\u0110\u1ea7u th\u1eadp k\u1ef7 60 c\u1ee7a th\u1ebf k\u1ef7 XX, Li\u00ean X\u00f4 \u0111\u00e3 b\u00ed m\u1eadt ch\u1edf t\u00ean l\u1eeda sang Cu Ba, kh\u00f4ng ng\u1edd b\u1ecb t\u00ecnh b\u00e1o M\u1ef9 ph\u00e1t hi\u1ec7n. Ai l\u00e0 \u0111i\u1ec7p vi\u00ean trong v\u1ee5 n\u00e0y? \u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 con ng\u01b0\u1eddi m\u00e0 l\u00e0 m\u00e1y ch\u1ee5p \u1ea3nh trinh s\u00e1t tr\u00ean kh\u00f4ng l\u1ea7n \u0111\u1ea7u ti\u00ean ph\u00e1t hi\u1ec7n.<\/p>\n\n\n\n
Vi\u1ec7c d\u00f9ng m\u00e1y bay ho\u1eb7c v\u1ec7 tinh nh\u00e2n t\u1ea1o mang c\u00e1c thi\u1ebft b\u1ecb quan tr\u1eafc ho\u1eb7c m\u00e1y \u1ea3nh \u0111\u1ec3 th\u0103m d\u00f2 v\u00e0 ph\u00e2n bi\u1ec7t c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a c\u00e1c v\u1eadt tr\u00ean T r\u00e1i \u0110\u1ea5t th\u00ec \u0111\u1ec1u g\u1ecdi l\u00e0 k\u0129 thu\u1eadt c\u1ea3m nh\u1eadn t\u1eeb xa (vi\u1ec5n th\u00e1m).<\/p>\n\n\n\n
K\u0129 thu\u1eadt c\u1ea3m nh\u1eadn t\u1eeb xa c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m nh\u00ecn t\u1eeb tr\u00ean cao xu\u1ed1ng, t\u1ed1c \u0111\u1ed9 ch\u1ee5p \u1ea3nh nhanh, ch\u00ednh x\u00e1c v\u00e0 h\u00ecnh \u1ea3nh r\u00f5. N\u1ebfu bay v\u00e0 ch\u1ee5p l\u1eb7p l\u1ea1i c\u00f2n c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c t\u00ecnh h\u00ecnh b\u1ed1 tr\u00ed, \u0111i\u1ec1u ch\u1ec9nh c\u00e1c c\u00f4ng tr\u00ecnh qu\u00e2n s\u1ef1 tr\u00ean m\u1eb7t \u0111\u1ea5t. Ng\u00e0y nay nh\u1eefng v\u1eadt th\u1ec3 c\u00f3 ph\u00e1t nhi\u1ec7t nh\u01b0 m\u00e1y bay, xe t\u0103ng th\u1eadm ch\u00ed con ng\u01b0\u1eddi \u0111\u1ec1u kh\u00f3 m\u00e0 ngu\u1ef5 trang ho\u1eb7c n\u1ea5p d\u01b0\u1edbi r\u1eebng c\u00e2y \u0111\u1ec3 che m\u1eaft \u0111\u1ed1i ph\u01b0\u01a1ng, v\u00ec ch\u00fang \u0111\u1ec1u b\u1ecb l\u1ed9 ra d\u01b0\u1edbi s\u1ef1 kh\u00e1m ph\u00e1 c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb tia h\u1ed3ng ngo\u1ea1i.<\/p>\n\n\n\n
V\u1eady c\u00f3 th\u1ec3 d\u00f9ng ph\u01b0\u01a1ng th\u1ee9c trinh s\u00e1t n\u00e0y \u0111\u1ec3 trinh s\u00e1t t\u00e0i nguy\u00ean d\u01b0\u1edbi \u0111\u1ea5t kh\u00f4ng? Sau Chi\u1ebfn tranh T h\u1ebf gi\u1edbi th\u1ee9 hai ng\u01b0\u1eddi ta th\u00ed nghi\u1ec7m d\u00f9ng m\u00e1y bay \u0111\u1ec3 ch\u1ee5p \u1ea3nh, c\u00f2n d\u00f9ng m\u00e1y \u0111o tia h\u1ed3ng ngo\u1ea1i v\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111o ra \u0111a \u0111\u1ec3 t\u00ecm ki\u1ebfm t\u00e0i nguy\u00ean kho\u00e1ng s\u1ea3n, hi\u1ec7u qu\u1ea3 r\u1ea5t t\u1ed1t. D\u00f9ng ph\u01b0\u01a1ng ph\u00e1p c\u1ea3m nh\u1eadn t\u1eeb xa b\u1eb1ng h\u00e0ng kh\u00f4ng kh\u00f4ng nh\u1eefng c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c h\u00ecnh \u1ea3nh g\u1ea7n th\u1eadt so v\u1edbi v\u1eadt th\u1ef1c tr\u00ean T r\u00e1i \u0110\u1ea5t m\u00e0 c\u00f2n c\u00f3 th\u1ec3 th\u00f4ng qua m\u00e0u s\u1eafc \u0111\u1eadm nh\u1ea1t c\u1ee7a nh\u1eefng b\u1ed9 ph\u1eadn kh\u00e1c nhau tr\u00ean b\u1ee9c \u1ea3nh, \u0111\u1ed9 l\u1edbn nh\u1ecf c\u1ee7a h\u00ecnh v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m hoa v\u0103n \u0111\u1ec3 v\u1ebd ra \u0111\u01b0\u1eddng vi\u1ec1n c\u1ea5u t\u1ea1o \u0111\u1ecba ch\u1ea5t c\u1ee7a c\u1ea3 khu v\u1ef1c, th\u1eadm ch\u00ed m\u1ed9t s\u1ed1 v\u1eadt n\u1eb1m s\u00e2u d\u01b0\u1edbi \u0111\u1ea5t ho\u1eb7c \u0111\u01b0\u1ee3c r\u1eebng che ph\u1ee7, tr\u00ean m\u1eb7t \u0111\u1ea5t kh\u00f4ng d\u1ec5 b\u1ecb ph\u00e1t hi\u1ec7n, c\u0169ng s\u1ebd b\u1ecb l\u1ed9 ra. C\u00e0ng ch\u01b0a k\u1ec3 \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 \u0111i\u1ec1u tra nhanh h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi tr\u00ean m\u1eb7t \u0111\u1ea5t v\u00e0 m\u1edf r\u1ed9ng r\u1ea5t xa t\u1ea7m nh\u00ecn c\u1ee7a con ng\u01b0\u1eddi.<\/p>\n\n\n\n
Nh\u01b0ng m\u1ed9t b\u1ee9c \u1ea3nh h\u00e0ng kh\u00f4ng th\u00f4ng th\u01b0\u1eddng ch\u1ec9 ch\u1ee5p trong ph\u1ea1m vi di\u1ec7n t\u00edch 20 – 30 km2. V\u1eady c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng t\u1ea7m nh\u00ecn ph\u1ea1m vi h\u01a1n n\u1eefa \u0111\u01b0\u1ee3c kh\u00f4ng? Qua th\u00ed nghi\u1ec7m, ng\u00e0y 23 th\u00e1ng 7 n\u0103m 1973, ng\u01b0\u1eddi ta \u0111\u00e3 ph\u00f3ng v\u1ec7 tinh t\u00e0i nguy\u00ean chuy\u00ean d\u00f9ng \u0111\u1ec3 \u0111i\u1ec1u tra t\u00e0i nguy\u00ean T r\u00e1i \u0110\u1ea5t. Sau n\u0103m n\u0103m l\u00e0m vi\u1ec7c, \u0111\u1ebfn th\u00e1ng gi\u00eang n\u0103m 1978 m\u1edbi ng\u1eebng ho\u1ea1t \u0111\u1ed9ng, hi\u1ec7u qu\u1ea3 \u0111i\u1ec1u tra t\u00e0i nguy\u00ean T r\u00e1i \u0110\u1ea5t r\u1ea5t t\u1ed1t. Ng\u00e0y 22 th\u00e1ng 1 n\u0103m 1975 v\u00e0 ng\u00e0y 5 th\u00e1ng 3 n\u0103m 1978 l\u1ea1i ti\u1ebfp t\u1ee5c ph\u00f3ng v\u1ec7 tinh t\u00e0i nguy\u00ean th\u1ee9 hai v\u00e0 th\u1ee9 ba.<\/p>\n\n\n\n
V\u1ec7 tinh t\u00e0i nguy\u00ean T r\u00e1i \u0110\u1ea5t bay \u1edf \u0111\u1ed9 cao v\u1eeba ph\u1ea3i, l\u00e0 v\u1ec7 tinh \u0111\u1ed3ng b\u1ed9 v\u1edbi M\u1eb7t T r\u1eddi, \u0111i\u1ec3m g\u1ea7n T r\u00e1i \u0110\u1ea5t nh\u1ea5t l\u00e0 905 km \u0111i\u1ec3m xa nh\u1ea5t l\u00e0 918 km, qu\u1ef9 \u0111\u1ea1o g\u1ea7n v\u1edbi \u0111\u01b0\u1eddng tr\u00f2n. C\u1ee9 103,267 ph\u00fat th\u00ec n\u00f3 bay t\u1eeb b\u1eafc sang nam r\u1ed3i l\u1ea1i t\u1eeb nam sang b\u1eafc \u0111\u01b0\u1ee3c m\u1ed9t v\u00f2ng Tr\u00e1i \u0110\u1ea5t, m\u1ed9t ng\u00e0y quay 24 v\u00f2ng, c\u00e1ch 25 gi\u00e2y l\u1ea1i ch\u1ee5p m\u1ed9t \u1ea3nh. B\u1ea1n th\u1eed t\u00ednh xem m\u1ed9t ng\u00e0y n\u00f3 c\u00f3 th\u1ec3 ch\u1ee5p \u0111\u01b0\u1ee3c bi\u1ebft bao nhi\u00eau l\u00e0 \u1ea3nh! V\u00ec T r\u00e1i \u0110\u1ea5t t\u1ef1 quay, trong 103 ph\u00fat quay v\u1ec1 ph\u00eda \u0111\u00f4ng 25,8 \u0111\u1ed9, \u0111i\u1ec1u \u0111\u00f3 gi\u1ed1ng v\u1edbi v\u1ec7 tinh ch\u1ea1y v\u1ec1 ph\u00eda t\u00e2y 25,8 \u0111\u1ed9, 25,8 \u0111\u1ed9 l\u00e0 bao xa? Chu vi \u0111\u01b0\u1eddng x\u00edch \u0111\u1ea1o T r\u00e1i \u0110\u1ea5t l\u00e0 40.075,24 km. T\u1ee9c l\u00e0 c\u1ee9 c\u00e1ch 103 ph\u00fat th\u00ec v\u1ec7 tinh \u0111i v\u1ec1 ph\u00eda t\u00e2y \u0111\u01b0\u1eddng x\u00edch \u0111\u1ea1o \u0111\u01b0\u1ee3c 2875 km (\u0111\u00f3 l\u00e0 g\u1ea7n \u0111\u01b0\u1eddng x\u00edch \u0111\u1ea1o). T rong kho\u1ea3ng th\u1eddi gian \u0111\u00f3 M\u1eb7t Tr\u1eddi chuy\u1ec3n t\u1eeb \u0111\u00f4ng sang t\u00e2y \u0111\u01b0\u1ee3c 25,8 \u0111\u1ed9, g\u00f3c chuy\u1ec3n d\u1ecbch c\u1ee7a v\u1ec7 tinh \u0111\u00fang b\u1eb1ng v\u1edbi g\u00f3c chuy\u1ec3n d\u1ecbch c\u1ee7a M\u1eb7t T r\u1eddi, cho n\u00ean ng\u01b0\u1eddi ta g\u1ecdi v\u1ec7 tinh t\u00e0i nguy\u00ean T r\u00e1i \u0110\u1ea5t l\u00e0 “v\u1ec7 tinh \u0111\u1ed3ng b\u1ed9 v\u1edbi M\u1eb7t T r\u1eddi”. T heo thi\u1ebft k\u1ebf<\/a>, th\u1eddi gian v\u1ec7 tinh qua \u0111\u01b0\u1eddng x\u00edch \u0111\u1ea1o \u0111\u1ec1u v\u00e0o 9 h 30 ph s\u00e1ng, \u0111\u00fang l\u00fac \u00e1nh s\u00e1ng M\u1eb7t T r\u1eddi d\u1ecbu nh\u1ea5t, th\u00edch h\u1ee3p v\u1edbi ch\u1ee5p \u1ea3nh. V\u1ec7 tinh t\u00e0i nguy\u00ean Tr\u00e1i \u0110\u1ea5t sau 18 ng\u00e0y quay \u0111\u01b0\u1ee3c 251 v\u00f2ng, n\u00f3 s\u1ebd ch\u1ee5p \u1ea3nh h\u1ebft c\u00e1c v\u00f9ng c\u1ee7a T r\u00e1i \u0110\u1ea5t, sau \u0111\u00f3 l\u1ea1i b\u1eaft \u0111\u1ea7u t\u1eeb qu\u1ef9 \u0111\u1ea1o th\u1ee9 nh\u1ea5t, c\u1ee9 18 ng\u00e0y th\u00ec c\u00f3 th\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t b\u1ee9c \u1ea3nh c\u1ee7a m\u1ed9t khu v\u1ef1c c\u1ed1 \u0111\u1ecbnh.<\/p>\n\n\n\n Tr\u00ean v\u1ec7 tinh t\u00e0i nguy\u00ean Tr\u00e1i \u0110\u1ea5t mang hai lo\u1ea1i thi\u1ebft b\u1ecb ch\u1ee5p \u1ea3nh (g\u1ecdi l\u00e0 m\u00e1y c\u1ea3m nh\u1eadn t\u1eeb xa) m\u1ed9t lo\u1ea1i l\u00e0 m\u00e1y ch\u1ee5p h\u00ecnh v\u00f4 tuy\u1ebfn \u0111\u01b0\u1ee3c d\u00f9ng \u1ed1ng h\u00ecnh ch\u00f9m ph\u1ea3n quang, gi\u1ed1ng nh\u01b0 m\u00e1y ch\u1ee5p \u1ea3nh v\u00f4 tuy\u1ebfn, m\u1ed9t lo\u1ea1i kh\u00e1c l\u00e0 m\u00e1y qu\u00e9t \u0111a quang ph\u1ed5, c\u00f3 th\u1ec3 t\u00e1ch s\u00f3ng \u0111i\u1ec7n t\u1eeb c\u1ee7a m\u1eb7t \u0111\u1ea5t ph\u1ea3n x\u1ea1 l\u1ea1i theo s\u00f3ng d\u00e0i v\u00e0 ghi l\u1ea1i. Nh\u1eefng t\u00edn hi\u1ec7u quang h\u1ecdc c\u1ee7a c\u00e1c m\u00e1y n\u00e0y ti\u1ebfp thu \u0111\u01b0\u1ee3c \u0111\u1ec1u chuy\u1ec3n \u0111\u1ed5i th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n \u0111\u01b0\u1ee3c ghi l\u1ea1i tr\u00ean b\u0103ng t\u1eeb. Ch\u1edd \u0111\u1ebfn khi v\u1ec7 tinh bay qua tr\u00ean tr\u1ea1m thu m\u1eb7t \u0111\u1ea5t th\u00ec tr\u1ea1m m\u1eb7t \u0111\u1ea5t d\u00f9ng b\u0103ng t\u1eeb ghi l\u1ea1i c\u00e1c t\u00edn hi\u1ec7u \u0111i\u1ec7n \u00e1p t\u1eeb v\u1ec7 tinh ph\u00e1t v\u1ec1, qua x\u1eed l\u00fd c\u1ee7a m\u00e1y t\u00ednh bi\u1ebfn n\u00f3 th\u00e0nh t\u00edn hi\u1ec7u quang h\u1ecdc, in th\u00e0nh \u1ea3nh tr\u00ean c\u00e1c ch\u1ea5t li\u1ec7u c\u1ea3m quang. \u0110\u00f3 ch\u00ednh l\u00e0 \u1ea3nh v\u1ec7 tinh. Ph\u1ea1m vi m\u1ed7i b\u1ee9c \u1ea3nh v\u1ec7 tinh ch\u1ee5p l\u00e0 34.225 km2 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi ph\u1ea1m vi c\u1ee7a 1.000 – 10.000 b\u1ee9c \u1ea3nh h\u00e0ng kh\u00f4ng, h\u01a1n n\u1eefa n\u00f3 kh\u00e1c v\u1edbi \u1ea3nh h\u00e0ng kh\u00f4ng l\u00e0 kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft, \u0111\u1ecba h\u00ecnh nh\u1ea5p nh\u00f4. Do \u0111\u00f3 hi\u1ec7u qu\u1ea3 \u0111i\u1ec1u tra c\u1ee7a n\u00f3 nhanh v\u00e0 r\u1ebb h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi \u1ea3nh h\u00e0ng kh\u00f4ng. N\u1ebfu so s\u00e1nh v\u1edbi ch\u1ee5p \u1ea3nh t\u1eeb m\u1eb7t \u0111\u1ea5t th\u00ec hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3 l\u1ea1i c\u00e0ng kh\u00f4ng th\u1ec3 n\u00f3i h\u1ebft \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n \u0110\u1ed1i v\u1edbi c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng t\u1ef1 nhi\u00ean c\u00f3 t\u1ed1c \u0111\u1ed9 bi\u1ebfn \u0111\u1ed5i nhanh, nh\u01b0 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00fai l\u1eeda, l\u0169 l\u1ee5t c\u1ee7a c\u00e1c d\u00f2ng s\u00f4ng, s\u1ef1 chuy\u1ec3n d\u1eddi c\u1ee7a c\u1eeda s\u00f4ng v\u00e0 b\u1edd bi\u1ec3n, c\u0169ng nh\u01b0 d\u1ef1 \u0111o\u00e1n thu ho\u1ea1ch m\u00f9a m\u00e0ng th\u00ec v\u1ec7 tinh t\u00e0i nguy\u00ean l\u00e0 m\u1ed9t gi\u00e1m s\u00e1t vi\u00ean r\u1ea5t \u01b0u vi\u1ec7t.<\/p>\n\n\n\n Ch\u00ednh v\u00ec k\u0129 thu\u1eadt c\u1ea3m nh\u1eadn t\u1eeb xa c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m nh\u01b0 th\u1ebf n\u00ean ng\u00e0y nay \u0111\u00e3 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 t\u00ecm ki\u1ebfm c\u00e1c m\u1ecf, th\u0103m d\u00f2 c\u00e1c c\u00f4ng tr\u00ecnh, d\u1ef1 b\u00e1o n\u00fai l\u1eeda v\u00e0 \u0111\u1ed9ng \u0111\u1ea5t, \u0111i\u1ec1u tra r\u1eebng v\u00e0 ph\u00f2ng ch\u1ed1ng ch\u00e1y r\u1eebng, d\u1ef1 \u0111o\u00e1n thu ho\u1ea1ch m\u00f9a m\u00e0ng, th\u1eadm ch\u00ed c\u00f2n c\u00f3 th\u1ec3 \u0111o c\u1ef1 ly chuy\u1ec3n \u0111\u1ed9ng gi\u1eefa c\u00e1c l\u1ee5c \u0111\u1ecba.<\/p>\n\n\n\n T \u1eeb kho\u00e1: K\u0129 thu\u1eadt c\u1ea3m nh\u1eadn t\u1eeb xa; V\u1ec7 tinh t\u00e0i nguy\u00ean Tr\u00e1i \u0110\u1ea5t.<\/p>\n","protected":false},"excerpt":{"rendered":" \u0110\u1ea7u th\u1eadp k\u1ef7 60 c\u1ee7a th\u1ebf k\u1ef7 XX, Li\u00ean X\u00f4 \u0111\u00e3 b\u00ed m\u1eadt ch\u1edf t\u00ean l\u1eeda sang Cu Ba, kh\u00f4ng ng\u1edd b\u1ecb t\u00ecnh b\u00e1o M\u1ef9 ph\u00e1t hi\u1ec7n. Ai l\u00e0 \u0111i\u1ec7p vi\u00ean trong v\u1ee5 n\u00e0y? \u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 con ng\u01b0\u1eddi m\u00e0 l\u00e0 m\u00e1y ch\u1ee5p \u1ea3nh trinh s\u00e1t tr\u00ean kh\u00f4ng l\u1ea7n \u0111\u1ea7u ti\u00ean ph\u00e1t hi\u1ec7n. Vi\u1ec7c […]<\/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":[15,19],"tags":[],"class_list":["post-10177","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-tu-nhien"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10177","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=10177"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10177\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=10177"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=10177"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=10177"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}