{"id":28645,"date":"2019-02-24T19:46:00","date_gmt":"2019-02-24T12:46:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=28645"},"modified":"2021-10-03T19:47:35","modified_gmt":"2021-10-03T12:47:35","slug":"phat-hien-tang-khi-quyen-trai-dat-vo-hinh-cham-den-mat-trang","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/phat-hien-tang-khi-quyen-trai-dat-vo-hinh-cham-den-mat-trang\/","title":{"rendered":"Ph\u00e1t hi\u1ec7n t\u1ea7ng kh\u00ed quy\u1ec3n tr\u00e1i \u0111\u1ea5t v\u00f4 h\u00ecnh ch\u1ea1m \u0111\u1ebfn m\u1eb7t tr\u0103ng"},"content":{"rendered":"\n

Tr\u00e1i \u0111\u1ea5t kh\u00f4ng gi\u1edbi h\u1ea1n \u1edf qu\u1ea3 c\u1ea7u xanh bao b\u1ecdc b\u1edfi b\u1ea7u kh\u00ed quy\u1ec3n d\u00e0y 10.000 km. Ph\u00e1t hi\u1ec7n m\u1edbi cho th\u1ea5y h\u00e0nh tinh ch\u00fang ta c\u00f2n s\u1edf h\u1eefu m\u1ed9t t\u1ea7ng kh\u00ed quy\u1ec3n v\u00f4 h\u00ecnh v\u00e0 kh\u1ed5ng l\u1ed3 kh\u00e1c.<\/h2>\n\n\n\n

M\u1ed9t nghi\u00ean c\u1ee9u v\u1eeba \u0111\u0103ng t\u1ea3i tr\u00ean t\u1ea1p ch\u00ed JGR Space Physics <\/em>do c\u00e1c chuy\u00ean gia \u0111\u1ebfn t\u1eeb \u0110\u00e0i quan s\u00e1t M\u1eb7t tr\u1eddi v\u00e0 v\u00f2ng xo\u1eafn \u1ed1c (SOHO) th\u1ef1c hi\u1ec7n cho th\u1ea5y b\u1ea7u kh\u00ed quy\u1ec3n tr\u00e1i \u0111\u1ea5t<\/a> l\u1edbn h\u01a1n hi\u1ec3u bi\u1ebft tr\u01b0\u1edbc \u0111\u00e2y r\u1ea5t nhi\u1ec1u.<\/p>\n\n\n\n

\"Ph\u00e1t<\/figure>\n\n\n\n

H\u00ecnh \u1ea3nh hi\u1ebfm hoi c\u1ee7a geocorona \u0111\u01b0\u1ee3c t\u00e0u Apollo 16 ch\u1ee5p t\u1eeb n\u0103m 1972. Nh\u01b0ng “ch\u00e2n t\u01b0\u1edbng” th\u1ef1c s\u1ef1 c\u1ee7a v\u00f9ng kh\u00ed quy\u1ec3n b\u00ed \u1ea9n n\u00e0y ch\u1ec9 m\u1edbi \u0111\u01b0\u1ee3c kh\u00e1m ph\u00e1 – \u1ea3nh: NASA<\/p>\n\n\n\n

Tr\u01b0\u1edbc \u0111\u00e2y, t\u1ea7ng ngo\u00e0i (exophere) \u1edf \u0111\u1ed9 cao 700-10.000 km \u0111\u01b0\u1ee3c cho l\u00e0 t\u1ea7ng ngo\u00e0i c\u00f9ng c\u1ee7a b\u1ea7u kh\u00ed quy\u1ec3n tr\u00e1i \u0111\u1ea5t<\/a>, xa h\u01a1n n\u1eefa l\u00e0 ph\u1ea7n ch\u00e2n kh\u00f4ng thu\u1ed9c kh\u00f4ng gian li\u00ean sao. Tuy nhi\u00ean, nghi\u00ean c\u1ee9u ban \u0111\u1ea7u cho th\u1ea5y tr\u00e1i \u0111\u1ea5t c\u00f2n s\u1edf h\u1eefu m\u1ed9t t\u1ea7ng kh\u00ed quy\u1ec3n n\u1eefa v\u00e0 \u01b0\u1edbc t\u00ednh n\u00f3 to \u0111\u1ebfn m\u1ee9c ch\u1ea1m \u0111\u1ebfn m\u1eb7t tr\u0103ng, v\u1eadt th\u1ec3 c\u00f3 kho\u1ea3ng c\u00e1ch trung b\u00ecnh v\u1edbi tr\u00e1i \u0111\u1ea5t l\u00ean t\u1edbi 384.403 km.<\/p>\n\n\n\n

T\u1ea7ng ngo\u00e0i c\u00f9ng m\u1edbi n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 geocorona, l\u00e0 m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c nguy\u00ean t\u1eed hydro th\u01b0a th\u1edbt, r\u00e0ng bu\u1ed9c l\u1ecfng l\u1ebbo v\u1edbi tr\u1ecdng l\u1ef1c c\u1ee7a h\u00e0nh tinh ch\u00fang ta. Tuy n\u00f3 mong manh \u0111\u1ebfn n\u1ed7i t\u1eebng \u0111\u01b0\u1ee3c ngh\u0129 l\u00e0 v\u00f9ng ch\u00e2n kh\u00f4ng nh\u01b0ng n\u00f3 c\u0169ng \u0111\u1ee7 g\u00e2y n\u00ean nh\u1eefng t\u00edn hi\u1ec7u l\u1ea1 m\u00e0 k\u00ednh vi\u1ec5n v\u1ecdng c\u1ef1c t\u00edm \u0111\u00e3 n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n

B\u01b0\u1edbc ti\u1ebfp theo c\u1ee7a nghi\u00ean c\u1ee9u, nh\u00f3m khoa h\u1ecdc gia \u0111\u00e3 t\u1eadp h\u1ee3p l\u1ea1i c\u00e1c d\u1eef li\u1ec7u t\u1eeb th\u1eadp ni\u00ean 90 c\u1ee7a th\u1ebf k\u1ef7 tr\u01b0\u1edbc \u0111\u1ebfn nay v\u00e0 t\u00ednh to\u00e1n \u0111\u01b0\u1ee3c geocorona c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng t\u1edbi khu v\u1ef1c 630.000 km k\u1ec3 t\u1eeb b\u1ec1 m\u1eb7t h\u00e0nh tinh, t\u1ee9c bao b\u1ecdc c\u1ea3 m\u1eb7t tr\u0103ng v\u00e0 m\u1ed9t ph\u1ea7n kh\u00f4ng gian xa quanh qu\u1ef9 \u0111\u1ea1o c\u1ee7a n\u00f3, to h\u01a1n \u01b0\u1edbc t\u00ednh ban \u0111\u1ea7u r\u1ea5t nhi\u1ec1u.<\/p>\n\n\n\n

M\u1ed9t trong nh\u1eefng l\u00fd do khi\u1ebfn geocorona kh\u00f3 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u00ec r\u1ea5t kh\u00f3 \u0111\u1ec3 t\u00ecm ra m\u1ed9t n\u01a1i thu\u1eadn l\u1ee3i \u0111\u1ec3 quan s\u00e1t. T\u1eeb b\u1ec1 m\u1eb7t tr\u00e1i \u0111\u1ea5t v\u00e0 th\u1eadm ch\u00ed t\u1eeb qu\u1ef9 \u0111\u1ea1o th\u1ea5p m\u00e0 nhi\u1ec1u t\u00e0u v\u0169 tr\u1ee5 bay quanh tr\u00e1i \u0111\u1ea5t, geocorona \u00edt nhi\u1ec1u v\u00f4 h\u00ecnh.<\/p>\n\n\n\n

A. Th\u01b0 (Theo Live Science)<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Tr\u00e1i \u0111\u1ea5t kh\u00f4ng gi\u1edbi h\u1ea1n \u1edf qu\u1ea3 c\u1ea7u xanh bao b\u1ecdc b\u1edfi b\u1ea7u kh\u00ed quy\u1ec3n d\u00e0y 10.000 km. Ph\u00e1t hi\u1ec7n m\u1edbi cho th\u1ea5y h\u00e0nh tinh ch\u00fang ta c\u00f2n s\u1edf h\u1eefu m\u1ed9t t\u1ea7ng kh\u00ed quy\u1ec3n v\u00f4 h\u00ecnh v\u00e0 kh\u1ed5ng l\u1ed3 kh\u00e1c. M\u1ed9t nghi\u00ean c\u1ee9u v\u1eeba \u0111\u0103ng t\u1ea3i tr\u00ean t\u1ea1p ch\u00ed JGR Space Physics do c\u00e1c chuy\u00ean gia \u0111\u1ebfn […]<\/p>\n","protected":false},"author":17,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-28645","post","type-post","status-publish","format-standard","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28645","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=28645"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28645\/revisions"}],"predecessor-version":[{"id":28646,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28645\/revisions\/28646"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=28645"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=28645"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=28645"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}