{"id":11795,"date":"2026-08-20T00:47:17","date_gmt":"2026-08-19T17:47:17","guid":{"rendered":"https:\/\/useful.vn\/?p=11795"},"modified":"2026-08-20T00:47:17","modified_gmt":"2026-08-19T17:47:17","slug":"trai-dat-khong-tron","status":"publish","type":"post","link":"https:\/\/useful.vn\/?p=11795","title":{"rendered":"Tr\u00e1i \u0110\u1ea5t kh\u00f4ng tr\u00f2n"},"content":{"rendered":"<article class=\"fck_detail \">\n<h1 class=\"title-detail mt20\">\nTr\u00e1i \u0110\u1ea5t kh\u00f4ng tr\u00f2n <\/h1>\n<p class=\"description\">NASA d\u1ef1ng m\u00f4 h\u00ecnh 3D t\u1eeb d\u1eef li\u1ec7u l\u1ef1c h\u1ea5p d\u1eabn c\u1ee7a h\u00e0nh tinh, cho th\u1ea5y r\u00f5 nh\u1eefng \u0111i\u1ec3m g\u1ed3 gh\u1ec1 v\u00e0 m\u1ea5t c\u00e2n \u0111\u1ed1i tr\u00ean b\u1ec1 m\u1eb7t \u0111\u1ecba c\u1ea7u.<\/p>\n<p class=\"Normal\">NASA v\u1eeba c\u00f4ng b\u1ed1 m\u1ed9t m\u00f4 h\u00ecnh bi\u1ec3u di\u1ec5n h\u00ecnh d\u1ea1ng c\u1ee7a Tr\u00e1i \u0110\u1ea5t d\u1ef1a tr\u00ean tr\u01b0\u1eddng h\u1ea5p d\u1eabn thay v\u00ec b\u1ec1 m\u1eb7t \u0111\u1ecba h\u00ecnh, c\u00f2n g\u1ecdi l\u00e0 geoid hay b\u1ec1 m\u1eb7t \u0111\u1eb3ng th\u1ebf tr\u1ecdng l\u1ef1c. V\u00ec kh\u1ed1i l\u01b0\u1ee3ng b\u00ean trong h\u00e0nh tinh ph\u00e2n b\u1ed1 kh\u00f4ng \u0111\u1ec1u, l\u1ef1c h\u1ea5p d\u1eabn \u1edf m\u1ed7i n\u01a1i c\u0169ng s\u1ebd kh\u00e1c nhau, t\u1ea1o th\u00e0nh nh\u1eefng v\u00f9ng h\u01a1i ph\u00ecnh l\u00ean ho\u1eb7c l\u00f5m xu\u1ed1ng.<\/p>\n<p class=\"Normal\">Geoid l\u00e0 h\u00ecnh d\u1ea1ng c\u1ee7a m\u1eb7t n\u01b0\u1edbc bi\u1ec3n to\u00e0n c\u1ea7u n\u1ebfu ch\u1ec9 b\u1ecb t\u00e1c \u0111\u1ed9ng b\u1edfi tr\u1ecdng l\u1ef1c v\u00e0 s\u1ef1 quay c\u1ee7a Tr\u00e1i \u0110\u1ea5t, kh\u00f4ng c\u00f3 s\u00f3ng v\u00e0 d\u00f2ng ch\u1ea3y. Do \u0111\u00f3, n\u00f3 \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m m\u1ed1c \u0111\u1ec3 \u0111o \u0111\u1ed9 cao, nghi\u00ean c\u1ee9u m\u1ef1c n\u01b0\u1edbc bi\u1ec3n, b\u0103ng tan, n\u01b0\u1edbc ng\u1ea7m v\u00e0 bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu.<\/p>\n<p class=\"Normal\">M\u00f4 h\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c NASA x\u00e2y d\u1ef1ng b\u1eb1ng c\u00e1ch thu th\u1eadp d\u1eef li\u1ec7u v\u1ec7 tinh, g\u1ed3m m\u1ed9t t\u1ef7 quan s\u00e1t trong 15 n\u0103m. \u0110\u1ed9 cao c\u00e1c \u0111i\u1ec3m \u0111\u01b0\u1ee3c ph\u00f3ng \u0111\u1ea1i 10.000 l\u1ea7n nh\u1eb1m l\u00e0m n\u1ed5i b\u1eadt nh\u1eefng bi\u1ebfn \u0111\u1ed5i trong tr\u01b0\u1eddng h\u1ea5p d\u1eabn. C\u01a1 quan v\u0169 tr\u1ee5 c\u0169ng chia s\u1ebb geoid 3D phi\u00ean b\u1ea3n c\u00f3 th\u1ec3 t\u01b0\u01a1ng t\u00e1c, thu ph\u00f3ng tr\u00ean trang web.<\/p>\n<p class=\"Normal\">Theo <em>World Atlas<\/em>, ngo\u00e0i tr\u1ecdng l\u1ef1c c\u00f2n c\u00f3 m\u1ed9t s\u1ed1 l\u00fd do khi\u1ebfn Tr\u00e1i \u0110\u1ea5t c\u00f3 h\u00ecnh c\u1ea7u d\u1eb9t thay v\u00ec h\u00ecnh c\u1ea7u ho\u00e0n h\u1ea3o. V\u00ec h\u00e0nh tinh t\u1ef1 quay quanh tr\u1ee5c c\u1ee7a ch\u00ednh n\u00f3, l\u1ef1c ly t\u00e2m \u0111\u1ea9y v\u1eadt ch\u1ea5t ra ngo\u00e0i, \u0111\u1eb7c bi\u1ec7t \u1edf v\u00f9ng x\u00edch \u0111\u1ea1o. Chuy\u1ec3n \u0111\u1ed9ng n\u00e0y khi\u1ebfn cho &#8220;b\u1ec1 ngang&#8221; d\u00e0y h\u01a1n kho\u1ea3ng 0,3% so v\u1edbi \u1edf hai c\u1ef1c.<\/p>\n<div>\n<figure class=\"item_slide_show clearfix\">\n<div id=\"video_parent_451330\" class=\" layout_version_2    box_embed_video_parent embed_video_new\" data-vorientation=\"square\" data-vcate=\"1003834\" data-vscate=\"1006241\" data-vscaten=\"Khoa h\u1ecdc c\u00f4ng ngh\u1ec7\" data-vid=\"451330\" data-ratio=\"2\" data-articleoriginal=\"5103618\" data-ads=\"0\" data-license=\"0\" data-duration=\"48\" data-brandsafe=\"0\" data-type=\"0\" data-play=\"0\" data-frame=\"\" data-aot=\"\" data-videoclassify=\"None\" data-vwidth=\"2160\" data-vheight=\"2160\">\n<div data-vid=\"451330\" class=\"box_img_video  img-orientation-square\"><img decoding=\"async\" class=\"thumb-above-video\" src=\"http:\/\/useful.vn\/wp-content\/uploads\/2026\/08\/trai-dat-khong-tron-nhu-ban-tuong-1785465456.webp\" alt=\"Tr\u00e1i \u0110\u1ea5t kh\u00f4ng tr\u00f2n nh\u01b0 b\u1ea1n t\u01b0\u1edfng\" title=\"trai-dat-khong-tron-nhu-ban-tuong-1785465456\"><\/p>\n<div class=\"icon_blockvideo\">\n<div class=\"img_icon\">\u00a0<\/div>\n<div class=\"image_icon_center\">\u00a0<\/div>\n<\/div>\n<\/div>\n<div id=\"embed_video_451330\" class=\"box_embed_video\">\n<div class=\"embed-container ratio-custom orientation-square\">\n<div class=\"parser_title\">Tr\u00e1i \u0110\u1ea5t kh\u00f4ng tr\u00f2n nh\u01b0 b\u1ea1n t\u01b0\u1edfng<\/div>\n<\/div>\n<\/div>\n<\/div><figcaption class=\"desc_cation\">\n<div class=\"inner_caption\">\n<p class=\"Image\">M\u00f4 h\u00ecnh geoid c\u1ee7a Tr\u00e1i \u0110\u1ea5t. Video: <em>NASA<\/em><\/p>\n<\/div>\n<\/figcaption><\/figure>\n<\/div>\n<p class=\"Normal\">C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m \u0111\u1ecba ch\u1ea5t c\u0169ng g\u00f3p ph\u1ea7n t\u1ea1o n\u00ean h\u00ecnh d\u1ea1ng \u0111\u1ecba c\u1ea7u. Tr\u00e1i \u0110\u1ea5t c\u00f3 nh\u1eefng ng\u1ecdn n\u00fai cao kho\u1ea3ng 9.100 m\u00e9t, \u0111\u1ed3ng th\u1eddi c\u0169ng c\u00f3 nh\u1eefng r\u00e3nh \u0111\u1ea1i d\u01b0\u01a1ng s\u00e2u t\u1edbi 11.000 m\u00e9t. C\u00e1c hi\u1ec7n t\u01b0\u1ee3ng tr\u00ean b\u1ec1 m\u1eb7t c\u0169ng khi\u1ebfn h\u00e0nh tinh li\u00ean t\u1ee5c thay \u0111\u1ed5i. Ch\u1eb3ng h\u1ea1n, s\u1ef1 bi\u1ebfn \u0111\u1ed5i c\u1ee7a th\u1ee7y tri\u1ec1u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u1ea3 \u0111\u1ea1i d\u01b0\u01a1ng l\u1eabn l\u1edbp v\u1ecf, chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a c\u00e1c m\u1ea3ng ki\u1ebfn t\u1ea1o g\u00e2y ra c\u00e1c v\u1ebft n\u1ee9t tr\u00ean b\u1ec1 m\u1eb7t v\u00e0 khi\u1ebfn c\u00e1c l\u1ee5c \u0111\u1ecba d\u1ea7n t\u00e1ch xa nhau.<\/p>\n<p class=\"Normal\">Nh\u1eefng bi\u1ebfn \u0111\u1ed5i n\u00e0y c\u0169ng l\u00e0 l\u00fd do c\u00e1c nh\u00e0 khoa h\u1ecdc s\u1eed d\u1ee5ng geoid \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c h\u01a1n h\u00ecnh d\u1ea1ng \u0111\u1ecba c\u1ea7u, s\u1eed d\u1ee5ng l\u00e0m b\u1ec1 m\u1eb7t tham chi\u1ebfu cho c\u00e1c thay \u0111\u1ed5i theo th\u1eddi gian.<\/p>\n<figure data-size=\"true\" class=\"tplCaption\">\n<div class=\"fig-picture\" data-width=\"1020\">\n<source data-srcset=\"http:\/\/useful.vn\/wp-content\/uploads\/2026\/08\/a22ed4212899883a837221c4910cea-6679-6602-1785465579.webp 1x, http:\/\/useful.vn\/wp-content\/uploads\/2026\/08\/a22ed4212899883a837221c4910cea-6679-6602-1785465579.webp 1.5x, https:\/\/vcdn1-vnexpress.vnecdn.net\/2026\/07\/31\/a22ed4212899883a837221c4910cea-6679-6602-1785465579.webp?w=1020&amp;h=0&amp;q=100&amp;dpr=2&amp;fit=crop&amp;s=SVMboTwW1bLWygb8ax6txg 2x\" \/><\/div><figcaption>\n<p class=\"Image\">H\u00ecnh \u1ea3nh t\u1eeb m\u00f4 h\u00ecnh geoid m\u1edbi. \u1ea2nh: <em>NASA<\/em><\/p>\n<\/figcaption><\/figure>\n<p class=\"Normal\">Theo <em>Wired<\/em>, m\u00f4 h\u00ecnh m\u1edbi c\u00f4ng b\u1ed1 gi\u00fap \u0111\u00e1nh gi\u00e1 l\u01b0\u1ee3ng b\u0103ng m\u00e0 Nam C\u1ef1c v\u00e0 Greenland \u0111ang m\u1ea5t \u0111i khi h\u00e0nh tinh n\u00f3ng l\u00ean. D\u1eef li\u1ec7u t\u1eeb c\u00e1c v\u1ec7 tinh c\u1ee7a NASA cho th\u1ea5y Nam C\u1ef1c \u0111\u00e3 m\u1ea5t kho\u1ea3ng 135 gigaton b\u0103ng m\u1ed7i n\u0103m trong giai \u0111o\u1ea1n t\u1eeb 2002-2025, trong khi Greenland m\u1ea5t 264 gigaton m\u1ed7i n\u0103m trong c\u00f9ng th\u1eddi k\u1ef3. C\u00e1c \u01b0\u1edbc t\u00ednh n\u00e0y s\u1ebd gi\u00fap x\u00e1c \u0111\u1ecbnh m\u1ef1c n\u01b0\u1edbc bi\u1ec3n \u0111\u00e3 d\u00e2ng l\u00ean bao nhi\u00eau v\u00e0 s\u1ebd ti\u1ebfp t\u1ee5c nh\u01b0 th\u1ebf n\u00e0o trong t\u01b0\u01a1ng lai.<\/p>\n<p class=\"Normal\"><strong>Nam Nguy\u1ec5n<\/strong><em> t\u1ed5ng h\u1ee3p<\/em><\/p>\n<div class=\"list_link\" data-component=\"true\" data-component-type=\"list_link\" data-component-value=\"5100073,5098658\" data-widget=\"obj\">\n<ul class=\"link_content ul-temp\">\n<li data-id=\"5100073\">Ngu\u1ed3n g\u1ed1c nh\u1eefng vi\u00ean kim c\u01b0\u01a1ng l\u1edbn nh\u1ea5t tr\u00ean Tr\u00e1i \u0110\u1ea5t<\/li>\n<li data-id=\"5098658\">L\u1ea7n \u0111\u1ea7u ph\u00e1t hi\u1ec7n kh\u00ed quy\u1ec3n tr\u00ean h\u00e0nh tinh \u0111\u00e1 gi\u1ed1ng Tr\u00e1i \u0110\u1ea5t<\/li>\n<\/ul>\n<\/div>\n<ul class=\"list-news hidden\" data-campaign=\"Box-Related\">\n<li data-id=\"5100073\">Ngu\u1ed3n g\u1ed1c nh\u1eefng vi\u00ean kim c\u01b0\u01a1ng l\u1edbn nh\u1ea5t tr\u00ean Tr\u00e1i \u0110\u1ea5t<\/li>\n<li data-id=\"5098658\">L\u1ea7n \u0111\u1ea7u ph\u00e1t hi\u1ec7n kh\u00ed quy\u1ec3n tr\u00ean h\u00e0nh tinh \u0111\u00e1 gi\u1ed1ng Tr\u00e1i \u0110\u1ea5t<\/li>\n<\/ul>\n<\/article>\n<hr>\n<p>https:\/\/vnexpress.net\/trai-dat-khong-tron-5103618.html<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tr\u00e1i \u0110\u1ea5t kh\u00f4ng tr\u00f2n NASA d\u1ef1ng m\u00f4 h\u00ecnh 3D t\u1eeb d\u1eef li\u1ec7u l\u1ef1c h\u1ea5p d\u1eabn c\u1ee7a h\u00e0nh tinh, cho th\u1ea5y r\u00f5 nh\u1eefng \u0111i\u1ec3m g\u1ed3 gh\u1ec1 v\u00e0 m\u1ea5t c\u00e2n \u0111\u1ed1i tr\u00ean b\u1ec1 m\u1eb7t \u0111\u1ecba c\u1ea7u. NASA v\u1eeba c\u00f4ng b\u1ed1 m\u1ed9t m\u00f4 h\u00ecnh bi\u1ec3u di\u1ec5n h\u00ecnh d\u1ea1ng c\u1ee7a Tr\u00e1i \u0110\u1ea5t d\u1ef1a tr\u00ean tr\u01b0\u1eddng h\u1ea5p d\u1eabn thay v\u00ec<\/p>\n","protected":false},"author":1,"featured_media":11796,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-11795","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghe"],"_links":{"self":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts\/11795","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=11795"}],"version-history":[{"count":0,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts\/11795\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/media\/11796"}],"wp:attachment":[{"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11795"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11795"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11795"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}