{"id":16147,"date":"2021-10-26T13:32:36","date_gmt":"2021-10-26T13:32:36","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=16147"},"modified":"2021-10-26T13:32:36","modified_gmt":"2021-10-26T13:32:36","slug":"asteroid-bennu-close-encounter-earth-2182","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/astronomy\/asteroid-bennu-close-encounter-earth-2182\/","title":{"rendered":"Ti\u1ec3u h\u00e0nh tinh Bennu: G\u1eb7p g\u1ee1 g\u1ea7n Tr\u00e1i \u0111\u1ea5t v\u00e0o n\u0103m 2182"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Ti\u1ec3u h\u00e0nh tinh Bennu: G\u1eb7p g\u1ee1 g\u1ea7n Tr\u00e1i \u0111\u1ea5t v\u00e0o n\u0103m 2182<\/h2>\n\n<h2 class=\"wp-block-heading\">Ti\u1ec3u h\u00e0nh tinh Bennu<\/h2>\n\n<p>Ti\u1ec3u h\u00e0nh tinh Bennu, m\u1ed9t thi\u00ean th\u1ec3 r\u1ed9ng n\u1eeda d\u1eb7m, hi\u1ec7n c\u00e1ch Tr\u00e1i \u0111\u1ea5t kho\u1ea3ng 190 tri\u1ec7u d\u1eb7m. C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 t\u00ednh to\u00e1n r\u1eb1ng Bennu s\u1ebd ti\u1ebfp c\u1eadn g\u1ea7n h\u00e0nh tinh c\u1ee7a ch\u00fang ta v\u00e0o ng\u00e0y 24 th\u00e1ng 9 n\u0103m 2182.<\/p>\n\n<h2 class=\"wp-block-heading\">X\u00e1c su\u1ea5t va ch\u1ea1m<\/h2>\n\n<p>M\u1eb7c d\u00f9 kh\u1ea3 n\u0103ng r\u1ea5t th\u1ea5p, nh\u01b0ng v\u1eabn c\u00f3 kh\u1ea3 n\u0103ng Bennu c\u00f3 th\u1ec3 va ch\u1ea1m v\u1edbi Tr\u00e1i \u0111\u1ea5t. C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u01b0a ra t\u1ef7 l\u1ec7 va ch\u1ea1m l\u00e0 m\u1ed9t tr\u00ean 1.175 (0,0037%).<\/p>\n\n<h2 class=\"wp-block-heading\">C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u1ef9 \u0111\u1ea1o c\u1ee7a Bennu<\/h2>\n\n<p>Qu\u1ef9 \u0111\u1ea1o c\u1ee7a ti\u1ec3u h\u00e0nh tinh c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec1u y\u1ebfu t\u1ed1, bao g\u1ed3m:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>M\u1ed9t l\u1ea7n bay g\u1ea7n v\u00e0o n\u0103m 2135<\/li>\n<li>L\u1ef1c h\u1ea5p d\u1eabn t\u1eeb M\u1eb7t tr\u1eddi, Tr\u00e1i \u0111\u1ea5t v\u00e0 M\u1eb7t tr\u0103ng<\/li>\n<li>Hi\u1ec7u \u1ee9ng Yarkovsky, trong \u0111\u00f3 c\u00e1c ti\u1ec3u h\u00e0nh tinh t\u0103ng t\u1ed1c sau khi h\u1ea5p th\u1ee5 nhi\u1ec7t t\u1eeb M\u1eb7t tr\u1eddi<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">L\u1ed7 kh\u00f3a h\u1ea5p d\u1eabn<\/h2>\n\n<p>Khi Bennu lao qua Tr\u00e1i \u0111\u1ea5t v\u00e0o n\u0103m 2135, n\u00f3 s\u1ebd \u0111i qua m\u1ed9t l\u1ed7 kh\u00f3a h\u1ea5p d\u1eabn c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i qu\u1ef9 \u0111\u1ea1o c\u1ee7a n\u00f3 v\u00e0 \u0111\u01b0a n\u00f3 v\u00e0o l\u1ed9 tr\u00ecnh va ch\u1ea1m v\u1edbi h\u00e0nh tinh c\u1ee7a ch\u00fang ta.<\/p>\n\n<h2 class=\"wp-block-heading\">H\u1eadu qu\u1ea3 va ch\u1ea1m ti\u1ec1m t\u00e0ng<\/h2>\n\n<p>N\u1ebfu Bennu va ch\u1ea1m v\u1edbi Tr\u00e1i \u0111\u1ea5t, n\u00f3 c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed9t h\u1ed1 va ch\u1ea1m c\u00f3 \u0111\u01b0\u1eddng k\u00ednh \u00edt nh\u1ea5t n\u0103m km, v\u1edbi di\u1ec7n t\u00edch t\u00e0n ph\u00e1 m\u1edf r\u1ed9ng g\u1ea5p 100 l\u1ea7n k\u00edch th\u01b0\u1edbc \u0111\u00f3. M\u1ed9t v\u1ee5 va ch\u1ea1m v\u00e0o c\u00e1c ti\u1ec3u bang B\u1edd \u0110\u00f4ng c\u00f3 th\u1ec3 g\u00e2y ra h\u1eadu qu\u1ea3 th\u1ea3m kh\u1ed1c cho to\u00e0n b\u1ed9 b\u1edd bi\u1ec3n.<\/p>\n\n<h2 class=\"wp-block-heading\">Ph\u00f2ng v\u1ec7 h\u00e0nh tinh<\/h2>\n\n<p>C\u00e1c nh\u00e0 khoa h\u1ecdc nh\u1ea5n m\u1ea1nh r\u1eb1ng hi\u1ec7n t\u1ea1i kh\u00f4ng c\u00f3 l\u00fd do g\u00ec \u0111\u1ec3 lo ng\u1ea1i. V\u1ee5 va ch\u1ea1m ti\u1ec1m t\u00e0ng v\u1eabn c\u00f2n c\u00e1ch 161 n\u0103m n\u1eefa, \u0111\u1ee7 th\u1eddi gian \u0111\u1ec3 theo d\u00f5i v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p gi\u1ea3m thi\u1ec3u ti\u1ec1m n\u0103ng.<\/p>\n\n<h2 class=\"wp-block-heading\">T\u00e0u v\u0169 tr\u1ee5 OSIRIS-REx<\/h2>\n\n<p>T\u00e0u v\u0169 tr\u1ee5 OSIRIS-REx c\u1ee7a NASA \u0111\u00e3 h\u1ea1 c\u00e1nh xu\u1ed1ng Bennu v\u00e0o n\u0103m 2018 v\u00e0 thu th\u1eadp d\u1eef li\u1ec7u c\u00f3 gi\u00e1 tr\u1ecb gi\u00fap c\u00e1c nh\u00e0 khoa h\u1ecdc tinh ch\u1ec9nh c\u00e1c t\u00ednh to\u00e1n c\u1ee7a h\u1ecd v\u1ec1 m\u1ed1i \u0111e d\u1ecda c\u1ee7a ti\u1ec3u h\u00e0nh tinh \u0111\u1ed1i v\u1edbi Tr\u00e1i \u0111\u1ea5t.<\/p>\n\n<h2 class=\"wp-block-heading\">Gi\u00e1m s\u00e1t li\u00ean t\u1ee5c<\/h2>\n\n<p>C\u00e1c nh\u00e0 khoa h\u1ecdc v\u1eabn \u0111ang theo d\u00f5i ch\u1eb7t ch\u1ebd qu\u1ef9 \u0111\u1ea1o c\u1ee7a Bennu. H\u1ecd s\u1ebd s\u1eed d\u1ee5ng th\u00f4ng tin n\u00e0y \u0111\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t v\u1ec1 c\u00e1c chi\u1ebfn l\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u thi\u1ec7t h\u1ea1i ti\u1ec1m \u1ea9n n\u1ebfu c\u1ea7n thi\u1ebft.<\/p>\n\n<h2 class=\"wp-block-heading\">H\u1ee3p t\u00e1c qu\u1ed1c t\u1ebf<\/h2>\n\n<p>Nh\u1eefng n\u1ed7 l\u1ef1c qu\u1ed1c t\u1ebf \u0111ang \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh \u0111\u1ec3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro do c\u00e1c v\u1eadt th\u1ec3 g\u1ea7n Tr\u00e1i \u0111\u1ea5t nh\u01b0 Bennu g\u00e2y ra. C\u00e1c nh\u00e0 khoa h\u1ecdc v\u00e0 k\u1ef9 s\u01b0 tr\u00ean kh\u1eafp th\u1ebf gi\u1edbi \u0111ang h\u1ee3p t\u00e1c nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c c\u00f4ng ngh\u1ec7 \u0111\u1ec3 l\u00e0m ch\u1ec7ch h\u01b0\u1edbng ho\u1eb7c ph\u00e1 h\u1ee7y c\u00e1c ti\u1ec3u h\u00e0nh tinh g\u00e2y ra m\u1ed1i \u0111e d\u1ecda cho h\u00e0nh tinh c\u1ee7a ch\u00fang ta.<\/p>\n\n<h2 class=\"wp-block-heading\">H\u1ec7 qu\u1ea3 l\u00e2u d\u00e0i<\/h2>\n\n<p>T\u00e1c \u0111\u1ed9ng ti\u1ec1m t\u00e0ng c\u1ee7a Bennu l\u00e0 l\u1eddi nh\u1eafc nh\u1edf v\u1ec1 t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c ph\u00f2ng v\u1ec7 h\u00e0nh tinh. B\u1eb1ng c\u00e1ch hi\u1ec3u \u0111\u01b0\u1ee3c r\u1ee7i ro do c\u00e1c ti\u1ec3u h\u00e0nh tinh g\u00e2y ra v\u00e0 \u0111\u1ea7u t\u01b0 v\u00e0o nghi\u00ean c\u1ee9u c\u0169ng nh\u01b0 c\u00e1c bi\u1ec7n ph\u00e1p gi\u1ea3m thi\u1ec3u, ch\u00fang ta c\u00f3 th\u1ec3 gi\u00fap \u0111\u1ea3m b\u1ea3o an to\u00e0n cho h\u00e0nh tinh v\u00e0 c\u00e1c th\u1ebf h\u1ec7 t\u01b0\u01a1ng lai c\u1ee7a ch\u00fang ta.<\/p>","protected":false},"excerpt":{"rendered":"<p>Ti\u1ec3u h\u00e0nh tinh Bennu: G\u1eb7p g\u1ee1 g\u1ea7n Tr\u00e1i \u0111\u1ea5t v\u00e0o n\u0103m 2182 Ti\u1ec3u h\u00e0nh tinh Bennu Ti\u1ec3u h\u00e0nh tinh Bennu, m\u1ed9t thi\u00ean th\u1ec3 r\u1ed9ng n\u1eeda d\u1eb7m, hi\u1ec7n c\u00e1ch Tr\u00e1i \u0111\u1ea5t&hellip;<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[437],"tags":[434,21424,21425,17652],"class_list":["post-16147","post","type-post","status-publish","format-standard","hentry","category-astronomy","tag-space-exploration","tag-near-earth-objects","tag-planetary-defense","tag-asteroid-bennu"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/16147","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=16147"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/16147\/revisions"}],"predecessor-version":[{"id":16148,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/16147\/revisions\/16148"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=16147"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=16147"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=16147"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}