\u0110\u00eam trong tr\u1eddi s\u00e1ng, c\u00f3 l\u00fac ta c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y m\u1ed9t h\u00e0nh tinh m\u00e0u \u0111\u1ecf tr\u00ean tr\u1eddi, \u0111\u00f3 l\u00e0 Ho\u1ea3 Tinh. T\u1eeb x\u01b0a \u0111\u1ebfn nay con ng\u01b0\u1eddi lu\u00f4n h\u1ee9ng th\u00fa t\u00ecm hi\u1ec3u tr\u00ean Ho\u1ea3 Tinh c\u00f3 t\u1ed3n t\u1ea1i s\u1ef1 s\u1ed1ng hay kh\u00f4ng. V\u1eady th\u1ef1c ch\u1ea5t l\u00e0 th\u1ebf n\u00e0o?<\/p>\n\n\n\n
Ho\u1ea3 Tinh r\u1ea5t gi\u1ed1ng Tr\u00e1i \u0110\u1ea5t, c\u00f3 b\u1ec1 m\u1eb7t c\u1ee9ng ch\u1eafc v\u00e0 b\u1ed1n m\u00f9a thay \u0111\u1ed5i. Ban \u0111\u1ea7u khi con ng\u01b0\u1eddi d\u00f9ng k\u00ednh vi\u1ec5n v\u1ecdng \u0111\u1ec3 quan s\u00e1t Ho\u1ea3 Tinh, ph\u00e1t hi\u1ec7n tr\u00ean \u0111\u00f3 c\u00f3 nh\u1eefng \u0111\u01b0\u1eddng nh\u1ecf v\u00e0 m\u00e0u s\u1eafc bi\u1ebfn \u0111\u1ed5i theo b\u1ed1n m\u00f9a. Do \u0111\u00f3 c\u00f3 ng\u01b0\u1eddi cho r\u1eb1ng, nh\u1eefng \u0111\u01b0\u1eddng v\u00e2n nh\u1ecf n\u00e0y l\u00e0 c\u00e1c “k\u00eanh \u0111\u00e0o” tr\u00ean Ho\u1ea3 Tinh. \u0110i\u1ec1u \u0111\u00f3 khi\u1ebfn cho nhi\u1ec1u ng\u01b0\u1eddi li\u00ean t\u01b0\u1edfng \u0111\u1ebfn tr\u00ean Ho\u1ea3 Tinh c\u00f3 l\u1ebd gi\u1ed1ng nh\u01b0 Tr\u00e1i \u0110\u1ea5t c\u1ee7a ta, l\u00e0 m\u1ed9t th\u1ebf gi\u1edbi tr\u00e0n tr\u1ec1 s\u1ef1 s\u1ed1ng. N\u1ebfu \u0111\u00fang th\u1ebf th\u00ec con ng\u01b0\u1eddi kh\u00f4ng c\u00f2n c\u00f4 \u0111\u1ed9c n\u1eefa.<\/p>\n\n\n\n
H\u01a1n 20 con t\u00e0u v\u0169 tr\u1ee5 \u0111\u00e3 l\u1ea7n l\u01b0\u1ee3t th\u0103m d\u00f2 Ho\u1ea3 Tinh. Trong \u0111\u00f3 th\u00e1ng 7 v\u00e0 th\u00e1ng 9 n\u0103m 1976, hai con t\u00e0u “C\u01b0\u1edbp bi\u1ec3n 1” (Viking 1) v\u00e0 “C\u01b0\u1edbp bi\u1ec3n 2” c\u1ee7a M\u1ef9 \u0111\u00e3 \u0111\u1ed5 b\u1ed9 l\u00ean b\u1ec1 m\u1eb7t c\u1ee7a Ho\u1ea3 Tinh. K\u1ebft qu\u1ea3 th\u0103m d\u00f2 ch\u1ee9ng t\u1ecf b\u1ea7u kh\u00ed quy\u1ec3n Ho\u1ea3 Tinh r\u1ea5t lo\u00e3ng, ch\u01b0a \u0111\u1ebfn 1% \u00e1p su\u1ea5t kh\u00ed quy\u1ec3n tr\u00ean m\u1eb7t bi\u1ec3n c\u1ee7a Tr\u00e1i \u0110\u1ea5t, th\u00e0nh ph\u1ea7n ch\u1ee7 y\u1ebfu l\u00e0 kh\u00ed CO2 (chi\u1ebfm kho\u1ea3ng 95,3%). \u1ede hai v\u00f9ng c\u1ef1c ch\u1ee7 y\u1ebfu l\u00e0 b\u0103ng kh\u00f4 v\u00e0 b\u0103ng n\u01b0\u1edbc c\u1ea5u t\u1ea1o th\u00e0nh. Nh\u1eefng \u0111\u01b0\u1eddng v\u00e2n tr\u00ean Ho\u1ea3 Tinh kh\u00f4ng ph\u1ea3i l\u00e0 c\u00e1c “k\u00eanh \u0111\u00e0o” m\u00e0 l\u00e0 nh\u1eefng l\u00f2ng s\u00f4ng kh\u00f4 c\u1eb1n, \u1edf th\u1eddi c\u1ed5 c\u00f3 th\u1ec3 \u0111\u00e3 t\u1eebng c\u00f3 n\u01b0\u1edbc ch\u1ea3y \u1edf \u0111\u00f3. \u0110\u1ec3 kh\u00e1m ph\u00e1 s\u1ef1 s\u1ed1ng tr\u00ean Ho\u1ea3 Tinh c\u00e1c t\u00e0u v\u0169 tr\u1ee5 “C\u01b0\u1edbp bi\u1ec3n” c\u00f2n ti\u1ebfn h\u00e0nh h\u00e0ng lo\u1ea1t th\u1ef1c nghi\u1ec7m th\u0103m d\u00f2 v\u1ec1 sinh v\u1eadt. Nh\u01b0ng k\u1ebft qu\u1ea3 khi\u1ebfn cho con ng\u01b0\u1eddi th\u1ea5t v\u1ecdng, to\u00e0n b\u1ed9 Ho\u1ea3 Tinh kh\u00f4ng ph\u00e1t hi\u1ec7n th\u1ea5y d\u1ea5u v\u1ebft ho\u1ea1t \u0111\u1ed9ng c\u1ee7a s\u1ef1 s\u1ed1ng.<\/p>\n\n\n\n
G\u1ea7n \u0111\u00e2y c\u00e1c nh\u00e0 khoa h\u1ecdc M\u1ef9 th\u00f4ng qua v\u1eabn th\u1ea1ch t\u1eeb Ho\u1ea3 Tinh r\u01a1i xu\u1ed1ng Tr\u00e1i \u0110\u1ea5t \u1edf Nam C\u1ef1c ph\u00e1t hi\u1ec7n trong v\u1eabn tinh c\u00f3 k\u1ebft c\u1ea5u d\u1ea1ng \u1ed1ng nh\u1ecf li ti. C\u00f3 ng\u01b0\u1eddi suy \u0111o\u00e1n r\u1eb1ng, n\u00f3 c\u00f3 th\u1ec3 l\u00e0 ho\u00e1 th\u1ea1ch c\u1ee7a nh\u1eefng vi sinh v\u1eadt nguy\u00ean thu\u1ef7 t\u1ed3n t\u1ea1i tr\u00ean Ho\u1ea3 Tinh. Tuy s\u1ef1 suy \u0111o\u00e1n n\u00e0y khi\u1ebfn cho ng\u01b0\u1eddi ta ph\u1ea5n kh\u1edfi, nh\u01b0ng \u0111a s\u1ed1 c\u00e1c nh\u00e0 khoa h\u1ecdc v\u1eabn gi\u1eef th\u00e1i \u0111\u1ed9 c\u1ea9n tr\u1ecdng, cho r\u1eb1ng k\u1ebft lu\u1eadn \u0111\u00f3 kh\u00f4ng c\u00f3 c\u01a1 s\u1edf khoa h\u1ecdc.<\/p>\n\n\n\n
Th\u00e1ng 7 n\u0103m 1997 con t\u00e0u v\u0169 tr\u1ee5 M\u1ef9 mang t\u00ean “Ng\u01b0\u1eddi m\u1edf \u0111\u01b0\u1eddng” \u0111\u00e3 mang hai chi\u1ebfc xe lo\u1ea1i 6 b\u00e1nh nh\u00e3n hi\u1ec7u “Ng\u01b0\u1eddi du h\u00e0nh” \u0111\u1ed5 b\u1ed9 xu\u1ed1ng b\u1ec1 m\u1eb7t Ho\u1ea3 Tinh, k\u1ebft qu\u1ea3 ch\u1ee9ng th\u1ef1c k\u1ebft lu\u1eadn c\u1ee7a c\u00e1c con t\u00e0u “C\u01b0\u1edbp bi\u1ec3n” tr\u01b0\u1edbc \u0111\u00e2y l\u00e0 \u0111\u00fang. L\u1ea7n th\u0103m d\u00f2 Ho\u1ea3 Tinh n\u00e0y c\u0169ng kh\u00f4ng ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c d\u1ea5u v\u1ebft n\u00e0o c\u1ee7a s\u1ef1 s\u1ed1ng. Nh\u01b0ng \u0111i\u1ec1u \u0111\u00f3 ch\u01b0a lo\u1ea1i tr\u1eeb kh\u1ea3 n\u0103ng tr\u01b0\u1edbc \u0111\u00e2y \u0111\u00e3 t\u1eebng c\u00f3 s\u1ef1 s\u1ed1ng. Trong t\u01b0\u01a1ng lai kh\u00f4ng xa M\u1ef9 c\u00f2n \u0111\u01b0a c\u00e1c nh\u00e0 du h\u00e0nh v\u0169 tr\u1ee5 l\u00ean Ho\u1ea3 Tinh, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 th\u1ec3 s\u1ebd gi\u00fap ta t\u00ecm hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 s\u1ef1 s\u1ed1ng tr\u00ean Ho\u1ea3 Tinh.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: Ho\u1ea3 Tinh; S\u1ef1 s\u1ed1ng tr\u00ean Ho\u1ea3 Tinh.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
\u0110\u00eam trong tr\u1eddi s\u00e1ng, c\u00f3 l\u00fac ta c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y m\u1ed9t h\u00e0nh tinh m\u00e0u \u0111\u1ecf tr\u00ean tr\u1eddi, \u0111\u00f3 l\u00e0 Ho\u1ea3 Tinh. T\u1eeb x\u01b0a \u0111\u1ebfn nay con ng\u01b0\u1eddi lu\u00f4n h\u1ee9ng th\u00fa t\u00ecm hi\u1ec3u tr\u00ean Ho\u1ea3 Tinh c\u00f3 t\u1ed3n t\u1ea1i s\u1ef1 s\u1ed1ng hay kh\u00f4ng. V\u1eady th\u1ef1c ch\u1ea5t l\u00e0 th\u1ebf n\u00e0o? Ho\u1ea3 Tinh r\u1ea5t gi\u1ed1ng Tr\u00e1i \u0110\u1ea5t, […]<\/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":[15,7],"tags":[],"class_list":["post-7263","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-vat-ly"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7263","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=7263"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7263\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=7263"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=7263"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=7263"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}