{"id":28389,"date":"2019-05-30T09:51:00","date_gmt":"2019-05-30T02:51:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=28389"},"modified":"2021-10-03T13:53:15","modified_gmt":"2021-10-03T06:53:15","slug":"nha-khoa-hoc-tim-ra-cach-tao-oxy-tren-sao-hoa","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/nha-khoa-hoc-tim-ra-cach-tao-oxy-tren-sao-hoa\/","title":{"rendered":"Nh\u00e0 khoa h\u1ecdc t\u00ecm ra c\u00e1ch t\u1ea1o oxy tr\u00ean sao H\u1ecfa"},"content":{"rendered":"\n

Thay v\u00ec ph\u1ea3i chuy\u1ec3n oxy t\u1eeb Tr\u00e1i \u0110\u1ea5t \u0111\u1ebfn, c\u00e1c nh\u00e0 th\u00e1m hi\u1ec3m trong t\u01b0\u01a1ng lai c\u00f3 th\u1ec3 t\u1ea1o ra oxy ngay tr\u00ean sao H\u1ecfa nh\u1edd m\u1ed9t ph\u00e1t hi\u1ec7n m\u1edbi.<\/p>\n\n\n\n

Do sao H\u1ecfa \u1edf c\u00e1ch xa Tr\u00e1i \u0110\u1ea5t n\u00ean vi\u1ec7c t\u00ecm ra c\u00e1ch gi\u00fap duy tr\u00ec kh\u00ed oxy tr\u00ean sao H\u1ecfa s\u1ebd gi\u1ea3m thi\u1ec3u v\u00e0 t\u1ed1i \u01b0u h\u00f3a chi ph\u00ed. M\u1ed9t nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 ph\u00e1t hi\u1ec7n ra ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o oxy m\u1edbi n\u00e0y b\u1eb1ng c\u00e1ch t\u00ecm hi\u1ec3u v\u00e0 nghi\u00ean c\u1ee9u sao Ch\u1ed5i. \u0110a s\u1ed1 nh\u1eefng h\u00e0nh tinh gi\u00e1 l\u1ea1nh (g\u1ecdi l\u00e0 \u0111\u00e1m m\u00e2y Oort) \u0111\u1ec1u c\u00e1ch xa h\u1ec7 m\u1eb7t tr\u1eddi v\u00e0 qu\u1ef9 \u0111\u1ea1o sao H\u1ea3i V\u01b0\u01a1ng. N\u1ebfu m\u1ed9t qu\u1ef9 \u0111\u1ea1o c\u1ee7a sao Ch\u1ed5i k\u00e9o \u0111\u00e1m m\u00e2y Oort \u0111\u1ebfn g\u1ea7n m\u1eb7t tr\u1eddi, nhi\u1ec7t \u0111\u1ed9 c\u1ee7a m\u1eb7t tr\u1eddi s\u1ebd khi\u1ebfn cho nh\u1eefng l\u1edbp b\u0103ng tan ra kh\u1ecfi kh\u00f4ng gian k\u00e9o d\u00e0i h\u00e0ng ngh\u00ecn m\u00e9t.<\/p>\n\n\n\n

Nh\u00f3m nghi\u00ean c\u1ee9u thu\u1ed9c Vi\u1ec7n c\u00f4ng ngh\u1ec7 California (Caltech) \u1edf Pasadena \u0111\u00e3 t\u00ecm ra nguy\u00ean l\u00fd c\u1ee7a vi\u1ec7c sao Ch\u1ed5i t\u1ea1o ra ph\u00e2n t\u1eed oxy v\u1edbi hai nguy\u00ean t\u1eed oxy k\u1ebft h\u1ee3p v\u1edbi nhau t\u1ea1o th\u00e0nh kh\u00f4ng kh\u00ed \u0111em l\u1ea1i s\u1ef1 s\u1ed1ng cho sao H\u1ecfa, nh\u00f3m nghi\u00ean c\u1ee9u cho r\u1eb1ng kh\u00f4ng kh\u00ed c\u00f3 th\u1ec3 t\u1ea1o ra t\u1eeb CO2.<\/p>\n\n\n\n

Ti\u1ebfn s\u0129 Yunxi Yao v\u00e0 gi\u00e1o s\u01b0 k\u1ef9 thu\u1eadt h\u00f3a h\u1ecdc vi\u1ec7n Caltech \u0111\u00e3 m\u00f4 ph\u1ecfng nguy\u00ean l\u00fd n\u00e0y b\u1eb1ng c\u00e1ch cho CO2 ti\u1ebfp x\u00fac qua v\u00e0ng l\u00e1. B\u1edfi v\u00ec v\u00e0ng kh\u00f4ng b\u1ecb oxy h\u00f3a n\u00ean khi CO2 \u0111i qua l\u00e1 v\u00e0ng v\u1edbi t\u1ed1c \u0111\u1ed9 cao, b\u1ec1 m\u1eb7t l\u00e1 v\u00e0ng n\u00e0y s\u1ebd t\u1ecfa ra O2 (kh\u00f4ng kh\u00ed).<\/p>\n\n\n\n

\"S\u01a1
S\u01a1 \u0111\u1ed3 m\u00f4 t\u1ea3 c\u00e1ch carbon dioxide chuy\u1ec3n \u0111\u1ed5i th\u00e0nh oxy ph\u00e2n t\u1eed b\u00ean trong m\u1ed9t l\u00f2 ph\u1ea3n \u1ee9ng.<\/figcaption><\/figure><\/div>\n\n\n\n

Tr\u01b0\u1edbc \u0111\u00e2y m\u1ed9t s\u1ed1 nh\u00e0 khoa h\u1ecdc ngh\u0129 r\u1eb1ng, n\u1ed3ng \u0111\u1ed9 oxy trong kh\u00ed quy\u1ec3n \u1edf sao H\u1ecfa ch\u1ec9 \u0111\u01b0\u1ee3c t\u1ea1o ra sau khi tia c\u1ef1c t\u00edm t\u1eeb m\u1eb7t tr\u1eddi chi\u1ebfu qua CO2. Tuy nhi\u00ean, m\u1ed9t s\u1ed1 nh\u00e0 nghi\u00ean c\u1ee9u kh\u00e1c l\u1ea1i cho r\u1eb1ng nh\u1eefng h\u1ea1t b\u1ee5i di chuy\u1ec3n v\u1edbi t\u1ed1c \u0111\u1ed9 nhanh trong kh\u00f4ng gian c\u0169ng c\u00f3 th\u1ec3 t\u00e1c \u0111\u1ed9ng t\u1edbi c\u00e1c ph\u00e2n t\u1eed CO2, t\u00e1ch oxy ra kh\u1ecfi carbon, t\u1ea1o ra kh\u00f4ng kh\u00ed.<\/p>\n\n\n\n

T\u1eeb c\u00e1c ph\u01b0\u01a1ng \u00e1n nghi\u00ean c\u1ee9u n\u00e0y, NASA d\u1ef1 \u0111\u1ecbnh ch\u1ea1y th\u1eed c\u00f4ng ngh\u1ec7 t\u1ea1o oxy tr\u00ean sao H\u1ecfa. C\u00f4ng ngh\u1ec7 c\u00f3 t\u00ean l\u00e0 MOXIE (Mars Oxygen In situ resource utilization Experiment), s\u1ebd \u0111\u01b0\u1ee3c phi h\u00e0nh gia ph\u00f3ng tr\u00ean chi\u1ebfc Rover-Mars 2020 (m\u1ed9t ph\u01b0\u01a1ng ti\u1ec7n di chuy\u1ec3n tr\u00ean b\u1ec1 m\u1eb7t sao H\u1ecfa). C\u00f4ng ngh\u1ec7 n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c ra m\u1eaft v\u00e0o m\u00f9a h\u00e8 t\u1edbi v\u00e0 d\u1ef1 \u0111\u1ecbnh ph\u00f3ng l\u00ean sao H\u1ecfa v\u00e0o n\u0103m 2021.<\/p>\n","protected":false},"excerpt":{"rendered":"

Thay v\u00ec ph\u1ea3i chuy\u1ec3n oxy t\u1eeb Tr\u00e1i \u0110\u1ea5t \u0111\u1ebfn, c\u00e1c nh\u00e0 th\u00e1m hi\u1ec3m trong t\u01b0\u01a1ng lai c\u00f3 th\u1ec3 t\u1ea1o ra oxy ngay tr\u00ean sao H\u1ecfa nh\u1edd m\u1ed9t ph\u00e1t hi\u1ec7n m\u1edbi. Do sao H\u1ecfa \u1edf c\u00e1ch xa Tr\u00e1i \u0110\u1ea5t n\u00ean vi\u1ec7c t\u00ecm ra c\u00e1ch gi\u00fap duy tr\u00ec kh\u00ed oxy tr\u00ean sao H\u1ecfa s\u1ebd gi\u1ea3m thi\u1ec3u v\u00e0 […]<\/p>\n","protected":false},"author":25,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-28389","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\/28389","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\/25"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=28389"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28389\/revisions"}],"predecessor-version":[{"id":28390,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28389\/revisions\/28390"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=28389"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=28389"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=28389"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}