“Ch\u00fang em nghe n\u00f3i ng\u01b0\u1eddi M\u1ef9 \u0111ang nghi\u00ean c\u1ee9u h\u01b0\u01a1u cao c\u1ed5 \u0111\u1ec3 chu\u1ea9n b\u1ecb \u0111\u01b0a n\u00f3 l\u00ean v\u0169 tr\u1ee5, c\u00f3 \u0111\u00fang kh\u00f4ng?”.<\/p>\n\n\n\n
Ch\u1eafc c\u00e1c em nghe nh\u1ea7m. Trong \u0111i\u1ec1u ki\u1ec7n hi\u1ec7n t\u1ea1i, vi\u1ec7c \u0111\u01b0a c\u00e1c sinh v\u1eadt b\u1eadc th\u1ea5p (t\u1ea3o, vi khu\u1ea9n, c\u00f4n tr\u00f9ng\u2026) v\u00e0o v\u0169 tr\u1ee5 \u0111\u1ec3 nghi\u00ean c\u1ee9u c\u0169ng ph\u1ea3i t\u00ednh to\u00e1n c\u1ea9n th\u1eadn, n\u00f3i g\u00ec \u0111\u1ebfn chuy\u1ec7n \u0111\u01b0a nh\u1eefng \u0111\u1ed9ng v\u1eadt b\u1eadc cao c\u00f9ng \u0111i v\u1edbi con ng\u01b0\u1eddi. H\u01b0\u01a1u cao c\u1ed5 m\u1edbi l\u1ecdt l\u00f2ng \u0111\u00e3 c\u00f3 chi\u1ec1u cao 2 m, c\u00e2n n\u1eb7ng trung b\u00ecnh 60 kg, c\u1ed3ng k\u1ec1nh h\u01a1n c\u1ea3 nh\u00e0 du h\u00e0nh.<\/p>\n\n\n\n
Tuy nhi\u00ean, chuy\u1ec7n nghi\u00ean c\u1ee9u h\u01b0\u01a1u cao c\u1ed5 nh\u1eb1m ph\u1ee5c v\u1ee5 cho c\u00f4ng cu\u1ed9c chinh ph\u1ee5c v\u0169 tr\u1ee5 \u1edf M\u1ef9 l\u1ea1i l\u00e0 \u0111i\u1ec1u c\u00f3 th\u1eadt. T\u1eeb n\u0103m 1985, c\u00e1c nh\u00e0 khoa h\u1ecdc t\u1ea1i C\u01a1 quan h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 M\u1ef9 (NASA) \u0111\u00e3 ch\u00fa \u00fd \u0111\u1ebfn nh\u1eefng \u0111\u1eb7c t\u00ednh qu b\u00e1u c\u1ee7a h\u01b0\u01a1u cao c\u1ed5: Ch\u00fang cao t\u1eeb 5 \u0111\u1ebfn 6 m, c\u00f3 \u00e1p l\u1ef1c c\u1ed9t m\u00e1u r\u1ea5t l\u1edbn; qu\u1ea3 tim c\u1ef1c kh\u1ecfe, n\u1eb7ng t\u1edbi 11 kg, m\u1ed7i ph\u00fat b\u01a1m \u0111\u01b0\u1ee3c \u00edt nh\u1ea5t 60 l\u00edt m\u00e1u. H\u1ec7 c\u01a1 v\u00f2ng d\u1ecdc theo \u0111\u1ed9ng m\u1ea1ch c\u1ed5 c\u1ee7a con v\u1eadt cho ph\u00e9p n\u00f3 \u0111\u01b0a m\u00e1u l\u00ean t\u1eadn c\u00e1i \u0111\u1ea7u \u1edf t\u00edt tr\u00ean cao. T\u0129nh m\u1ea1ch c\u1ee7a h\u01b0\u01a1u cao c\u1ed5 c\u00f3 nh\u1eefng van \u0111\u1eb7c bi\u1ec7t gi\u00fap cho \u00e1p l\u1ef1c m\u00e1u kh\u00f4ng thay \u0111\u1ed5i qu\u00e1 \u0111\u1ed9t ng\u1ed9t m\u1ed7i khi con v\u1eadt c\u00fai \u0111\u1ea7u, v\u00ec nh\u1eefng thay \u0111\u1ed5i n\u00e0y n\u1ebfu x\u1ea3y ra s\u1ebd l\u00e0m n\u00f3 ng\u1ea5t x\u1ec9u. Ch\u00e2n c\u1ee7a h\u01b0\u01a1u cao c\u1ed5, n\u01a1i \u00e1p l\u1ef1c m\u00e1u r\u1ea5t l\u1edbn, c\u00f3 m\u1ed9t h\u1ec7 th\u1ed1ng mao m\u1ea1ch r\u1ea5t ch\u1eafc gi\u00fap tr\u00e1nh \u0111\u01b0\u1ee3c hi\u1ec7n t\u01b0\u1ee3ng ph\u00f9 th\u0169ng.<\/p>\n\n\n\n
\u0110\u00f3 l\u00e0 nh\u1eefng \u0111\u1eb7c t\u00ednh m\u00e0 c\u00e1c nh\u00e0 du h\u00e0nh v\u0169 tr\u1ee5 \u01b0\u1edbc ao c\u00f3 \u0111\u01b0\u1ee3c, b\u1edfi l\u1ebd h\u1ecd ph\u1ea3i ch\u1ecbu \u0111\u1ef1ng hi\u1ec7n t\u01b0\u1ee3ng gia t\u1ed1c tr\u1ecdng tr\u01b0\u1eddng khi xu\u1ea5t ph\u00e1t v\u00e0 t\u00ecnh tr\u1ea1ng v\u00f4 tr\u1ecdng l\u1ef1c khi s\u1ed1ng tr\u00ean qu\u1ef9 \u0111\u1ea1o.<\/p>\n\n\n\n
C\u00e1c nh\u00e0 khoa h\u1ecdc c\u1ee7a NASA \u0111\u00e3 cho b\u1eaft 8 h\u01b0\u01a1u cao c\u1ed5 \u0111\u1ec3 nghi\u00ean c\u1ee9u. Hai con \u0111\u01b0\u1ee3c ph\u1eabu t\u00edch \u0111\u1ec3 xem x\u00e9t c\u1ea5u tr\u00fac c\u01a1 th\u1ec3, \u0111\u1eb7c bi\u1ec7t l\u00e0 b\u1ed9 m\u00e1y tu\u1ea7n ho\u00e0n. S\u00e1u con \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t c\u00e1c \u1ed1ng th\u00f4ng v\u00e0o m\u1ea1ch m\u00e1u v\u00e0 \u0111eo m\u1ed9t m\u00e1y ph\u00e1t t\u00edn hi\u1ec7u \u1edf c\u1ed5 r\u1ed3i \u0111\u01b0\u1ee3c th\u1ea3 ra \u0111\u1ec3 theo d\u00f5i. K\u1ebft qu\u1ea3 thu \u0111\u01b0\u1ee3c \u0111\u00e3 gi\u00fap h\u1ecd c\u1ea3i ti\u1ebfn b\u1ed9 qu\u1ea7n \u00e1o b\u1ea3o v\u1ec7 cho c\u00e1c nh\u00e0 du h\u00e0nh v\u0169 tr\u1ee5.<\/p>\n","protected":false},"excerpt":{"rendered":"
“Ch\u00fang em nghe n\u00f3i ng\u01b0\u1eddi M\u1ef9 \u0111ang nghi\u00ean c\u1ee9u h\u01b0\u01a1u cao c\u1ed5 \u0111\u1ec3 chu\u1ea9n b\u1ecb \u0111\u01b0a n\u00f3 l\u00ean v\u0169 tr\u1ee5, c\u00f3 \u0111\u00fang kh\u00f4ng?”. Ch\u1eafc c\u00e1c em nghe nh\u1ea7m. Trong \u0111i\u1ec1u ki\u1ec7n hi\u1ec7n t\u1ea1i, vi\u1ec7c \u0111\u01b0a c\u00e1c sinh v\u1eadt b\u1eadc th\u1ea5p (t\u1ea3o, vi khu\u1ea9n, c\u00f4n tr\u00f9ng\u2026) v\u00e0o v\u0169 tr\u1ee5 \u0111\u1ec3 nghi\u00ean c\u1ee9u c\u0169ng ph\u1ea3i t\u00ednh to\u00e1n […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[21],"tags":[],"class_list":["post-11955","post","type-post","status-publish","format-standard","hentry","category-y-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/11955","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=11955"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/11955\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=11955"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=11955"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=11955"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}