{"id":15525,"date":"2020-03-23T03:42:17","date_gmt":"2020-03-23T03:42:17","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=15525"},"modified":"2020-03-23T03:42:17","modified_gmt":"2020-03-23T03:42:17","slug":"nasa-quest-for-a-better-martian-parachute","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/space-exploration\/nasa-quest-for-a-better-martian-parachute\/","title":{"rendered":"S\u1ee9 m\u1ec7nh t\u00ecm ki\u1ebfm d\u00f9 sao H\u1ecfa t\u1ed1t h\u01a1n c\u1ee7a NASA"},"content":{"rendered":"

Nhi\u1ec7m v\u1ee5 t\u00ecm ki\u1ebfm d\u00f9 sao H\u1ecfa c\u1ee7a NASA<\/h2>\n\n

Th\u00e1ch th\u1ee9c trong vi\u1ec7c h\u1ea1 c\u00e1nh tr\u00ean sao H\u1ecfa<\/h2>\n\n

M\u1ee5c ti\u00eau \u0111\u1ea7y tham v\u1ecdng c\u1ee7a NASA l\u00e0 \u0111\u01b0a t\u00e0u v\u0169 tr\u1ee5 h\u1ea1ng n\u1eb7ng l\u00ean sao H\u1ecfa \u0111ang ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi m\u1ed9t th\u00e1ch th\u1ee9c quan tr\u1ecdng: l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 gi\u1ea3m t\u1ed1c \u0111\u1ed9 v\u00e0 h\u1ea1 c\u00e1nh an to\u00e0n xu\u1ed1ng b\u1ea7u kh\u00ed quy\u1ec3n m\u1ecfng c\u1ee7a h\u00e0nh tinh n\u00e0y. Xu\u1ea5t hi\u1ec7n H\u1ed9i \u0111\u1ed3ng chuy\u00ean gia d\u00f9 t\u1ed1i cao (SCOPE), m\u1ed9t nh\u00f3m g\u1ed3m 60 nh\u00e0 khoa h\u1ecdc v\u00e0 k\u1ef9 s\u01b0 chuy\u00ean thi\u1ebft k\u1ebf d\u00f9 sao H\u1ecfa t\u1ed1t h\u01a1n.<\/p>\n\n

L\u1ecbch s\u1eed nh\u1eefng l\u1ea7n d\u00f9 h\u1ecfng<\/h2>\n\n

N\u1ed7 l\u1ef1c \u0111\u1ea7u ti\u00ean tri\u1ec3n khai d\u00f9 si\u00eau thanh c\u1ee7a NASA \u0111\u1ec3 h\u1ea1 c\u00e1nh sao H\u1ecfa, Thi\u1ebft b\u1ecb gi\u1ea3m t\u1ed1c si\u00eau thanh m\u1eadt \u0111\u1ed9 th\u1ea5p (LDSD), \u0111\u00e3 k\u1ebft th\u00fac trong th\u1ea5t b\u1ea1i. Chi\u1ebfc d\u00f9 th\u1eed nghi\u1ec7m d\u00e0i 100 foot b\u1ecb nghi\u00eang, l\u1eafc v\u00e0 r\u00e1ch ngay tr\u01b0\u1edbc m\u1eaft c\u00e1c nh\u00e0 khoa h\u1ecdc. Ph\u00e2n t\u00edch c\u1ea3nh quay \u0111\u00e3 ti\u1ebft l\u1ed9 c\u00e1c v\u1ea5n \u0111\u1ec1 tri\u1ec3n khai \u0111\u00e3 t\u1eebng l\u00e0m phi\u1ec1n nh\u1eefng chi\u1ebfc d\u00f9 si\u00eau thanh trong nhi\u1ec1u th\u1eadp k\u1ef7.<\/p>\n\n

H\u1ed9i \u0111\u1ed3ng chuy\u00ean gia d\u00f9 t\u1ed1i cao<\/h2>\n\n

B\u1ea5t ch\u1ea5p nh\u1eefng th\u1ea5t b\u1ea1i, NASA \u0111\u00e3 th\u00e0nh l\u1eadp SCOPE \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1. Nh\u00f3m \u0111\u00e3 ph\u00e2n t\u00edch d\u1eef li\u1ec7u, \u0111\u01b0a ra nh\u1eefng gi\u1ea3i ph\u00e1p c\u1ea3i ti\u1ebfn v\u00e0 xem l\u1ea1i c\u00e1c c\u1ea3nh quay th\u1eed nghi\u1ec7m d\u00f9 c\u0169 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 c\u1ee7a nh\u1eefng l\u1ea7n h\u1ecfng h\u00f3c. H\u1ecd k\u1ebft lu\u1eadn r\u1eb1ng th\u1eed nghi\u1ec7m LDSD \u0111\u1ea7u ti\u00ean b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi thi\u1ebft k\u1ebf t\u00f9y ti\u1ec7n v\u00e0 k\u1ef9 thu\u1eadt tri\u1ec3n khai k\u00e9m.<\/p>\n\n

Chi\u1ebfn l\u01b0\u1ee3c thi\u1ebft k\u1ebf m\u1edbi<\/h2>\n\n

SCOPE \u0111\u00e3 \u0111\u1ec1 xu\u1ea5t thay \u0111\u1ed5i tri\u1ec7t \u0111\u1ec3 trong thi\u1ebft k\u1ebf v\u00e0 tr\u00ecnh t\u1ef1 tri\u1ec3n khai d\u00f9. M\u1ee5c ti\u00eau c\u1ee7a h\u1ecd l\u00e0 l\u00e0m cho l\u1ea7n tri\u1ec3n khai ti\u1ebfp theo kh\u00e1c bi\u1ec7t nh\u1ea5t c\u00f3 th\u1ec3 so v\u1edbi nhi\u1ec7m v\u1ee5 th\u1ea5t b\u1ea1i v\u00e0o n\u0103m 2014. Ngo\u00e0i ra, h\u1ecd \u01b0u ti\u00ean \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 cao v\u00e0 l\u1ef1c t\u00e1c \u0111\u1ed9ng trong kh\u00f4ng gian.<\/p>\n\n

Th\u1eed nghi\u1ec7m tr\u00ean xe tr\u01b0\u1ee3t t\u00ean l\u1eeda<\/h2>\n\n

\u0110\u1ec3 m\u00f4 ph\u1ecfng c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t c\u1ee7a kh\u00f4ng gian, NASA \u0111\u00e3 s\u1eed d\u1ee5ng xe tr\u01b0\u1ee3t t\u00ean l\u1eeda \u0111\u1ec3 th\u1eed nghi\u1ec7m v\u00e0 tinh ch\u1ec9nh thi\u1ebft k\u1ebf d\u00f9 m\u1edbi. Nh\u1eefng chi\u1ebfc xe tr\u01b0\u1ee3t n\u00e0y \u0111\u1ea9y d\u00f9 v\u1edbi t\u1ed1c \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi t\u1ed1c \u0111\u1ed9 trong qu\u00e1 tr\u00ecnh gi\u1ea3m t\u1ed1c \u0111\u1ed9 si\u00eau thanh. Nh\u1eefng ph\u00e1t hi\u1ec7n t\u1eeb c\u00e1c th\u1eed nghi\u1ec7m n\u00e0y \u0111\u00e3 cung c\u1ea5p nh\u1eefng hi\u1ec3u bi\u1ebft c\u00f3 gi\u00e1 tr\u1ecb \u0111\u1ec3 c\u1ea3i thi\u1ec7n th\u00eam.<\/p>\n\n

Th\u1eed nghi\u1ec7m LDSD s\u1eafp t\u1edbi<\/h2>\n\n

V\u00e0o ng\u00e0y 2 th\u00e1ng 6, NASA s\u1ebd ph\u00f3ng th\u1eed nghi\u1ec7m LDSD ti\u1ebfp theo v\u1edbi m\u1ed9t chi\u1ebfc d\u00f9 m\u1edbi \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf. Nh\u00f3m nghi\u00ean c\u1ee9u th\u1eadn tr\u1ecdng l\u1ea1c quan, nh\u01b0ng h\u1ecd bi\u1ebft r\u1eb1ng th\u00e0nh c\u00f4ng c\u1ee7a s\u1ee9 m\u1ec7nh n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi ho\u1ea1t \u0111\u1ed9ng th\u00e1m hi\u1ec3m sao H\u1ecfa trong t\u01b0\u01a1ng lai. N\u1ebfu d\u00f9 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 mong \u0111\u1ee3i, n\u00f3 s\u1ebd m\u1edf \u0111\u01b0\u1eddng cho vi\u1ec7c h\u1ea1 c\u00e1nh t\u00e0u v\u0169 tr\u1ee5 h\u1ea1ng n\u1eb7ng h\u01a1n l\u00ean H\u00e0nh tinh \u0110\u1ecf.<\/p>\n\n

H\u1ee3p t\u00e1c v\u00e0 \u0111\u1ed5i m\u1edbi<\/h2>\n\n

Ho\u1ea1t \u0111\u1ed9ng ph\u00e1t tri\u1ec3n d\u00f9 sao H\u1ecfa t\u1ed1t h\u01a1n l\u00e0 minh ch\u1ee9ng cho s\u1ee9c m\u1ea1nh c\u1ee7a s\u1ef1 h\u1ee3p t\u00e1c v\u00e0 \u0111\u1ed5i m\u1edbi. SCOPE \u0111\u00e3 t\u1eadp h\u1ee3p c\u00e1c chuy\u00ean gia t\u1eeb nhi\u1ec1u l\u0129nh v\u1ef1c, th\u00fac \u0111\u1ea9y m\u1ed9t m\u00f4i tr\u01b0\u1eddng s\u00e1ng t\u1ea1o v\u00e0 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1. C\u00f4ng tr\u00ecnh c\u1ee7a h\u1ecd nh\u1ea5n m\u1ea1nh t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c h\u1ecdc h\u1ecfi t\u1eeb nh\u1eefng th\u1ea5t b\u1ea1i, ti\u1ebfp thu nh\u1eefng \u00fd t\u01b0\u1edfng m\u1edbi v\u00e0 v\u01b0\u1ee3t qua ranh gi\u1edbi c\u1ee7a k\u1ef9 thu\u1eadt.<\/p>\n\n

Theo \u0111u\u1ed5i d\u00f9 t\u1ed1t h\u01a1n<\/h2>\n\n

Nhi\u1ec7m v\u1ee5 t\u00ecm ki\u1ebfm d\u00f9 sao H\u1ecfa t\u1ed1t h\u01a1n c\u1ee7a NASA l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh li\u00ean t\u1ee5c. C\u01a1 quan n\u00e0y li\u00ean t\u1ee5c tinh ch\u1ec9nh thi\u1ebft k\u1ebf, ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u. M\u1ee5c ti\u00eau cu\u1ed1i c\u00f9ng l\u00e0 t\u1ea1o ra m\u1ed9t h\u1ec7 th\u1ed1ng d\u00f9 c\u00f3 th\u1ec3 h\u1ea1 c\u00e1nh t\u00e0u v\u0169 tr\u1ee5 m\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady v\u00e0 an to\u00e0n tr\u00ean sao H\u1ecfa, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho c\u00e1c s\u1ee9 m\u1ec7nh khoa h\u1ecdc v\u00e0 th\u00e1m hi\u1ec3m c\u1ee7a con ng\u01b0\u1eddi trong t\u01b0\u01a1ng lai.<\/p>","protected":false},"excerpt":{"rendered":"

Nhi\u1ec7m v\u1ee5 t\u00ecm ki\u1ebfm d\u00f9 sao H\u1ecfa c\u1ee7a NASA Th\u00e1ch th\u1ee9c trong vi\u1ec7c h\u1ea1 c\u00e1nh tr\u00ean sao H\u1ecfa M\u1ee5c ti\u00eau \u0111\u1ea7y tham v\u1ecdng c\u1ee7a NASA l\u00e0 \u0111\u01b0a t\u00e0u v\u0169 tr\u1ee5…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[494],"tags":[20697,20694,2419,20695,473,20696,20693],"class_list":["post-15525","post","type-post","status-publish","format-standard","hentry","category-space-exploration","tag-engineering-innovation","tag-supersonic-deceleration","tag-mars-exploration","tag-rocket-sled-testing","tag-nasa","tag-scientific-collaboration","tag-parachute-design"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/15525","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=15525"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/15525\/revisions"}],"predecessor-version":[{"id":15526,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/15525\/revisions\/15526"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=15525"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=15525"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=15525"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}