2n \u1edf tr\u00e1i \u0111\u1ea5t. Tr\u00e1i \u0111\u1ea5t c\u00f3 l\u1edbp kh\u00ed quy\u1ec3n d\u00e0y \u0111\u1eb7c, sao Kim c\u0169ng c\u00f3 l\u1edbp kh\u00ed quy\u1ec3n t\u01b0\u01a1ng \u0111\u1ed1i d\u00e0y. Do v\u1eady, c\u00f3 ng\u01b0\u1eddi g\u1ecdi sao Kim v\u00e0 tr\u00e1i \u0111\u1ea5t l\u00e0 hai ch\u1ecb em sinh \u0111\u00f4i. Nh\u01b0ng sao Kim c\u0169ng c\u00f3 r\u1ea5t nhi\u1ec1u \u0111i\u1ec1u kh\u00e1c v\u1edbi tr\u00e1i \u0111\u1ea5t, th\u1eadm ch\u00ed c\u00f3 c\u00e1 t\u00ednh kh\u00e1c xa c\u00e1c h\u00e0nh tinh kh\u00e1c. Th\u00ed d\u1ee5, trong th\u00e0nh ph\u1ea7n c\u1ee7a l\u1edbp kh\u00ed quy\u1ec3n sao Kim, carbonic chi\u1ebfm tr\u00ean 97%. Trong kh\u00ed quy\u1ec3n sao Kim c\u00f3 m\u1ed9t l\u1edbp m\u00e2y d\u00e0y \u0111\u1ebfn 25 kil\u00f4m\u00e9t. M\u00e2y \u0111\u1eb7c do s\u01b0\u01a1ng acid sulfuric \u0111\u1eadm \u0111\u1eb7c t\u1ea1o th\u00e0nh. Carbonic trong kh\u00ed quy\u1ec3n sao Kim t\u1ea1o ra hi\u1ec7u \u1ee9ng bu\u1ed3ng nhi\u1ec7t r\u1ea5t m\u1ea1nh, c\u00f3 th\u1ec3 ti\u1ebfp nh\u1eadn nhi\u1ec7t l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi, c\u00f3 \u0111i\u1ec1u nhi\u1ec7t l\u01b0\u1ee3ng \u0111\u00f3 kh\u00f4ng t\u00e1i t\u1ea3n x\u1ea1 ra ngo\u00e0i, gi\u1ed1ng nh\u01b0 bu\u1ed3ng nhi\u1ec7t nh\u00e0 k\u00ednh m\u00f9a \u0111\u00f4ng v\u1eady, l\u00e0m cho nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t sao Kim su\u1ed1t n\u0103m \u0111\u1ec1u \u1edf 4800C. \u00c1p l\u1ef1c kh\u00ed quy\u1ec3n b\u1ec1 m\u1eb7t sao Kim g\u1ea5p kho\u1ea3ng 90 l\u1ea7n tr\u00e1i \u0111\u1ea5t. M\u00f4i tr\u01b0\u1eddng t\u1ef1 nhi\u00ean \u00e1c li\u1ec7t nh\u01b0 v\u1eady th\u1eadt kh\u00f4ng t\u01b0\u1edfng t\u01b0\u1ee3ng n\u1ed5i. B\u1ea1n c\u00f3 m\u1eb7c \u0111\u1ed3 phi h\u00e0nh gia v\u0169 tr\u1ee5 c\u0169ng kh\u00f4ng sao ch\u1ecbu \u0111\u1ef1ng n\u1ed5i. So v\u1edbi m\u00f4i tr\u01b0\u1eddng tr\u00ean m\u1eb7t tr\u0103ng, tr\u00ean sao Th\u1ee7y c\u0169ng kh\u00e1c.<\/p>\n\n\n\n
Sao Kim quay chung quanh m\u1eb7t tr\u1eddi m\u1ed9t v\u00f2ng kho\u1ea3ng 224,7 ng\u00e0y. T\u1ef1 quay quanh m\u00ecnh n\u00f3 m\u1ed9t v\u00f2ng kho\u1ea3ng 243 ng\u00e0y. C\u00e0ng \u0111\u1eb7c bi\u1ec7t h\u01a1n l\u00e0 sao Kim t\u1ef1 quay quanh tr\u1ee5c c\u1ee7a n\u00f3 theo h\u01b0\u1edbng t\u1eeb \u0111\u00f4ng sang t\u00e2y, n\u1ebfu nh\u01b0 ch\u00fang ta \u0111\u1ee9ng tr\u00ean sao Kim th\u00ec th\u1ea5y m\u1eb7t tr\u1eddi m\u1ecdc \u1edf \u0111\u1eb1ng t\u00e2y v\u00e0 l\u1eb7n \u1edf \u0111\u1eb1ng \u0111\u00f4ng. \u0110i\u1ec3m n\u00e0y kh\u00e1c ho\u00e0n to\u00e0n c\u00e1c h\u00e0nh tinh l\u1edbn kh\u00e1c. Nh\u01b0 v\u1eady ng\u00e0y v\u00e0 \u0111\u00eam tr\u00ean sao Kim thay \u0111\u1ed5i r\u1ea5t ph\u1ee9c t\u1ea1p. Ban ng\u00e0y v\u00e0 ban \u0111\u00eam tr\u00ean sao Kim m\u1ed7i ng\u00e0y t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 59 ng\u00e0y tr\u00ean tr\u00e1i \u0111\u1ea5t. T\u1ea1i sao sao Kim kh\u00e1c nh\u01b0 v\u1eady so v\u1edbi c\u00e1c h\u00e0nh tinh l\u1edbn kh\u00e1c? \u0110\u00f3 v\u1eabn l\u00e0 m\u1ed9t b\u00ed m\u1eadt c\u1ee7a gia \u0111\u00ecnh m\u1eb7t tr\u1eddi.<\/p>\n\n\n\n
B\u1ec1 m\u1eb7t sao Kim b\u1eb1ng ph\u1eb3ng h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi m\u1eb7t tr\u0103ng v\u00e0 sao Th\u1ee7y, n\u1ebfu so s\u00e1nh th\u00ec k\u1ebft c\u1ea5u b\u1ec1 m\u1eb7t t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u01a1n gi\u1ea3n. C\u00e1c lo\u1ea1i thi\u1ebft b\u1ecb th\u0103m d\u00f2 \u0111o \u0111\u1ea1c \u0111\u00e3 th\u0103m d\u00f2 \u0111o \u0111\u1ea1c sao Kim kh\u00e1 nhi\u1ec1u, \u0111\u00e3 v\u1ebd \u0111\u01b0\u1ee3c b\u1ea3n \u0111\u1ed3 b\u1ec1 m\u1eb7t sao Kim. Di\u1ec7n t\u00edch b\u00ecnh nguy\u00ean \u0111\u1ecba th\u1ebf th\u1ea5p nh\u00f4 kh\u00f4ng \u0111\u00e1ng k\u1ec3 chi\u1ebfm 65% di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t sao Kim, ph\u1ea7n \u0111\u1ea5t cao chi\u1ebfm 8%. Ch\u1ee7 y\u1ebfu c\u00f3 hai khu cao nguy\u00ean l\u00e0 Avoloptoc v\u00e0 cao nguy\u00ean Istai. Ch\u00fang l\u1edbn nh\u01b0 m\u1ed9t \u0111\u1ea1i ch\u00e2u tr\u00ean tr\u00e1i \u0111\u1ea5t. \u1ede khu v\u1ef1c x\u00edch \u0111\u1ea1o sao Kim ph\u00e1t hi\u1ec7n th\u1ea5y thung n\u1ee9t l\u1edbn. Tr\u00ean sao Kim c\u0169ng kh\u00f4ng c\u00f3 n\u01b0\u1edbc, v\u00ec th\u1ebf c\u0169ng kh\u00f4ng th\u1ec3 c\u00f3 b\u1ea5t c\u1ee9 sinh v\u1eadt g\u00ec nh\u01b0 tr\u00ean tr\u00e1i \u0111\u1ea5t.<\/p>\n\n\n\n
Kh\u00ed quy\u1ec3n m\u1eadt \u0111\u1ed9 d\u00e0y \u0111\u1eb7c c\u1ee7a sao Kim bao b\u1ecdc c\u1ea3 b\u1ec1 m\u1eb7t, gi\u1ed1ng nh\u01b0 d\u1ea3i l\u1ee5a b\u1ec1 m\u1eb7t c\u1ee7a sao Kim, l\u00e0m cho ch\u00fang ta kh\u00f4ng th\u1ec3 th\u1ea5y \u0111\u01b0\u1ee3c b\u1ec1 m\u1eb7t c\u1ee7a n\u00f3 t\u1eeb tr\u00e1i \u0111\u1ea5t. Th\u1ebf nh\u01b0ng, \u0111\u1ed1i v\u1edbi sao Kim, ng\u01b0\u1eddi ta \u0111\u00e3 ph\u00f3ng l\u00ean r\u1ea5t nhi\u1ec1u thi\u1ebft b\u1ecb th\u0103m d\u00f2 \u0111o \u0111\u1ea1c v\u1edbi m\u1ee5c \u0111\u00edch kh\u00e1m ph\u00e1 m\u00e0n che bao quanh b\u1ec1 m\u1eb7t n\u00f3.<\/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 8 – Arkady Leokum Sao Kim \u1edf v\u00e0o gi\u1eefa qu\u1ef9 \u0111\u1ea1o sao Th\u1ee7y v\u00e0 qu\u1ef9 \u0111\u1ea1o tr\u00e1i \u0111\u1ea5t. N\u00f3 c\u00f3 r\u1ea5t nhi\u1ec1u m\u1eb7t g\u1ea7n g\u0169i v\u1edbi tr\u00e1i \u0111\u1ea5t. Th\u00ed d\u1ee5, b\u00e1n k\u00ednh b\u00ecnh qu\u00e2n c\u1ee7a x\u00edch \u0111\u1ea1o tr\u00e1i \u0111\u1ea5t l\u00e0 6.378 kil\u00f4m\u00e9t, b\u00e1n […]<\/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-15350","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\/15350","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=15350"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15350\/revisions"}],"predecessor-version":[{"id":15351,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15350\/revisions\/15351"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=15350"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=15350"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=15350"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}