{"id":14887,"date":"2020-12-17T11:01:48","date_gmt":"2020-12-17T11:01:48","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=14887"},"modified":"2020-12-17T11:01:48","modified_gmt":"2020-12-17T11:01:48","slug":"hayabusa2-asteroid-ryugu-age-composition","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/space-science\/hayabusa2-asteroid-ryugu-age-composition\/","title":{"rendered":"Nhi\u1ec7m v\u1ee5 Hayabusa2 kh\u00e1m ph\u00e1 b\u00ed \u1ea9n c\u1ee7a ti\u1ec3u h\u00e0nh tinh Ryugu"},"content":{"rendered":"

Nhi\u1ec7m v\u1ee5 Hayabusa2 c\u1ee7a Nh\u1eadt B\u1ea3n: H\u00e9 l\u1ed9 b\u00ed \u1ea9n v\u1ec1 ti\u1ec3u h\u00e0nh tinh Ryugu<\/h2>\n\n

T\u1ea1o ra m\u1ed9t h\u1ed1 va ch\u1ea1m nh\u00e2n t\u1ea1o<\/h2>\n\n

V\u00e0o th\u00e1ng 4 n\u0103m 2019, t\u00e0u th\u0103m d\u00f2 kh\u00f4ng gian Hayabusa2 c\u1ee7a Nh\u1eadt B\u1ea3n \u0111\u00e3 t\u1ea1o n\u00ean l\u1ecbch s\u1eed khi t\u1ea1o ra m\u1ed9t h\u1ed1 va ch\u1ea1m nh\u00e2n t\u1ea1o tr\u00ean ti\u1ec3u h\u00e0nh tinh Ryugu. M\u1ee5c ti\u00eau c\u1ee7a nhi\u1ec7m v\u1ee5 n\u00e0y l\u00e0 t\u00ednh to\u00e1n tu\u1ed5i c\u1ee7a Ryugu v\u00e0 thu th\u1eadp th\u00f4ng tin chuy\u00ean s\u00e2u v\u1ec1 th\u00e0nh ph\u1ea7n c\u1ee7a ti\u1ec3u h\u00e0nh tinh n\u00e0y.<\/p>\n\n

T\u00e0u th\u0103m d\u00f2 \u0111\u00e3 ph\u00f3ng m\u1ed9t qu\u1ea3 c\u1ea7u \u0111\u1ed3ng n\u1eb7ng b\u1ed1n pound c\u00f3 t\u00ean l\u00e0 SCI (vi\u1ebft t\u1eaft c\u1ee7a Small Carry-on Impactor) v\u1ec1 ph\u00eda b\u1ec1 m\u1eb7t Ryugu v\u1edbi t\u1ed1c \u0111\u1ed9 \u0111\u00e1ng kinh ng\u1ea1c l\u00e0 4.500 d\u1eb7m\/gi\u1edd. V\u1ee5 va ch\u1ea1m \u0111\u00e3 t\u1ea1o ra m\u1ed9t h\u1ed1 va ch\u1ea1m c\u00f3 \u0111\u01b0\u1eddng k\u00ednh kho\u1ea3ng 47 feet, l\u1edbn h\u01a1n d\u1ef1 ki\u1ebfn.<\/p>\n\n

T\u00ednh to\u00e1n tu\u1ed5i c\u1ee7a Ryugu<\/h2>\n\n

C\u00e1c \u01b0\u1edbc t\u00ednh tr\u01b0\u1edbc \u0111\u00f3 cho r\u1eb1ng b\u1ec1 m\u1eb7t Ryugu c\u00f3 th\u1ec3 t\u1eeb h\u00e0ng tri\u1ec7u \u0111\u1ebfn h\u00e0ng tr\u0103m tri\u1ec7u n\u0103m tu\u1ed5i. Tuy nhi\u00ean, h\u1ed1 va ch\u1ea1m nh\u00e2n t\u1ea1o \u0111\u00e3 cung c\u1ea5p ph\u00e9p \u0111o ch\u00ednh x\u00e1c h\u01a1n.<\/p>\n\n

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 ph\u00e2n t\u00edch k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng c\u1ee7a h\u1ed1 va ch\u1ea1m, nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y ch\u1ecbu \u1ea3nh h\u01b0\u1edfng c\u1ee7a l\u1ef1c h\u1ea5p d\u1eabn c\u1ee7a ti\u1ec3u h\u00e0nh tinh v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1eadt li\u1ec7u b\u1ec1 m\u1eb7t (\u0111\u1ea5t \u0111\u00e1 v\u1ee5n) c\u1ee7a ti\u1ec3u h\u00e0nh tinh. S\u1eed d\u1ee5ng c\u00e1c d\u1eef li\u1ec7u n\u00e0y, h\u1ecd \u0111\u00e3 t\u00ednh to\u00e1n \u0111\u01b0\u1ee3c tu\u1ed5i b\u1ec1 m\u1eb7t c\u1ee7a Ryugu l\u00e0 t\u1eeb 6 \u0111\u1ebfn 11 tri\u1ec7u n\u0103m.<\/p>\n\n

S\u1ef1 h\u00ecnh th\u00e0nh h\u1ed1 va ch\u1ea1m trong \u0111i\u1ec1u ki\u1ec7n vi tr\u1ecdng l\u1ef1c<\/h2>\n\n

Nhi\u1ec7m v\u1ee5 Hayabusa2 l\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean s\u1ef1 h\u00ecnh th\u00e0nh h\u1ed1 va ch\u1ea1m \u0111\u01b0\u1ee3c quan s\u00e1t trong m\u00f4i tr\u01b0\u1eddng vi tr\u1ecdng l\u1ef1c. Kh\u00f4ng gi\u1ed1ng nh\u01b0 Tr\u00e1i \u0111\u1ea5t v\u1edbi l\u1ef1c h\u1ea5p d\u1eabn m\u1ea1nh, m\u00f4i tr\u01b0\u1eddng vi tr\u1ecdng l\u1ef1c c\u1ee7a Ryugu \u0111\u00e3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a h\u1ed1 va ch\u1ea1m.<\/p>\n\n

K\u00edch th\u01b0\u1edbc kh\u1ed5ng l\u1ed3 v\u00e0 h\u00ecnh b\u00e1n nguy\u1ec7t c\u1ee7a h\u1ed1 va ch\u1ea1m cho th\u1ea5y Ryugu c\u00f3 m\u1ed9t l\u1edbp b\u1ec1 m\u1eb7t t\u01a1i x\u1ed1p bao ph\u1ee7 m\u1ed9t l\u00f5i \u0111\u1eb7c h\u01a1n. Ph\u00e1t hi\u1ec7n n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c b\u1eb1ng ch\u1ee9ng g\u1ea7n \u0111\u00e2y tr\u00ean t\u1ea1p ch\u00ed Nature, trong \u0111\u00f3 ch\u1ec9 ra r\u1eb1ng Ryugu ch\u1ee7 y\u1ebfu bao g\u1ed3m c\u00e1t k\u1ebft h\u1ee3p l\u1ecfng l\u1ebbo ch\u1ee9 kh\u00f4ng ph\u1ea3i \u0111\u00e1 r\u1eafn.<\/p>\n\n

Th\u00e0nh ph\u1ea7n v\u00e0 s\u1ef1 ti\u1ebfn h\u00f3a c\u1ee7a ti\u1ec3u h\u00e0nh tinh<\/h2>\n\n

M\u1eb7c d\u00f9 b\u1ec1 m\u1eb7t c\u1ee7a Ryugu d\u01b0\u1eddng nh\u01b0 t\u01b0\u01a1ng \u0111\u1ed1i tr\u1ebb, nh\u01b0ng b\u1ea3n th\u00e2n ti\u1ec3u h\u00e0nh tinh n\u00e0y c\u00f3 th\u1ec3 gi\u00e0 h\u01a1n nhi\u1ec1u. H\u1ea7u h\u1ebft c\u00e1c ti\u1ec3u h\u00e0nh tinh c\u00f3 k\u00edch th\u01b0\u1edbc t\u01b0\u01a1ng t\u1ef1 \u0111\u01b0\u1ee3c \u01b0\u1edbc t\u00ednh c\u00f3 ni\u00ean \u0111\u1ea1i kho\u1ea3ng 100 tri\u1ec7u n\u0103m.<\/p>\n\n

Tuy nhi\u00ean, t\u1ed1c \u0111\u1ed9 quay nhanh c\u1ee7a Ryugu c\u00f3 th\u1ec3 \u0111\u00e3 x\u00f3i m\u00f2n c\u00e1c h\u1ed1 va ch\u1ea1m c\u0169 v\u00e0 \u0111\u1eb7t l\u1ea1i \u0111\u1ed9 tu\u1ed5i bi\u1ec3u ki\u1ebfn c\u1ee7a b\u1ec1 m\u1eb7t. C\u00e1c tr\u1eadn l\u1edf \u0111\u1ea5t m\u00e0 Hayabusa2 quan s\u00e1t \u0111\u01b0\u1ee3c ch\u1ec9 ra r\u1eb1ng ti\u1ec3u h\u00e0nh tinh n\u00e0y c\u00f3 th\u1ec3 \u0111\u00e3 gi\u1ea3m t\u1ed1c t\u1eeb t\u1ed1c \u0111\u1ed9 quay cao h\u01a1n trong qu\u00e1 kh\u1ee9.<\/p>\n\n

S\u1ef1 tr\u1edf v\u1ec1 c\u1ee7a Hayabusa2 v\u00e0 c\u00e1c nghi\u00ean c\u1ee9u trong t\u01b0\u01a1ng lai<\/h2>\n\n

Hayabusa2 \u0111\u00e3 r\u1eddi Ryugu v\u00e0o th\u00e1ng 11 n\u0103m 2019, mang theo c\u00e1c m\u1eabu v\u1eadt t\u1eeb trung t\u00e2m h\u1ed1 va ch\u1ea1m. C\u00e1c nh\u00e0 khoa h\u1ecdc s\u1ebd ph\u00e2n t\u00edch c\u00e1c m\u1eabu v\u1eadt n\u00e0y \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc h\u01a1n v\u1ec1 th\u00e0nh ph\u1ea7n v\u00e0 l\u1ecbch s\u1eed c\u1ee7a Ryugu.<\/p>\n\n

Nhi\u1ec7m v\u1ee5 Hayabusa2 \u0111\u00e3 cung c\u1ea5p nh\u1eefng th\u00f4ng tin v\u00f4 gi\u00e1 v\u1ec1 ho\u1ea1t \u0111\u1ed9ng th\u00e1m hi\u1ec3m ti\u1ec3u h\u00e0nh tinh v\u00e0 qu\u00e1 tr\u00ecnh ti\u1ebfn h\u00f3a c\u1ee7a nh\u1eefng thi\u00ean th\u1ec3 n\u00e0y. C\u00e1c nghi\u00ean c\u1ee9u trong t\u01b0\u01a1ng lai s\u1ebd ti\u1ebfp t\u1ee5c kh\u00e1m ph\u00e1 nh\u1eefng b\u00ed \u1ea9n c\u1ee7a Ryugu v\u00e0 c\u00e1c ti\u1ec3u h\u00e0nh tinh kh\u00e1c trong h\u1ec7 M\u1eb7t tr\u1eddi c\u1ee7a ch\u00fang ta.<\/p>","protected":false},"excerpt":{"rendered":"

Nhi\u1ec7m v\u1ee5 Hayabusa2 c\u1ee7a Nh\u1eadt B\u1ea3n: H\u00e9 l\u1ed9 b\u00ed \u1ea9n v\u1ec1 ti\u1ec3u h\u00e0nh tinh Ryugu T\u1ea1o ra m\u1ed9t h\u1ed1 va ch\u1ea1m nh\u00e2n t\u1ea1o V\u00e0o th\u00e1ng 4 n\u0103m 2019, t\u00e0u th\u0103m…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[476],"tags":[19910,434,1445,19911,19912,6166],"class_list":["post-14887","post","type-post","status-publish","format-standard","hentry","category-space-science","tag-hayabusa2","tag-space-exploration","tag-microgravity","tag-crater-formation","tag-asteroid-composition","tag-asteroid"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/14887","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=14887"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/14887\/revisions"}],"predecessor-version":[{"id":14888,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/14887\/revisions\/14888"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=14887"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=14887"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=14887"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}