{"id":4187,"date":"2023-10-28T13:20:56","date_gmt":"2023-10-28T13:20:56","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=4187"},"modified":"2023-10-28T13:20:56","modified_gmt":"2023-10-28T13:20:56","slug":"pluto-a-strange-and-surprising-dwarf-planet","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/astronomy-and-space\/pluto-a-strange-and-surprising-dwarf-planet\/","title":{"rendered":"Sao Di\u00eam V\u01b0\u01a1ng: H\u00e0nh tinh l\u00f9n k\u1ef3 l\u1ea1 v\u00e0 \u0111\u00e1ng kinh ng\u1ea1c"},"content":{"rendered":"

Sao Di\u00eam V\u01b0\u01a1ng: H\u00e0nh tinh l\u00f9n k\u1ef3 l\u1ea1 v\u00e0 \u0111\u00e1ng kinh ng\u1ea1c<\/h2>\n\n

\u0110\u1ecba ch\u1ea5t: M\u1ed9t c\u1ea3nh quan \u0111a d\u1ea1ng<\/h2>\n\n

M\u1eb7c d\u00f9 c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf, Sao Di\u00eam V\u01b0\u01a1ng t\u1ef1 h\u00e0o c\u00f3 m\u1ed9t c\u1ea3nh quan \u0111\u1ecba ch\u1ea5t \u0111a d\u1ea1ng. B\u1ec1 m\u1eb7t c\u1ee7a n\u00f3 c\u00f3 r\u1ea5t nhi\u1ec1u mi\u1ec7ng n\u00fai l\u1eeda, h\u1ebbm n\u00fai, thung l\u0169ng v\u00e0 c\u00e1c l\u1edbp b\u0103ng n\u01b0\u1edbc, c\u0169ng nh\u01b0 b\u0103ng nit\u01a1 d\u1ec5 bay h\u01a1i, m\u00eatan v\u00e0 carbon monoxide.<\/p>\n\n

B\u1ec1 m\u1eb7t thay \u0111\u1ed5i<\/h2>\n\n

B\u1ec1 m\u1eb7t c\u1ee7a Sao Di\u00eam V\u01b0\u01a1ng li\u00ean t\u1ee5c thay \u0111\u1ed5i do s\u1ef1 chuy\u1ec3n \u0111\u1ed5i d\u1ec5 d\u00e0ng gi\u1eefa tr\u1ea1ng th\u00e1i l\u1ecfng v\u00e0 \u0111\u00f4ng l\u1ea1nh c\u1ee7a nit\u01a1, m\u00eatan v\u00e0 carbon monoxide. B\u1ec1 m\u1eb7t n\u0103ng \u0111\u1ed9ng n\u00e0y c\u00f3 th\u1ec3 \u1ea9n ch\u1ee9a c\u00e1c d\u1ea1ng \u0111\u1ecba h\u00ecnh si\u00eau th\u1ef1c, ch\u1eb3ng h\u1ea1n nh\u01b0 n\u00fai l\u1eeda b\u0103ng v\u00e0 c\u00e1c ng\u1ecdn n\u00fai b\u0103ng tr\u00f4i n\u1ed5i.<\/p>\n\n

B\u1ea7u kh\u00ed quy\u1ec3n: \u1ed4n \u0111\u1ecbnh h\u01a1n d\u1ef1 ki\u1ebfn<\/h2>\n\n

D\u1eef li\u1ec7u t\u1eeb t\u00e0u th\u0103m d\u00f2 New Horizons cho th\u1ea5y b\u1ea7u kh\u00ed quy\u1ec3n c\u1ee7a Sao Di\u00eam V\u01b0\u01a1ng d\u00e0y h\u01a1n v\u00e0 \u1ed5n \u0111\u1ecbnh h\u01a1n so v\u1edbi suy ngh\u0129 tr\u01b0\u1edbc \u0111\u00e2y. Ban \u0111\u1ea7u, c\u00e1c nh\u00e0 khoa h\u1ecdc tin r\u1eb1ng h\u00e0nh tinh l\u00f9n n\u00e0y \u0111ang m\u1ea5t nit\u01a1 nhanh ch\u00f3ng, nh\u01b0ng c\u00e1c ph\u00e2n t\u00edch s\u00e2u h\u01a1n cho th\u1ea5y \u0111\u00e2y l\u00e0 m\u1ed9t sai l\u1ea7m. B\u00e2y gi\u1edd \u01b0\u1edbc t\u00ednh r\u1eb1ng b\u1ea7u kh\u00ed quy\u1ec3n c\u1ee7a Sao Di\u00eam V\u01b0\u01a1ng m\u1ea5t nit\u01a1 v\u1edbi t\u1ed1c \u0111\u1ed9 ch\u1eadm h\u01a1n nhi\u1ec1u do c\u00e1c l\u1edbp ngo\u00e0i l\u1ea1nh c\u1ee7a n\u00f3.<\/p>\n\n

C\u00e1c l\u1edbp kh\u00ed quy\u1ec3n ri\u00eang bi\u1ec7t<\/h2>\n\n

B\u1ea7u kh\u00ed quy\u1ec3n c\u1ee7a Sao Di\u00eam V\u01b0\u01a1ng m\u1edf r\u1ed9ng kho\u1ea3ng 932 d\u1eb7m so v\u1edbi b\u1ec1 m\u1eb7t c\u1ee7a n\u00f3 v\u00e0 ch\u1ee7 y\u1ebfu bao g\u1ed3m nit\u01a1 v\u00e0 m\u00eatan. Tuy nhi\u00ean, n\u00f3 c\u0169ng ch\u1ee9a c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 nh\u01b0 acetylene, ethylene v\u00e0 ethane, t\u01b0\u01a1ng t\u00e1c v\u1edbi methane \u0111\u1ec3 t\u1ea1o th\u00e0nh c\u00e1c h\u1ea1t tholin m\u00e0u \u0111\u1ecf. C\u00e1c h\u1ea1t n\u00e0y t\u1ea1o ra s\u01b0\u01a1ng m\u00f9 v\u00e0 t\u1ef1 s\u1eafp x\u1ebfp th\u00e0nh c\u00e1c l\u1edbp ph\u00e2n t\u1ea7ng c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y trong h\u00ecnh \u1ea3nh c\u1ee7a t\u00e0u th\u0103m d\u00f2 New Horizons.<\/p>\n\n

C\u00e1c v\u1ec7 tinh quay nhanh<\/h2>\n\n

Sao Di\u00eam V\u01b0\u01a1ng c\u00f3 b\u1ed1n v\u1ec7 tinh nh\u1ecf h\u01a1n c\u00f3 h\u00e0nh vi k\u1ef3 l\u1ea1. \u0110\u01b0\u1ee3c h\u00ecnh th\u00e0nh b\u1edfi m\u1ed9t v\u1ee5 va ch\u1ea1m th\u1eddi c\u1ed5 \u0111\u1ea1i, nh\u1eefng v\u1ec7 tinh n\u00e0y \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb b\u0103ng \u0111\u01b0\u1ee3c cho l\u00e0 c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb b\u1ec1 m\u1eb7t ngo\u00e0i c\u1ee7a Sao Di\u00eam V\u01b0\u01a1ng. Ch\u00fang quay nhanh v\u00e0 \u1edf c\u00e1c g\u00f3c l\u1ec7ch khi ch\u00fang quay quanh h\u00e0nh tinh l\u00f9n, m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng v\u1eabn khi\u1ebfn c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u b\u1ed1i r\u1ed1i.<\/p>\n\n

Nh\u1eefng kh\u00e1m ph\u00e1 li\u00ean t\u1ee5c<\/h2>\n\n

Khi t\u00e0u th\u0103m d\u00f2 New Horizons ti\u1ebfp t\u1ee5c truy\u1ec1n d\u1eef li\u1ec7u, c\u00e1c nh\u00e0 khoa h\u1ecdc hy v\u1ecdng s\u1ebd kh\u00e1m ph\u00e1 ra nhi\u1ec1u chi ti\u1ebft h\u1ea5p d\u1eabn h\u01a1n v\u1ec1 Sao Di\u00eam V\u01b0\u01a1ng. \u0110\u1ecba ch\u1ea5t \u0111a d\u1ea1ng, b\u1ec1 m\u1eb7t n\u0103ng \u0111\u1ed9ng, b\u1ea7u kh\u00ed quy\u1ec3n \u1ed5n \u0111\u1ecbnh v\u00e0 c\u00e1c v\u1ec7 tinh d\u1ecb th\u01b0\u1eddng c\u1ee7a n\u00f3 khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng v\u1eadt th\u1ec3 h\u1ea5p d\u1eabn v\u00e0 b\u00ed \u1ea9n nh\u1ea5t trong h\u1ec7 m\u1eb7t tr\u1eddi c\u1ee7a ch\u00fang ta.<\/p>\n\n

B\u1ea3n ch\u1ea5t n\u0103ng \u0111\u1ed9ng c\u1ee7a Sao Di\u00eam V\u01b0\u01a1ng<\/h2>\n\n

B\u1ec1 m\u1eb7t c\u1ee7a Sao Di\u00eam V\u01b0\u01a1ng lu\u00f4n thay \u0111\u1ed5i, v\u1edbi b\u0103ng d\u1ec5 bay h\u01a1i chuy\u1ec3n \u0111\u1ed5i gi\u1eefa tr\u1ea1ng th\u00e1i l\u1ecfng v\u00e0 \u0111\u00f4ng l\u1ea1nh. B\u1ea3n ch\u1ea5t n\u0103ng \u0111\u1ed9ng n\u00e0y c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c d\u1ea1ng \u0111\u1ecba h\u00ecnh si\u00eau th\u1ef1c, bao g\u1ed3m c\u1ea3 n\u00fai l\u1eeda b\u0103ng phun ra v\u1eadt ch\u1ea5t \u0111\u00f4ng l\u1ea1nh v\u00e0 nh\u1eefng ng\u1ecdn n\u00fai b\u0103ng cao ch\u00f3t v\u00f3t tr\u00f4i n\u1ed5i nh\u01b0 nh\u1eefng t\u1ea3ng b\u0103ng tr\u00f4i tr\u00ean \u0111\u1ea1i d\u01b0\u01a1ng \u0111\u00f3ng b\u0103ng.<\/p>\n\n

S\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 ph\u1ee9c t\u1ea1p c\u1ee7a kh\u00ed quy\u1ec3n<\/h2>\n\n

B\u1ea7u kh\u00ed quy\u1ec3n c\u1ee7a Sao Di\u00eam V\u01b0\u01a1ng, t\u1eebng \u0111\u01b0\u1ee3c cho l\u00e0 r\u00f2 r\u1ec9 nit\u01a1 nhanh ch\u00f3ng, \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n l\u00e0 \u1ed5n \u0111\u1ecbnh h\u01a1n so v\u1edbi suy ngh\u0129 tr\u01b0\u1edbc \u0111\u00e2y. C\u00e1c l\u1edbp ngo\u00e0i l\u1ea1nh c\u1ee7a b\u1ea7u kh\u00ed quy\u1ec3n \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong s\u1ef1 \u1ed5n \u0111\u1ecbnh n\u00e0y. Ngo\u00e0i ra, b\u1ea7u kh\u00ed quy\u1ec3n c\u1ee7a Sao Di\u00eam V\u01b0\u01a1ng c\u00f3 c\u00e1c l\u1edbp ri\u00eang bi\u1ec7t, v\u1edbi c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 t\u1ea1o th\u00e0nh c\u00e1c h\u1ea1t s\u01b0\u01a1ng m\u00f9 m\u00e0u \u0111\u1ecf ph\u00e2n th\u00e0nh c\u00e1c l\u1edbp c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y.<\/p>\n\n

L\u00e0m s\u00e1ng t\u1ecf nh\u1eefng b\u00ed \u1ea9n c\u1ee7a c\u00e1c v\u1ec7 tinh<\/h2>\n\n

B\u1ed1n v\u1ec7 tinh nh\u1ecf h\u01a1n c\u1ee7a Sao Di\u00eam V\u01b0\u01a1ng, \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh b\u1edfi m\u1ed9t v\u1ee5 va ch\u1ea1m th\u1eddi c\u1ed5 \u0111\u1ea1i, l\u00e0 m\u1ed9t c\u00e2u \u0111\u1ed1 b\u00ed \u1ea9n. Ch\u00fang quay nhanh v\u00e0 \u1edf c\u00e1c g\u00f3c l\u1ec7ch, kh\u00f4ng gi\u1ed1ng nh\u01b0 b\u1ea5t k\u1ef3 v\u1ec7 tinh n\u00e0o kh\u00e1c \u0111\u01b0\u1ee3c quan s\u00e1t th\u1ea5y trong h\u1ec7 m\u1eb7t tr\u1eddi. C\u00e1c nh\u00e0 khoa h\u1ecdc v\u1eabn \u0111ang ti\u1ebfp t\u1ee5c nghi\u00ean c\u1ee9u th\u00e0nh ph\u1ea7n v\u00e0 \u0111\u1ed9ng l\u1ef1c c\u1ee7a nh\u1eefng v\u1ec7 tinh n\u00e0y \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n g\u00e2y ra h\u00e0nh vi b\u1ea5t th\u01b0\u1eddng c\u1ee7a ch\u00fang.<\/p>\n\n

V\u1ecb tr\u00ed c\u1ee7a Sao Di\u00eam V\u01b0\u01a1ng trong h\u1ec7 m\u1eb7t tr\u1eddi<\/h2>\n\n

C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m \u0111\u1ed9c \u0111\u00e1o c\u1ee7a Sao Di\u00eam V\u01b0\u01a1ng v\u00e0 nh\u1eefng kh\u00e1m ph\u00e1 li\u00ean t\u1ee5c \u0111ang th\u00e1ch th\u1ee9c s\u1ef1 hi\u1ec3u bi\u1ebft c\u1ee7a ch\u00fang ta v\u1ec1 c\u00e1c h\u00e0nh tinh l\u00f9n v\u00e0 v\u00f9ng ngo\u00e0i c\u00f9ng c\u1ee7a h\u1ec7 m\u1eb7t tr\u1eddi. \u0110\u1ecba ch\u1ea5t \u0111a d\u1ea1ng, b\u1ec1 m\u1eb7t n\u0103ng \u0111\u1ed9ng, b\u1ea7u kh\u00ed quy\u1ec3n \u1ed5n \u0111\u1ecbnh v\u00e0 c\u00e1c v\u1ec7 tinh b\u00ed \u1ea9n c\u1ee7a n\u00f3 khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng h\u1ea5p d\u1eabn cho c\u00e1c nghi\u00ean c\u1ee9u v\u00e0 kh\u00e1m ph\u00e1 s\u00e2u h\u01a1n.<\/p>","protected":false},"excerpt":{"rendered":"

Sao Di\u00eam V\u01b0\u01a1ng: H\u00e0nh tinh l\u00f9n k\u1ef3 l\u1ea1 v\u00e0 \u0111\u00e1ng kinh ng\u1ea1c \u0110\u1ecba ch\u1ea5t: M\u1ed9t c\u1ea3nh quan \u0111a d\u1ea1ng M\u1eb7c d\u00f9 c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf, Sao Di\u00eam V\u01b0\u01a1ng t\u1ef1 h\u00e0o…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2151],"tags":[207,5945,2572,7679,1306,7678,7680,1304],"class_list":["post-4187","post","type-post","status-publish","format-standard","hentry","category-astronomy-and-space","tag-geology","tag-dwarf-planet","tag-atmosphere","tag-tholin-haze","tag-ice-mountains","tag-ice-volcanoes","tag-rapidly-spinning-moons","tag-pluto"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/4187","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=4187"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/4187\/revisions"}],"predecessor-version":[{"id":4188,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/4187\/revisions\/4188"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=4187"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=4187"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=4187"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}