C\u00e1c ti\u1ec3u h\u00e0nh tinh trong v\u0169 tr\u1ee5 \u0111\u01b0\u1ee3c cho l\u00e0 ch\u1ee9a m\u1ed9t kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn c\u00e1c kim lo\u1ea1i qu\u00fd hi\u1ebfm nh\u01b0 cacbon, kim c\u01b0\u01a1ng, titanv\u00e0 d\u1ea9u m\u1ecf, \u0111\u01b0\u1ee3c sinh ra t\u1eeb b\u1ee5i than v\u00e0 kh\u00ed ng\u01b0ng t\u1ee5.<\/p>\n\n\n\n
C\u00f2n n\u1eb1m s\u00e2u h\u01a1n d\u01b0\u1edbi l\u1edbp b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c ti\u1ec3u h\u00e0nh tinh c\u00f3 th\u1ec3 l\u00e0 c\u00e1c l\u1edbp cacbon v\u00e0 silicon. Theo c\u00e1c quy lu\u1eadt v\u1eadt l\u00fd, cacbon d\u01b0\u1edbi l\u1ef1c \u00e9p l\u1edbn c\u00f3 th\u1ec3 chuy\u1ec3n th\u00e0nh kim c\u01b0\u01a1ng. C\u00e1c nh\u00e0 v\u1eadt l\u00fd c\u1ee7a tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Princetonv\u00e0 tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Carnegie (M\u1ef9) cho r\u1eb1ng, c\u00e1c d\u00f2ng s\u00f4ng, bi\u1ec3n v\u00e0 th\u1eadm ch\u00ed l\u00e0 \u0111\u1ea1i d\u01b0\u01a1ng c\u1ee7a c\u00e1c ti\u1ec3u h\u00e0nh tinh s\u1ebd c\u00f3 r\u1ea5t nhi\u1ec1u kh\u00ed metan v\u00e0 d\u1ea9u m\u1ecf.<\/p>\n\n\n\n
Hi\u1ec7n t\u1ea1i con ng\u01b0\u1eddi ch\u1ec9 c\u00f3 th\u1ec3 chi\u00eam ng\u01b0\u1ee1ng c\u00e1c m\u1ecf kim c\u01b0\u01a1ng v\u00e0 m\u1ecf d\u1ea9u t\u1ef1 nhi\u00ean tr\u00ean c\u00e1c ti\u1ec3u h\u00e0nh tinh. Nh\u01b0ng theo nh\u00e0 v\u1eadt l\u00fd Katharina Lodders t\u1ea1i tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Washington, kh\u1ed1i l\u01b0\u1ee3ng kim lo\u1ea1i c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i \u1edf nh\u1eefng ti\u1ec3u h\u00e0nh tinh g\u1ea9n h\u1ec7 M\u1eb7t tr\u1eddi. Qua ph\u00e2n t\u00edch th\u00f4ng tin thu \u0111\u01b0\u1ee3c b\u1eb1ng k\u00ednh vi\u1ec5n v\u1ecdng Huygens, nh\u00e0 v\u1eadt l\u00fd Lodders cho r\u1eb1ng tr\u00ean sao M\u1ed9c c\u00f3 kh\u1ea3 n\u0103ng t\u1ed3n t\u1ea1i titan.<\/p>\n\n\n\n
\u0110\u1ebfn nay, c\u00e1c nh\u00e0 khoa h\u1ecdc cho r\u1eb1ng t\u00e2m c\u1ee7a c\u00e1c h\u00e0nh tinh trong h\u1ec7 M\u1eb7t tr\u1eddi \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh nh\u1edd ion, nickenv\u00e0 canxo. Theo c\u00e1c gi\u1ea3 thi\u1ebft khoa h\u1ecdc \u0111\u00f3, ban \u0111\u1ea9u c\u00e1c ch\u1ea5t ho\u00e1 h\u1ecdc n\u00e0y \u0111\u01b0\u1ee3c t\u1ee5 l\u1ea1i \u1edf d\u1ea1ng \u0111\u00e1m m\u00e2y b\u1ee5i kh\u00ed bao quanh M\u1eb7t tr\u1eddi. Tuy nhi\u00ean, nh\u00e0 v\u1eadt l\u00fd Lodders cho r\u1eb1ng v\u1eabn c\u00f2n t\u1ed3n t\u1ea1i nh\u1eefng l\u1edbp \u0111\u00e1 cu\u1ed9i v\u00e0 \u0111\u00e1 l\u0103n trong c\u00e1c \u0111\u00e1m m\u00e2y \u0111\u00f3.<\/p>\n\n\n\n
Nh\u1eefng h\u00f2n \u0111\u00e1 cu\u1ed9i khi r\u01a1i xu\u1ed1ng Tr\u00e1i \u0111\u1ea5t c\u00f3 th\u1ec3 ch\u1ee9a grafitv\u00e0 th\u1eadm ch\u00ed c\u00e1c ph\u1ea9n t\u1eed kim c\u01b0\u01a1ng. Ch\u00ednh nh\u1eefng kh\u1ed1i \u0111\u00e1 cu\u1ed9i qua h\u00e0ng t\u1ec9 n\u0103m v\u1eadn \u0111\u1ed9ng c\u00f3 th\u1ec3 \u0111\u00e3 t\u1ea1o ra m\u1ed9t h\u00e0nh tinh c\u00f3 k\u00edch th\u01b0\u1edbc c\u1ef1c l\u1edbn ch\u1ee9a c\u00e1c m\u1ecf d\u1ea9u v\u00e0 kim c\u01b0\u01a1ng.<\/p>\n\n\n\n
N\u0103m 1999, M\u1ef9 \u0111\u00e3 h\u1ea1 c\u00e1nh th\u00e0nh c\u00f4ng tr\u1ea1m v\u0169 tr\u1ee5 NEAR l\u00ean h\u00e0nh tinh Eros. Sau khi ph\u00e2n t\u00edch c\u1ea5u tr\u00fac b\u1ec1 m\u1eb7t c\u1ee7a h\u00e0nh tinh Eros, c\u00e1c nh\u00e0 khoa h\u1ecdc M\u1ef9 \u0111\u00e3 ph\u00e1t hi\u1ec7n th\u1ea5y tr\u00ean h\u00e0nh tinh Erosch\u1ee9a kho\u1ea3ng 20 t\u1ec9 t\u1ea5n nh\u00f4m v\u00e0 kho\u1ea3ng 20 t\u1ec9 t\u1ea5n platin, v\u00e0ng v\u00e0 m\u1ed9t s\u1ed1 kim lo\u1ea1i qu\u00fd hi\u1ebfm kh\u00e1c. N\u00f3i c\u00e1ch kh\u00e1c, hi\u1ec7n \u0111ang c\u00f3 nh\u1eefng m\u1ecf kim lo\u1ea1i qu\u00fd hi\u1ebfm kh\u1ed5ng l\u1ed3 bay xung quanh Tr\u00e1i \u0111\u1ea5t, tr\u1ecb gi\u00e1 \u01b0\u1edbc t\u00ednh kho\u1ea3ng 20 – 30 ngh\u00ecn USD.<\/p>\n\n\n\n
C\u00e1c h\u00e0nh tinh c\u00f3 kim c\u01b0\u01a1ng v\u00e0 d\u1ea9u m\u1ecf n\u1eb1m c\u00e1ch r\u1ea5t xa Tr\u00e1i \u0111\u1ea5t v\u00e0 v\u1edbi khoa h\u1ecdc hi\u1ec7n nay lo\u00e0i ng\u01b0\u1eddi ch\u01b0a th\u1ec3 khai th\u00e1c \u0111\u01b0\u1ee3c ngu\u1ed3n t\u00e0i nguy\u00ean qu\u00fd gi\u00e1 n\u00e0y. Nh\u01b0ng hy v\u1ecdng v\u1edbi t\u1ed1c \u0111\u1ed9 ph\u00e1t tri\u1ec3n khoa h\u1ecdc nh\u01b0 v\u0169 b\u00e3o hi\u1ec7n nay, kh\u00f4ng bao xa n\u1eefa con ng\u01b0\u1eddi c\u00f3 th\u1ec3 khai th\u00e1c \u0111\u01b0\u1ee3c c\u00e1c m\u1ecf v\u00e0ng v\u00e0 d\u1ea9u kh\u00ed trong v\u0169 tr\u1ee5 \u0111\u1ec3 b\u1ed5 sung cho ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng th\u1ebf gi\u1edbi \u0111ang c\u1ea1n ki\u1ec7t d\u1ea9n nh\u01b0 hi\u1ec7n nay.<\/p>\n","protected":false},"excerpt":{"rendered":"
C\u00e1c ti\u1ec3u h\u00e0nh tinh trong v\u0169 tr\u1ee5 \u0111\u01b0\u1ee3c cho l\u00e0 ch\u1ee9a m\u1ed9t kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn c\u00e1c kim lo\u1ea1i qu\u00fd hi\u1ebfm nh\u01b0 cacbon, kim c\u01b0\u01a1ng, titanv\u00e0 d\u1ea9u m\u1ecf, \u0111\u01b0\u1ee3c sinh ra t\u1eeb b\u1ee5i than v\u00e0 kh\u00ed ng\u01b0ng t\u1ee5. C\u00f2n n\u1eb1m s\u00e2u h\u01a1n d\u01b0\u1edbi l\u1edbp b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c ti\u1ec3u h\u00e0nh tinh c\u00f3 th\u1ec3 l\u00e0 c\u00e1c l\u1edbp […]<\/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":[1,15],"tags":[],"class_list":["post-11037","post","type-post","status-publish","format-standard","hentry","category-general","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/11037","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=11037"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/11037\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=11037"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=11037"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=11037"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}