L\u1ee5c \u0111\u1ecba, h\u1ea3i d\u01b0\u01a1ng, t\u1ea7ng kh\u00ed quy\u1ec3n l\u00e0 ba m\u00f4i tr\u01b0\u1eddng t\u1ed3n t\u1ea1i c\u1ee7a con ng\u01b0\u1eddi v\u00e0 t\u1ea5t c\u1ea3 m\u1ecdi sinh v\u1eadt tr\u00ean Tr\u00e1i \u0110\u1ea5t. Nh\u1eefng ch\u1ed7 n\u00e0y h\u1ea7u nh\u01b0 ch\u1ed7 n\u00e0o c\u0169ng t\u1ed3n t\u1ea1i s\u1ef1 s\u1ed1ng. L\u1ee5c \u0111\u1ecba l\u00e0 b\u1ec1 m\u1eb7t Tr\u00e1i \u0110\u1ea5t kh\u00f4ng b\u1ecb n\u01b0\u1edbc ng\u1eadp ch\u00ecm, l\u00e0 khu v\u1ef1c ho\u1ea1t \u0111\u1ed9ng ch\u1ee7 y\u1ebfu nh\u1ea5t c\u1ee7a con ng\u01b0\u1eddi, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u00f4i tr\u01b0\u1eddng th\u1ee9 nh\u1ea5t. \u0110\u1ea1i b\u1ed9 ph\u1eadn b\u1ec1 m\u1eb7t Tr\u00e1i \u0110\u1ea5t b\u1ecb n\u01b0\u1edbc bi\u1ec3n ng\u1eadp ch\u00ecm, nh\u01b0 ta th\u01b0\u1eddng g\u1ecdi l\u00e0 h\u1ea3i d\u01b0\u01a1ng \u0111\u01b0\u1ee3c coi l\u00e0 m\u00f4i tr\u01b0\u1eddng th\u1ee9 hai c\u1ee7a con ng\u01b0\u1eddi. Tr\u00e1i \u0110\u1ea5t c\u00f2n b\u1ecb m\u1ed9t t\u1ea7ng kh\u00ed quy\u1ec3n r\u1ea5t d\u00e0y bao b\u1ecdc. T\u1ea7ng kh\u00ed quy\u1ec3n tuy kh\u00f4ng d\u1ec5 tr\u1ef1c ti\u1ebfp quan s\u00e1t nh\u01b0 l\u1ee5c \u0111\u1ecba v\u00e0 h\u1ea3i d\u01b0\u01a1ng nh\u01b0ng n\u00f3 l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng c\u1ee7a bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu v\u00e0 l\u00e0 t\u1ea7ng b\u1ea3o h\u1ed9 con ng\u01b0\u1eddi kh\u1ecfi b\u1ecb c\u00e1c tia v\u0169 tr\u1ee5 v\u00e0 v\u1eabn tinh t\u1ea5n c\u00f4ng, n\u00ean g\u1ecdi l\u00e0 m\u00f4i tr\u01b0\u1eddng th\u1ee9 ba.<\/p>\n\n\n\n
N\u0103m 1981 Hi\u1ec7p h\u1ed9i v\u0169 tr\u1ee5 qu\u1ed1c t\u1ebf g\u1ecdi kh\u00f4ng gian ngo\u00e0i t\u1ea7ng kh\u00ed quy\u1ec3n l\u00e0 m\u00f4i tr\u01b0\u1eddng th\u1ee9 t\u01b0 c\u1ee7a con ng\u01b0\u1eddi. Kh\u00f4ng gian ngo\u00e0i t\u1ea7ng kh\u00ed quy\u1ec3n n\u00f3i chung \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0: kh\u00f4ng gian c\u00f3 \u0111\u1ed9 cao c\u00e1ch m\u1eb7t \u0111\u1ea5t 100 km tr\u1edf l\u00ean, ng\u01b0\u1eddi ta c\u00f2n g\u1ecdi l\u00e0 kh\u00f4ng gian v\u0169 tr\u1ee5. Tuy \u1edf \u0111\u1ed9 cao m\u1ea5y ngh\u00ecn km v\u1eabn c\u00f2n c\u00f3 kh\u00f4ng kh\u00ed t\u1ed3n t\u1ea1i nh\u01b0ng v\u00f4 c\u00f9ng lo\u00e3ng, c\u00f2n \u1edf \u0111\u1ed9 cao 100 km m\u1eadt \u0111\u1ed9 c\u1ee7a kh\u00f4ng kh\u00ed ch\u1ec9 b\u1eb1ng m\u1ed9t ph\u1ea7n tri\u1ec7u m\u1eadt \u0111\u1ed9 c\u1ee7a kh\u00f4ng kh\u00ed tr\u00ean m\u1eb7t \u0111\u1ea5y. N\u00f3i chung c\u00e1c thi\u1ebft b\u1ecb v\u0169 tr\u1ee5 \u1edf \u0111\u00f3 ch\u1ecbu t\u00e1c d\u1ee5ng c\u1ee7a \u0111\u1ed9ng l\u1ef1c kh\u00ed r\u1ea5t \u00edt, con ng\u01b0\u1eddi d\u1ef1a v\u00e0o c\u00e1c con t\u00e0u v\u0169 tr\u1ee5 \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng tr\u00ean \u0111\u00f3 gi\u1ed1ng nh\u01b0 l\u00e1i xe tr\u00ean m\u1eb7t \u0111\u1ea5t, \u0111i t\u00e0u d\u01b0\u1edbi bi\u1ec3n ho\u1eb7c l\u00e1i m\u00e1y bay trong t\u1ea7ng kh\u00ed quy\u1ec3n.<\/p>\n\n\n\n
\u0110\u01b0\u01a1ng nhi\u00ean trong m\u00f4i tr\u01b0\u1eddng ch\u00e2n kh\u00f4ng cao \u0111\u1ed9 c\u1ee7a v\u0169 tr\u1ee5 ngo\u00e0i con ng\u01b0\u1eddi ra th\u00ec kh\u00f4ng c\u00f3 b\u1ea5t c\u1ee9 m\u1ed9t sinh v\u1eadt n\u00e0o t\u1ed3n t\u1ea1i t\u1ef1 do tr\u00ean \u0111\u00f3. \u0110i\u1ec3m n\u00e0y kh\u00e1c ho\u00e0n to\u00e0n v\u1edbi ba m\u00f4i tr\u01b0\u1eddng c\u1ee7a con ng\u01b0\u1eddi, nh\u01b0 tr\u00ean m\u1eb7t \u0111\u1ea5t c\u00f2n c\u00f3 tr\u00e2u, b\u00f2, d\u00ea, l\u1ee3n\u2026 d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n c\u00f3 c\u00e1 b\u01a1i, trong kh\u00f4ng gian c\u00f3 chim bay.<\/p>\n\n\n\n
V\u1eady th\u1ee9 t\u1ef1 s\u1eafp x\u1ebfp b\u1ed1n m\u00f4i tr\u01b0\u1eddng: th\u1ee9 nh\u1ea5t, th\u1ee9 hai, th\u1ee9 ba v\u00e0 th\u1ee9 t\u01b0 c\u00f3 ph\u1ea3i l\u00e0 tu\u1ef3 \u00fd kh\u00f4ng? Kh\u00f4ng ph\u1ea3i th\u1ebf! \u0110\u00f3 l\u00e0 c\u0103n c\u1ee9 v\u00e0o qu\u00e1 tr\u00ecnh nh\u1eadn th\u1ee9c c\u1ee7a con ng\u01b0\u1eddi \u0111\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng t\u1ef1 nhi\u00ean v\u00e0 qu\u00e1 tr\u00ecnh ti\u1ebfn tri\u1ec3n n\u1ec1n v\u0103n minh nh\u00e2n lo\u1ea1i m\u00e0 s\u1eafp x\u1ebfp. V\u0103n minh c\u1ee7a con ng\u01b0\u1eddi b\u1eaft ngu\u1ed3n t\u1eeb l\u1ee5c \u0111\u1ecba, sau \u0111\u00f3 ph\u00e1t tri\u1ec3n ng\u01b0 nghi\u1ec7p ra bi\u1ec3n. Vi\u1ec7c th\u00e1m hi\u1ec3m v\u00e0 t\u00ecm ki\u1ebfm c\u00e1c l\u1ee5c \u0111\u1ecba m\u1edbi \u0111\u00e3 m\u1edf mang ho\u1ea1t \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi ph\u00e1t tri\u1ec3n d\u1ea7n ra bi\u1ec3n kh\u01a1i. \u0110\u1ea7u th\u1ebf k\u1ef7 XX ho\u1ea1t \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi ph\u00e1t tri\u1ec3n v\u00e0o t\u1ea7ng kh\u00ed quy\u1ec3n. \u0110\u1ebfn th\u1eadp k\u1ef7 50 c\u1ee7a th\u1ebf k\u1ef7 XX con ng\u01b0\u1eddi m\u1edbi \u0111i v\u00e0o kh\u00f4ng gian v\u0169 tr\u1ee5.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: Kh\u00f4ng gian v\u0169 tr\u1ee5; M\u00f4i tr\u01b0\u1eddng th\u1ee9<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
L\u1ee5c \u0111\u1ecba, h\u1ea3i d\u01b0\u01a1ng, t\u1ea7ng kh\u00ed quy\u1ec3n l\u00e0 ba m\u00f4i tr\u01b0\u1eddng t\u1ed3n t\u1ea1i c\u1ee7a con ng\u01b0\u1eddi v\u00e0 t\u1ea5t c\u1ea3 m\u1ecdi sinh v\u1eadt tr\u00ean Tr\u00e1i \u0110\u1ea5t. Nh\u1eefng ch\u1ed7 n\u00e0y h\u1ea7u nh\u01b0 ch\u1ed7 n\u00e0o c\u0169ng t\u1ed3n t\u1ea1i s\u1ef1 s\u1ed1ng. L\u1ee5c \u0111\u1ecba l\u00e0 b\u1ec1 m\u1eb7t Tr\u00e1i \u0110\u1ea5t kh\u00f4ng b\u1ecb n\u01b0\u1edbc ng\u1eadp ch\u00ecm, l\u00e0 khu v\u1ef1c ho\u1ea1t \u0111\u1ed9ng ch\u1ee7 […]<\/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-7273","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\/7273","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=7273"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7273\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=7273"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=7273"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=7273"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}