{"id":18140,"date":"2020-04-18T09:24:33","date_gmt":"2020-04-18T09:24:33","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=18140"},"modified":"2020-04-18T09:24:33","modified_gmt":"2020-04-18T09:24:33","slug":"martian-climate-change-ice-caps","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/planetary-science\/martian-climate-change-ice-caps\/","title":{"rendered":"C\u00e1c m\u00f4 h\u00ecnh bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu tr\u00ean sao H\u1ecfa \u0111\u01b0\u1ee3c ti\u1ebft l\u1ed9 trong c\u00e1c m\u0169 b\u0103ng c\u1ef1c"},"content":{"rendered":"<h2 class=\"wp-block-heading\">C\u00e1c m\u00f4 h\u00ecnh bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu tr\u00ean sao H\u1ecfa \u0111\u01b0\u1ee3c ti\u1ebft l\u1ed9 trong c\u00e1c m\u0169 b\u0103ng c\u1ef1c<\/h2>\n\n<h2 class=\"wp-block-heading\">C\u00e1c m\u0169 b\u0103ng c\u1ef1c nh\u01b0 nh\u1eefng cu\u1ed1n s\u00e1ch l\u1ecbch s\u1eed v\u1ec1 kh\u00ed h\u1eadu<\/h2>\n\n<p>Gi\u1ed1ng nh\u01b0 Tr\u00e1i \u0111\u1ea5t, sao H\u1ecfa \u0111\u00e3 tr\u1ea3i qua nh\u1eefng thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 v\u1ec1 kh\u00ed h\u1eadu theo th\u1eddi gian. Nh\u1eefng thay \u0111\u1ed5i n\u00e0y \u0111\u01b0\u1ee3c ghi l\u1ea1i trong c\u00e1c m\u0169 b\u0103ng c\u1ef1c t\u1ea1i c\u00e1c c\u1ef1c c\u1ee7a h\u00e0nh tinh, \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t kho l\u01b0u tr\u1eef b\u0103ng gi\u00e1 v\u1ec1 c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00ed h\u1eadu trong qu\u00e1 kh\u1ee9.<\/p>\n\n<h2 class=\"wp-block-heading\">H\u00ecnh h\u1ecdc qu\u1ef9 \u0111\u1ea1o v\u00e0 c\u00e1c chu k\u1ef3 kh\u00ed h\u1eadu<\/h2>\n\n<p>M\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 ch\u00ednh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu tr\u00ean c\u1ea3 Tr\u00e1i \u0111\u1ea5t v\u00e0 sao H\u1ecfa l\u00e0 h\u00ecnh h\u1ecdc qu\u1ef9 \u0111\u1ea1o c\u1ee7a h\u00e0nh tinh. \u0110i\u1ec1u n\u00e0y li\u00ean quan \u0111\u1ebfn \u0111\u1ed9 nghi\u00eang c\u1ee7a tr\u1ee5c h\u00e0nh tinh v\u00e0 th\u1eddi gian h\u00e0nh tinh \u0111\u00f3 quay quanh m\u1eb7t tr\u1eddi. Khi B\u00e1n c\u1ea7u B\u1eafc \u00edt nghi\u00eang v\u1ec1 ph\u00eda m\u1eb7t tr\u1eddi h\u01a1n v\u00e0o m\u00f9a h\u00e8 v\u00e0 h\u00e0nh tinh \u0111\u00f3 \u1edf xa m\u1eb7t tr\u1eddi nh\u1ea5t tr\u00ean qu\u1ef9 \u0111\u1ea1o c\u1ee7a n\u00f3, c\u00e1c \u0111i\u1ec1u ki\u1ec7n s\u1ebd thu\u1eadn l\u1ee3i h\u01a1n cho c\u00e1c k\u1ef7 b\u0103ng h\u00e0.<\/p>\n\n<h2 class=\"wp-block-heading\">B\u1eb1ng ch\u1ee9ng t\u1eeb h\u00ecnh \u1ea3nh radar<\/h2>\n\n<p>C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 h\u00ecnh \u1ea3nh radar \u0111\u1ec3 nghi\u00ean c\u1ee9u c\u00e1c l\u1edbp b\u0103ng trong c\u00e1c m\u0169 b\u0103ng c\u1ef1c tr\u00ean sao H\u1ecfa. C\u00f4ng ngh\u1ec7 n\u00e0y cho ph\u00e9p h\u1ecd th\u00e2m nh\u1eadp v\u00e0o b\u0103ng v\u00e0 ph\u00e1t hi\u1ec7n ra s\u1ef1 kh\u00e1c bi\u1ec7t trong th\u00e0nh ph\u1ea7n c\u1ee7a b\u0103ng. Nh\u1eefng s\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y c\u00f3 th\u1ec3 cung c\u1ea5p c\u00e1i nh\u00ecn s\u00e2u s\u1eafc v\u1ec1 c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00ed h\u1eadu trong qu\u00e1 kh\u1ee9.<\/p>\n\n<h2 class=\"wp-block-heading\">B\u0103ng b\u1ea9n v\u00e0 dao \u0111\u1ed9ng kh\u00ed h\u1eadu<\/h2>\n\n<p>B\u0103ng trong c\u00e1c m\u0169 b\u0103ng c\u1ef1c tr\u00ean sao H\u1ecfa ch\u1ee9a nhi\u1ec1u l\u01b0\u1ee3ng b\u1ee5i b\u1ea9n kh\u00e1c nhau. Ng\u01b0\u1eddi ta cho r\u1eb1ng nh\u1eefng t\u1ea1p ch\u1ea5t n\u00e0y l\u1eafng \u0111\u1ecdng trong c\u00e1c th\u1eddi k\u1ef3 kh\u00ed h\u1eadu kh\u00e1c nhau, c\u00f3 m\u1ee9c \u0111\u1ed9 b\u1ee5i kh\u00e1c nhau trong kh\u00ed quy\u1ec3n.<\/p>\n\n<h2 class=\"wp-block-heading\">Hai m\u00f4 h\u00ecnh v\u1ec1 s\u1ef1 t\u00edch t\u1ee5 b\u1ee5i b\u1ea9n<\/h2>\n\n<p>C\u00f3 hai m\u00f4 h\u00ecnh ch\u00ednh v\u1ec1 c\u00e1ch b\u1ee5i b\u1ea9n t\u00edch t\u1ee5 trong b\u0103ng:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>M\u00f4 h\u00ecnh bay h\u01a1i:<\/strong> Trong nh\u1eefng giai \u0111o\u1ea1n bay h\u01a1i d\u1eef d\u1ed9i h\u01a1n, b\u0103ng th\u0103ng hoa, \u0111\u1ec3 l\u1ea1i n\u1ed3ng \u0111\u1ed9 b\u1ee5i b\u1ea9n cao h\u01a1n.<\/li>\n<li><strong>M\u00f4 h\u00ecnh t\u00edch t\u1ee5 b\u1ee5i:<\/strong> Trong nh\u1eefng giai \u0111o\u1ea1n ho\u1ea1t \u0111\u1ed9ng b\u1ee5i gia t\u0103ng trong kh\u00ed quy\u1ec3n, nhi\u1ec1u b\u1ee5i h\u01a1n r\u01a1i xu\u1ed1ng b\u0103ng, d\u1eabn \u0111\u1ebfn h\u00e0m l\u01b0\u1ee3ng b\u1ee5i b\u1ea9n cao h\u01a1n.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">\u0110\u1ed9 ph\u1ea3n x\u1ea1 radar v\u00e0 s\u1ef1 t\u00edch t\u1ee5 b\u1ee5i<\/h2>\n\n<p>D\u1eef li\u1ec7u h\u00ecnh \u1ea3nh radar h\u1ed7 tr\u1ee3 m\u00f4 h\u00ecnh t\u00edch t\u1ee5 b\u1ee5i. \u0110\u1ed9 ph\u1ea3n x\u1ea1 c\u1ee7a c\u00e1c l\u1edbp b\u0103ng, nh\u01b0 \u0111\u01b0\u1ee3c radar ph\u00e1t hi\u1ec7n, b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 h\u00e0m l\u01b0\u1ee3ng b\u1ee5i b\u1ea9n.<\/p>\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng th\u00e1ch th\u1ee9c trong vi\u1ec7c li\u00ean k\u1ebft c\u00e1c k\u1ef7 b\u0103ng h\u00e0 c\u1ee5 th\u1ec3<\/h2>\n\n<p>M\u1eb7c d\u00f9 d\u1eef li\u1ec7u radar cung c\u1ea5p b\u1eb1ng ch\u1ee9ng v\u1ec1 bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu, nh\u01b0ng hi\u1ec7n t\u1ea1i d\u1eef li\u1ec7u \u0111\u00f3 v\u1eabn c\u00f2n qu\u00e1 th\u00f4 \u0111\u1ec3 li\u00ean k\u1ebft c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee5 th\u1ec3 c\u1ee7a c\u00e1c l\u1edbp b\u0103ng v\u1edbi c\u00e1c &#8220;k\u1ef7 b\u0103ng h\u00e0&#8221; c\u1ee5 th\u1ec3 tr\u00ean sao H\u1ecfa.<\/p>\n\n<h2 class=\"wp-block-heading\">K\u1ebft qu\u1ea3 radar ngo\u1ea1n m\u1ee5c<\/h2>\n\n<p>B\u1ea5t ch\u1ea5p h\u1ea1n ch\u1ebf n\u00e0y, c\u00f4ng ngh\u1ec7 h\u00ecnh \u1ea3nh radar \u0111\u00e3 mang l\u1ea1i nh\u1eefng k\u1ebft qu\u1ea3 ngo\u1ea1n m\u1ee5c. C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 c\u00f3 th\u1ec3 l\u1eadp b\u1ea3n \u0111\u1ed3 c\u00e1c l\u1edbp b\u0103ng ng\u1ea7m li\u00ean t\u1ee5c \u1edf ba chi\u1ec1u tr\u00ean m\u1ed9t khu v\u1ef1c r\u1ed9ng l\u1edbn c\u1ee7a m\u0169 b\u0103ng c\u1ef1c tr\u00ean sao H\u1ecfa.<\/p>\n\n<h2 class=\"wp-block-heading\">H\u00e9 l\u1ed9 l\u1ecbch s\u1eed kh\u00ed h\u1eadu tr\u00ean sao H\u1ecfa<\/h2>\n\n<p>Nghi\u00ean c\u1ee9u v\u1ec1 c\u00e1c m\u0169 b\u0103ng c\u1ef1c tr\u00ean sao H\u1ecfa cung c\u1ea5p nh\u1eefng hi\u1ec3u bi\u1ebft c\u00f3 gi\u00e1 tr\u1ecb v\u1ec1 kh\u00ed h\u1eadu trong qu\u00e1 kh\u1ee9 c\u1ee7a h\u00e0nh tinh n\u00e0y. B\u1eb1ng c\u00e1ch ph\u00e2n t\u00edch c\u00e1c bi\u1ebfn th\u1ec3 v\u1ec1 th\u00e0nh ph\u1ea7n v\u00e0 c\u1ea5u tr\u00fac b\u0103ng, c\u00e1c nh\u00e0 khoa h\u1ecdc c\u00f3 th\u1ec3 gh\u00e9p l\u1ea1i m\u1ed9t l\u1ecbch s\u1eed chi ti\u1ebft v\u1ec1 bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu tr\u00ean sao H\u1ecfa, gi\u00fap ch\u00fang ta hi\u1ec3u c\u00e1ch h\u00e0nh tinh n\u00e0y \u0111\u00e3 ti\u1ebfn h\u00f3a theo th\u1eddi gian.<\/p>","protected":false},"excerpt":{"rendered":"<p>C\u00e1c m\u00f4 h\u00ecnh bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu tr\u00ean sao H\u1ecfa \u0111\u01b0\u1ee3c ti\u1ebft l\u1ed9 trong c\u00e1c m\u0169 b\u0103ng c\u1ef1c C\u00e1c m\u0169 b\u0103ng c\u1ef1c nh\u01b0 nh\u1eefng cu\u1ed1n s\u00e1ch l\u1ecbch s\u1eed v\u1ec1 kh\u00ed&hellip;<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[985],"tags":[23721,434,815,7756,23720],"class_list":["post-18140","post","type-post","status-publish","format-standard","hentry","category-planetary-science","tag-radar-imaging","tag-space-exploration","tag-planetary-science","tag-ice-caps","tag-martian-climate-change"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/18140","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=18140"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/18140\/revisions"}],"predecessor-version":[{"id":18141,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/18140\/revisions\/18141"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=18140"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=18140"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=18140"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}