Tr\u00e1i \u0110\u1ea5t<\/strong><\/a> l\u00e0 sao Th\u1ee7y. Tuy nhi\u00ean, v\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n s\u1ed1ng v\u00e0 m\u00f4i tr\u01b0\u1eddng, h\u00e0nh tinh g\u1ea7n gi\u1ed1ng Tr\u00e1i \u0110\u1ea5t nh\u1ea5t l\u00e0 Sao H\u1ecfa, v\u1edbi b\u1ec1 m\u1eb7t \u0111\u00e1 v\u00e0 b\u0103ng, n\u01b0\u1edbc b\u1ed1c h\u01a1i v\u00e0 kh\u00ed quy\u1ec3n.<\/p>\n<\/p>\n
Tr\u00e1i \u0111\u1ea5t l\u00e0 m\u1ed9t h\u00e0nh tinh r\u1ea5t \u0111\u1eb7c bi\u1ec7t trong v\u0169 tr\u1ee5, \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh t\u1eeb nh\u1eefng nguy\u00ean t\u1ed1 v\u00e0 m\u1ed9t lo\u1ea1t c\u00e1c qu\u00e1 tr\u00ecnh t\u1ef1 nhi\u00ean. Nh\u1eefng \u0111\u1eb7c t\u00ednh \u0111\u1ed9c \u0111\u00e1o c\u1ee7a Tr\u00e1i \u0111\u1ea5t \u0111\u00e3 cho ph\u00e9p n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t h\u00e0nh tinh xanh v\u00e0 cung c\u1ea5p m\u1ed9t m\u00f4i tr\u01b0\u1eddng l\u00fd t\u01b0\u1edfng cho s\u1ef1 s\u1ed1ng.<\/p>\n
Tr\u00e1i \u0110\u1ea5t L\u00e0 M\u1ed9t H\u00e0nh Tinh \u0110\u01b0\u1ee3c T\u1ea1o N\u00ean Nh\u01b0 Th\u1ebf N\u00e0o?<\/h2>\n
Tr\u00e1i \u0110\u1ea5t \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh t\u1eeb qu\u00e1 tr\u00ecnh \u0111\u00f3ng \u0111\u00e1y \u0111\u1ea1i d\u01b0\u01a1ng, \u0111\u00f3ng g\u00f3p t\u1eeb c\u00e1c h\u00e0nh tinh nh\u1ecf h\u01a1n v\u00e0 c\u00e1c v\u1eadt ch\u1ea5t t\u1eeb m\u1eb7t tr\u1eddi. Tr\u00e1i \u0110\u1ea5t c\u0169ng tr\u1ea3i qua nhi\u1ec1u thay \u0111\u1ed5i v\u00e0 hi\u1ec7n \u0111\u1ea1i h\u00f3a<\/p>\n
Tr\u00e1i \u0111\u1ea5t, c\u00f9ng v\u1edbi c\u00e1c h\u00e0nh tinh kh\u00e1c trong H\u1ec7 M\u1eb7t tr\u1eddi, \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh t\u1eeb \u0111\u00e1m m\u00e2y kh\u00ed v\u00e0 b\u1ee5i trong v\u0169 tr\u1ee5. Theo c\u00e1c nh\u00e0 khoa h\u1ecdc, h\u01a1n 4,5 t\u1ef7 n\u0103m tr\u01b0\u1edbc, m\u1ed9t v\u1ee5 n\u1ed5 l\u1edbn g\u1ecdi l\u00e0 Big Bang \u0111\u00e3 x\u1ea3y ra v\u00e0 t\u1ea1o ra v\u0169 tr\u1ee5. Sau \u0111\u00f3, c\u00e1c h\u1ea1t trong v\u0169 tr\u1ee5 \u0111\u00e3 b\u1eaft \u0111\u1ea7u t\u1eadp h\u1ee3p l\u1ea1i v\u1edbi nhau \u0111\u1ec3 t\u1ea1o th\u00e0nh c\u00e1c ng\u00f4i sao v\u00e0 h\u00e0nh tinh.<\/p>\n
<\/p>\n
Tr\u00e1i \u0111\u1ea5t \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh t\u1eeb m\u1ed9t \u0111\u00e1m m\u00e2y kh\u00ed v\u00e0 b\u1ee5i quay quanh M\u1eb7t tr\u1eddi. V\u1edbi s\u1ef1 h\u1ea5p d\u1eabn c\u1ee7a l\u1ef1c h\u1ea5p d\u1eabn, c\u00e1c h\u1ea1t trong \u0111\u00e1m m\u00e2y n\u00e0y \u0111\u00e3 b\u1eaft \u0111\u1ea7u t\u1eadp h\u1ee3p l\u1ea1i v\u1edbi nhau \u0111\u1ec3 t\u1ea1o th\u00e0nh nh\u1eefng v\u1eadt th\u1ec3 l\u1edbn h\u01a1n. Trong qu\u00e1 tr\u00ecnh n\u00e0y, m\u1ed9t s\u1ed1 h\u1ea1t \u0111\u00e3 b\u1eaft \u0111\u1ea7u quay quanh nh\u1eefng v\u1eadt th\u1ec3 l\u1edbn h\u01a1n \u0111\u1ec3 t\u1ea1o ra c\u00e1c h\u00e0nh tinh.<\/p>\n
Tr\u00e1i \u0111\u1ea5t \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb c\u00e1c h\u1ea1t nh\u01b0 silic, s\u1eaft v\u00e0 nickel. Theo c\u00e1c nh\u00e0 khoa h\u1ecdc, nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t trong nh\u00e2n Tr\u00e1i \u0111\u1ea5t r\u1ea5t cao, g\u00e2y ra s\u1ef1 ph\u00e2n t\u00e1ch c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1 kh\u00e1c nhau. M\u1ed9t s\u1ed1 nguy\u00ean t\u1ed1 \u0111\u00e3 di chuy\u1ec3n l\u00ean b\u1ec1 m\u1eb7t v\u00e0 t\u1ea1o ra l\u1edbp v\u1ecf Tr\u00e1i \u0111\u1ea5t, trong khi nh\u1eefng nguy\u00ean t\u1ed1 kh\u00e1c \u0111\u00e3 gi\u1eef l\u1ea1i trong nh\u00e2n \u0111\u1ec3 t\u1ea1o ra l\u00f5i Tr\u00e1i \u0111\u1ea5t.<\/p>\n
V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7, con ng\u01b0\u1eddi \u0111\u00e3 c\u00f3 nhi\u1ec1u c\u01a1 h\u1ed9i \u0111\u1ec3 t\u00ecm hi\u1ec3u v\u1ec1 c\u00e1c h\u00e0nh tinh kh\u00e1c trong v\u0169 tr\u1ee5 v\u00e0 c\u00f3 th\u00eam nhi\u1ec1u th\u00f4ng tin v\u1ec1 Tr\u00e1i \u0111\u1ea5t. M\u1eb7c d\u00f9 c\u00f3 r\u1ea5t nhi\u1ec1u h\u00e0nh tinh trong v\u0169 tr\u1ee5, nh\u01b0ng cho \u0111\u1ebfn nay ch\u1ec9 c\u00f3 Tr\u00e1i \u0111\u1ea5t \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn l\u00e0 c\u00f3 s\u1ef1 s\u1ed1ng. Tuy nhi\u00ean, c\u00e1c nh\u00e0 khoa h\u1ecdc v\u1eabn \u0111ang ti\u1ebfp t\u1ee5c nghi\u00ean c\u1ee9u \u0111\u1ec3 t\u00ecm ki\u1ebfm s\u1ef1 s\u1ed1ng tr\u00ean c\u00e1c h\u00e0nh tinh kh\u00e1c.<\/p>\n
C\u00e2u h\u1ecfi \u0111\u1eb7t ra l\u00e0: C\u00f3 bao nhi\u00eau h\u00e0nh tinh c\u00f3 s\u1ef1 s\u1ed1ng trong v\u0169 tr\u1ee5?<\/h2>\n
Theo nh\u1eefng nghi\u00ean c\u1ee9u g\u1ea7n \u0111\u00e2y, kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c h\u00e0nh tinh trong v\u0169 tr\u1ee5 qu\u00e1 xa, v\u00e0 m\u1ed7i h\u00e0nh tinh l\u1ea1i c\u00f3 nh\u1eefng \u0111i\u1ec1u ki\u1ec7n s\u1ed1ng r\u1ea5t \u0111\u1eb7c bi\u1ec7t. V\u00ec v\u1eady, vi\u1ec7c t\u00ecm ki\u1ebfm m\u1ed9t h\u00e0nh tinh c\u00f3 s\u1ef1 s\u1ed1ng ngo\u00e0i Tr\u00e1i \u0110\u1ea5t l\u00e0 m\u1ed9t nhi\u1ec7m v\u1ee5 kh\u00f3 kh\u0103n. Tuy nhi\u00ean, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 t\u00ecm th\u1ea5y nhi\u1ec1u d\u1ea5u hi\u1ec7u cho th\u1ea5y s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a s\u1ef1 s\u1ed1ng tr\u00ean c\u00e1c h\u00e0nh tinh kh\u00e1c.<\/p>\n
C\u00e1c h\u00e0nh tinh \u0111\u01b0\u1ee3c coi l\u00e0 c\u00f3 ti\u1ec1m n\u0103ng cho s\u1ef1 s\u1ed1ng bao g\u1ed3m c\u00e1c h\u00e0nh tinh kh\u00ed kh\u1ed5ng l\u1ed3 nh\u01b0 Jupiter v\u00e0 Saturn, c\u0169ng nh\u01b0 c\u00e1c h\u00e0nh tinh thu\u1ed9c v\u00f9ng \u0111\u1eddi s\u1ed1ng c\u1ee7a m\u1eb7t tr\u1eddi nh\u01b0 Mars v\u00e0 V\u00eanus. Tuy nhi\u00ean, m\u1ed9t s\u1ed1 h\u00e0nh tinh nh\u01b0 V\u00eanus c\u00f3 \u0111i\u1ec1u ki\u1ec7n qu\u00e1 kh\u1eafc nghi\u1ec7t \u0111\u1ec3 c\u00f3 s\u1ef1 s\u1ed1ng. V\u1edbi \u00e1p su\u1ea5t cao v\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1ef1c cao, kh\u00f4ng c\u00f3 m\u1ed9t h\u00ecnh th\u1ee9c s\u1ef1 s\u1ed1ng n\u00e0o c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i tr\u00ean V\u00eanus.<\/p>\n
<\/p>\n
<\/p>\n
M\u1eb7c d\u00f9 v\u1eabn ch\u01b0a t\u00ecm th\u1ea5y s\u1ef1 s\u1ed1ng \u1edf b\u1ea5t k\u1ef3 h\u00e0nh tinh n\u00e0o kh\u00e1c trong H\u1ec7 M\u1eb7t tr\u1eddi, c\u00e1c nh\u00e0 khoa h\u1ecdc v\u1eabn ti\u1ebfp t\u1ee5c t\u00ecm ki\u1ebfm s\u1ef1 s\u1ed1ng tr\u00ean c\u00e1c h\u00e0nh tinh kh\u00e1c. C\u00e1c d\u1ef1 \u00e1n nghi\u00ean c\u1ee9u nh\u01b0 SETI \u0111\u00e3 ph\u00e1t tri\u1ec3n c\u00e1c c\u00f4ng ngh\u1ec7 \u0111\u1ec3 t\u00ecm ki\u1ebfm c\u00e1c t\u00edn hi\u1ec7u t\u1eeb v\u0169 tr\u1ee5, v\u1ed1n \u0111\u01b0\u1ee3c coi l\u00e0 c\u00f3 kh\u1ea3 n\u0103ng li\u00ean quan \u0111\u1ebfn s\u1ef1 s\u1ed1ng.<\/p>\n
T\u00f3m l\u1ea1i, vi\u1ec7c t\u00ecm ki\u1ebfm s\u1ef1 s\u1ed1ng tr\u00ean c\u00e1c h\u00e0nh tinh kh\u00e1c trong v\u0169 tr\u1ee5 l\u00e0 m\u1ed9t th\u1eed th\u00e1ch \u0111\u1ea7y th\u00fa v\u1ecb v\u00e0 h\u1ee9a h\u1eb9n. M\u1eb7c d\u00f9 ch\u00fang ta ch\u01b0a bi\u1ebft \u0111\u01b0\u1ee3c ch\u00ednh x\u00e1c s\u1ed1 l\u01b0\u1ee3ng h\u00e0nh tinh c\u00f3 s\u1ef1 s\u1ed1ng, nh\u01b0ng ch\u00fang ta v\u1eabn c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c nghi\u00ean c\u1ee9u \u0111\u1ec3 t\u00ecm hi\u1ec3u v\u1ec1 v\u0169 tr\u1ee5 r\u1ed9ng l\u1edbn.<\/p>\n","protected":false},"excerpt":{"rendered":"
H\u00e0nh tinh l\u00e0 m\u1ed9t trong nh\u1eefng \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c quan t\u00e2m nhi\u1ec1u nh\u1ea5t trong l\u0129nh v\u1ef1c thi\u00ean v\u0103n h\u1ecdc. V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7, ch\u00fang ta \u0111\u00e3 c\u00f3 nhi\u1ec1u th\u00f4ng tin v\u1ec1 c\u00e1c h\u00e0nh tinh trong H\u1ec7 M\u1eb7t tr\u1eddi v\u00e0 nh\u1eefng h\u00e0nh tinh kh\u00e1c trong v\u0169 tr\u1ee5. H\u00e0nh tinh l\u00e0 […]<\/p>\n","protected":false},"author":1,"featured_media":36,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","footnotes":""},"categories":[2],"tags":[],"class_list":["post-1","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/traidat.net\/wp-json\/wp\/v2\/posts\/1"}],"collection":[{"href":"https:\/\/traidat.net\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/traidat.net\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/traidat.net\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/traidat.net\/wp-json\/wp\/v2\/comments?post=1"}],"version-history":[{"count":6,"href":"https:\/\/traidat.net\/wp-json\/wp\/v2\/posts\/1\/revisions"}],"predecessor-version":[{"id":51,"href":"https:\/\/traidat.net\/wp-json\/wp\/v2\/posts\/1\/revisions\/51"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/traidat.net\/wp-json\/wp\/v2\/media\/36"}],"wp:attachment":[{"href":"https:\/\/traidat.net\/wp-json\/wp\/v2\/media?parent=1"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/traidat.net\/wp-json\/wp\/v2\/categories?post=1"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/traidat.net\/wp-json\/wp\/v2\/tags?post=1"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}