Ng\u00e0y nay ch\u1ee5p \u1ea3nh tr\u00ean kh\u00f4ng l\u00e0 m\u1ed9t ph\u01b0\u01a1ng th\u1ee9c quan tr\u1ecdng \u0111\u1ec3 t\u00ecm hi\u1ec3u t\u00ecnh h\u00ecnh d\u01b0\u1edbi \u0111\u1ea5t.<\/p>\n\n\n\n
V\u00ec trong k\u0129 thu\u1eadt c\u1ea3m nh\u1eadn t\u1eeb xa (vi\u1ec5n th\u00e1m) d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p nhi\u1ec1u d\u1ea3i t\u1ea7n l\u00e0m th\u00e0nh \u1ea3nh, khi\u1ebfn cho nh\u1eefng v\u1eadt tr\u00ean m\u1eb7t \u0111\u1ea5t kh\u00f3 ph\u00e1t hi\u1ec7n ho\u1eb7c n\u1eb1m t\u1ea3n m\u1ea1n d\u01b0\u1edbi l\u1edbp \u0111\u1ea5t d\u00e0y v\u00e0 t\u00e0i nguy\u00ean d\u01b0\u1edbi r\u1eebng xanh c\u0169ng c\u00f3 th\u1ec3 hi\u1ec7n r\u00f5 nguy\u00ean h\u00ecnh.<\/p>\n\n\n\n
V\u00ec sao \u1ea3nh nhi\u1ec1u d\u1ea3i t\u1ea7n l\u1ea1i “th\u1ea7n th\u00f4ng qu\u1ea3ng \u0111\u1ea1i” nh\u01b0 th\u1ebf?<\/p>\n\n\n\n
B\u1edfi v\u00ec \u1ea3nh nhi\u1ec1u d\u1ea3i t\u1ea7n c\u0103n c\u1ee9 b\u01b0\u1edbc s\u00f3ng d\u00e0i c\u1ee7a s\u00f3ng \u0111i\u1ec7n t\u1eeb t\u1eeb c\u00e1c v\u1eadt d\u01b0\u1edbi \u0111\u1ea5t ph\u00e1t ra \u0111\u1ec3 ghi l\u1ea1i. \u0110i\u1ec1u \u0111\u00f3 c\u00f3 hi\u1ec7u qu\u1ea3 t\u01b0\u01a1ng t\u1ef1 gi\u1ed1ng nh\u01b0 khi ta ch\u1ee5p \u1ea3nh cho th\u00eam \u1ed1ng k\u00ednh l\u1ecdc m\u00e0u kh\u00e1c nhau v\u00e0o tr\u01b0\u1edbc \u1ed1ng k\u00ednh m\u00e1y \u1ea3nh. N\u1ebfu ta mu\u1ed1n kh\u1eafc ho\u1ea1 l\u00ean \u1ea3nh nh\u1eefng \u0111\u00e1m m\u00e2y hay c\u00e1c chi ti\u1ebft c\u1ea3nh v\u1eadt chung quanh th\u00ec ph\u1ea3i th\u00eam k\u00ednh l\u1ecdc m\u00e0u v\u00e0ng, n\u1ebfu \u0111\u1eb7t th\u00eam v\u00e0o nh\u1eefng k\u00ednh l\u1ecdc m\u00e0u kh\u00e1c nhau ta s\u1ebd \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 kh\u00e1c nhau. C\u00f9ng m\u1ed9t v\u1eadt th\u1ec3 tr\u00ean T r\u00e1i \u0110\u1ea5t, d\u00f9 m\u00e0u s\u1eafc hay hoa v\u0103n c\u1ee7a n\u00f3 tr\u00ean \u1ea3nh d\u1ea3i t\u1ea7n kh\u00e1c nhau \u0111\u1ec1u c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t. Nh\u1eefng v\u1eadt c\u00f3 t\u00ednh ch\u1ea5t kh\u00e1c nhau tr\u00ean T r\u00e1i \u0110\u1ea5t c\u00e0ng l\u00e0m cho b\u1ee9c \u1ea3nh nh\u1eadn \u0111\u01b0\u1ee3c kh\u00e1c nhau. Nh\u01b0 v\u1eady khi\u1ebfn cho ta c\u00f3 nhi\u1ec1u c\u0103n c\u1ee9 \u0111\u1ec3 ph\u00e2n t\u00edch, m\u1edf r\u1ed9ng t\u1ea7m nh\u00ecn, c\u00f3 th\u1ec3 ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c nh\u1eefng c\u1ea3m gi\u00e1c m\u00e0 t\u1eeb tr\u00ean m\u1eb7t \u0111\u1ea5t kh\u00f4ng d\u1ec5 quan s\u00e1t th\u1ea5y.<\/p>\n\n\n\n
V\u1eady l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c nh\u1eefng t\u00e0i nguy\u00ean t\u1ea3n m\u1ea1n n\u1eb1m s\u00e2u d\u01b0\u1edbi m\u1eb7t \u0111\u1ea5t? K\u0129 thu\u1eadt c\u1ea3m nh\u1eadn t\u1eeb xa ng\u00e0y nay ch\u01b0a th\u1ec3 th\u00f4ng qua ch\u1ee5p \u1ea3nh \u0111\u1ec3 th\u1ec3 hi\u1ec7n nh\u1eefng v\u1eadt n\u1eb1m d\u01b0\u1edbi \u0111\u1ea5t, nh\u01b0ng n\u00f3 c\u00f3 th\u1ec3 khi\u1ebfn cho k\u1ebft c\u1ea5u c\u1ee7a t\u1ea7ng \u0111\u1ea5t b\u00ean tr\u00ean v\u1eadt \u0111\u00f3 c\u0169ng nh\u01b0 \u0111\u1ecba h\u00ecnh ph\u00e1t sinh nh\u1eefng bi\u1ebfn \u0111\u1ed5i nh\u1ecf. Nh\u1eefng bi\u1ebfn \u0111\u1ed5i n\u00e0y khi\u1ebfn cho t\u00ednh ng\u1eadm n\u01b0\u1edbc, c\u00e1c lo\u1ea1i c\u00e2y m\u1ecdc ph\u00eda tr\u00ean v\u00e0 m\u1ee9c \u0111\u1ed9 d\u00e0y th\u01b0a c\u1ee7a n\u00f3 kh\u00e1c nhau. T \u1ea5t c\u1ea3 nh\u1eefng \u0111i\u1ec1u n\u00e0y \u0111\u1ec1u hi\u1ec7n r\u00f5 trong \u1ea3nh nhi\u1ec1u d\u1ea3i s\u00f3ng. V\u00ed d\u1ee5 l\u1ea5y n\u1ebfp g\u00e3y t\u1ea7ng \u1edf d\u01b0\u1edbi \u0111\u1ea5t m\u00e0 n\u00f3i, \u1edf c\u1ea1nh n\u00f3 th\u01b0\u1eddng ch\u1ee9a \u0111\u1ea7y n\u01b0\u1edbc, n\u01b0\u1edbc c\u00f3 t\u00ednh h\u1ea5p thu m\u1ea1nh \u0111\u1ed1i v\u1edbi s\u00f3ng \u0111i\u1ec7n t\u1eeb, cho n\u00ean tr\u00ean t\u1ea5m \u1ea3nh hi\u1ec7n ra m\u1ed9t m\u00e0u s\u1eabm ho\u00e0n to\u00e0n kh\u00e1c v\u1edbi chung quanh. Nh\u00ecn v\u00e0o \u0111\u00f3 ta c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c n\u1ebfp g\u00e3y. Kh\u00f4ng \u00edt n\u1ebfp g\u00e3y c\u00f3 li\u00ean quan v\u1edbi h\u00ecnh th\u00e0nh m\u1ecf. C\u00f3 m\u1ed9t s\u1ed1 m\u1ecf n\u1eb1m d\u01b0\u1edbi \u0111\u1ea5t c\u1ee7a c\u00e1nh r\u1eebng r\u1eadm, tr\u00ean m\u1eb7t \u0111\u1ea5t kh\u00f4ng nh\u1eefng kh\u00f3 ph\u00e1t hi\u1ec7n m\u00e0 d\u00f9ng m\u00e1y bay quan s\u00e1t c\u0169ng r\u1ea5t kh\u00f3, nh\u01b0ng ch\u1ea5t di\u1ec7p l\u1ee5c tr\u00ean l\u00e1 c\u00e2y c\u00f3 ph\u1ea3n x\u1ea1 r\u1ea5t m\u1ea1nh \u0111\u1ed1i v\u1edbi tia h\u1ed3ng ngo\u1ea1i. T r\u00ean t\u1ea5m \u1ea3nh d\u1ea3i s\u00f3ng tia h\u1ed3ng ngo\u1ea1i, r\u1eebng xanh kh\u00f4ng ph\u1ea3i l\u00e0 m\u00e0u \u0111\u1eadm m\u00e0 ng\u01b0\u1ee3c l\u1ea1i l\u00e0 m\u00e0u nh\u1ea1t. Nh\u01b0 v\u1eady \u0111\u01b0\u1eddng bi\u00ean c\u1ee7a m\u1ecf n\u1eb1m d\u01b0\u1edbi r\u1eebng xanh che ph\u1ee7 s\u1ebd hi\u1ec7n r\u00f5 ra. \u1ea2nh d\u1ea3i s\u00f3ng tia h\u1ed3ng ngo\u1ea1i \u0111\u1ed1i v\u1edbi nh\u1eefng m\u1ecf c\u00f3 th\u1ec3 b\u1ee9c x\u1ea1 nhi\u1ec7t, v\u00ed d\u1ee5 nh\u01b0 m\u1ecf kho\u00e1ng s\u1ea3n ph\u00f3ng x\u1ea1, ngu\u1ed3n \u0111\u1ecba nhi\u1ec7t, m\u1ecf l\u01b0u hu\u1ef3nh ho\u00e1 \u0111\u1ec1u \u0111\u1eb7c bi\u1ec7t nh\u1ea1y c\u1ea3m, do \u0111\u00f3 \u0111\u01b0\u1eddng bi\u00ean c\u1ee7a ch\u00fang r\u1ea5t r\u00f5 v\u00e0 d\u1ec5 ph\u00e1t hi\u1ec7n.<\/p>\n\n\n\n
Ng\u00e0y nay k\u0129 thu\u1eadt c\u1ea3m nh\u1eadn t\u1eeb xa \u0111\u00e3 ph\u00e1t tri\u1ec3n th\u00e0nh nhi\u1ec1u t\u1ea7ng th\u1ee9, nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p, nhi\u1ec1u \u0111\u1eb7c \u0111i\u1ec3m, tr\u00f9ng l\u1eb7p nhi\u1ec1u l\u1ea7n.<\/p>\n\n\n\n
Nhi\u1ec1u t\u1ea7ng th\u1ee9 l\u00e0 n\u00f3i v\u1eeba c\u00f3 th\u1ec3 d\u00f9ng v\u1ec7 tinh tr\u00ean cao \u0111\u1ec3 quan s\u00e1t (c\u1ea3m nh\u1eadn t\u1eeb xa b\u1eb1ng v\u0169 tr\u1ee5), \u1edf t\u1ea7ng v\u1eeba v\u00e0 th\u1ea5p c\u00f3 th\u1ec3 d\u00f9ng m\u00e1y bay mang theo m\u00e1y quan s\u00e1t (c\u1ea3m nh\u1eadn t\u1eeb xa b\u1eb1ng h\u00e0ng kh\u00f4ng), l\u1ea1i v\u1eeba c\u00f3 th\u1ec3 d\u00f9ng \u00f4 t\u00f4 c\u1ea3m nh\u1eadn t\u1eeb xa tr\u00ean m\u1eb7t \u0111\u1ea5t \u0111\u1ec3 quan s\u00e1t. C\u00f9ng m\u1ed9t v\u1eadt th\u1ec3 t\u1eeb nh\u1eefng \u0111\u1ed9 cao kh\u00e1c nhau quan s\u00e1t k\u0129 th\u00ec c\u00f3 th\u1ec3 t\u1eeb nh\u1eefng g\u00f3c \u0111\u1ed9 v\u00e0 \u0111\u1ed9 cao kh\u00e1c nhau thu th\u1eadp \u0111\u01b0\u1ee3c nhi\u1ec1u t\u00e0i li\u1ec7u, qua ph\u00e2n t\u00edch so s\u00e1nh c\u00f3 th\u1ec3 t\u00ecm ra s\u1ef1 ph\u00e1n \u0111o\u00e1n g\u1ea7n gi\u1ed1ng v\u1edbi v\u1eadt th\u1eadt.<\/p>\n\n\n\n
Nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p t\u1ee9c l\u00e0 n\u00f3i nh\u1eefng thi\u1ebft b\u1ecb c\u1ea3m nh\u1eadn t\u1eeb xa m\u00e0 ng\u00e0y nay \u0111ang d\u00f9ng \u0111\u00e3 c\u00f3 th\u1ec3 ti\u1ebfp thu quang ph\u1ed5 c\u1ee7a c\u00e1c d\u1ea3i s\u00f3ng \u0111i\u1ec7n t\u1eeb t\u1eeb \u00e1nh s\u00e1ng c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c \u0111\u1ebfn tia h\u1ed3ng ngo\u1ea1i v\u00e0 vi ba\u2026 C\u00f2n c\u00f3 th\u1ec3 d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p laze, d\u00f9ng \u1ea3nh v\u00e0 m\u00e1y qu\u00e9t \u0111a quang ph\u1ed5, \u0111\u1ed3ng th\u1eddi c\u00f3 th\u1ec3 ti\u1ebfp thu nh\u1eefng d\u1ea3i quang ph\u1ed5 kh\u00e1c nhau, c\u00f3 l\u00fac tr\u00ean v\u1ec7 tinh ho\u1eb7c m\u00e1y bay c\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ed3ng th\u1eddi nh\u1eefng thi\u1ebft b\u1ecb c\u00f3 nhi\u1ec1u d\u1ea3i song song \u0111\u1ec3 quan s\u00e1t. Nh\u01b0 ta \u0111\u00e3 bi\u1ebft, b\u1ea5t c\u1ee9 v\u1eadt th\u1ec3 n\u00e0o d\u01b0\u1edbi nh\u1eefng \u0111\u1eb7c t\u00ednh quang ph\u1ed5 c\u1ee7a c\u00e1c d\u1ea3i s\u00f3ng kh\u00e1c nhau \u0111\u1ec1u th\u1ec3 hi\u1ec7n kh\u00e1c nhau. Nh\u01b0 v\u1eady so v\u1edbi ch\u1ec9 d\u00f9ng m\u1ed9t d\u1ea3i s\u00f3ng (v\u00ed d\u1ee5 ch\u1ee5p \u1ea3nh ph\u1ed5 th\u00f4ng) th\u00ec s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c nhi\u1ec1u t\u01b0 li\u1ec7u v\u1ec1 \u0111\u1eb7c t\u00ednh c\u1ee7a v\u1eadt \u0111\u00f3. V\u1ec7 tinh t\u00e0i nguy\u00ean T r\u00e1i \u0110\u1ea5t c\u1ee9 18 ng\u00e0y l\u1ea1i quan s\u00e1t l\u1eb7p l\u1ea1i khu v\u1ef1c c\u0169 m\u1ed9t l\u1ea7n. Nh\u01b0ng v\u00ec \u1ea3nh h\u01b0\u1edfng c\u1ee7a th\u1eddi ti\u1ebft, s\u1ef1 l\u1edbn l\u00ean c\u1ee7a c\u00e2y c\u1ed1i v\u1edbi m\u1eb7t \u0111\u1ea5t v\u00e0 t\u00ecnh h\u00ecnh ch\u1ee9a n\u01b0\u1edbc thay \u0111\u1ed5i, c\u00e1c m\u00f9a kh\u00e1c nhau, \u0111\u1ed9 cao c\u1ee7a M\u1eb7t T r\u1eddi v\u00e0 g\u00f3c chi\u1ebfu c\u1ee7a \u00e1nh n\u1eafng c\u0169ng ph\u00e1t sinh bi\u1ebfn \u0111\u1ed5i, cho n\u00ean \u1ea3nh ch\u1ee5p c\u1ee7a c\u00f9ng m\u1ed9t v\u1eadt trong nh\u1eefng m\u00f9a v\u00e0 ng\u00e0y kh\u00e1c nhau c\u0169ng s\u1ebd b\u1ecb bi\u1ebfn \u0111\u1ed5i. V\u00ec v\u1eady ch\u00fang ta d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p ch\u1ee5p \u1ea3nh m\u1eb7t \u0111\u1ea5t t\u1eeb tr\u00ean kh\u00f4ng c\u00f3 th\u1ec3 t\u00ecm hi\u1ec3u \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u t\u00ecnh h\u00ecnh \u1edf d\u01b0\u1edbi \u0111\u1ea5t.<\/p>\n\n\n\n
T \u1eeb kho\u00e1: K\u0129 thu\u1eadt c\u1ea3m nh\u1eadn t\u1eeb xa; \u1ea3nh nhi\u1ec1u d\u1ea3i s\u00f3ng.<\/p>\n","protected":false},"excerpt":{"rendered":"
Ng\u00e0y nay ch\u1ee5p \u1ea3nh tr\u00ean kh\u00f4ng l\u00e0 m\u1ed9t ph\u01b0\u01a1ng th\u1ee9c quan tr\u1ecdng \u0111\u1ec3 t\u00ecm hi\u1ec3u t\u00ecnh h\u00ecnh d\u01b0\u1edbi \u0111\u1ea5t. V\u00ec trong k\u0129 thu\u1eadt c\u1ea3m nh\u1eadn t\u1eeb xa (vi\u1ec5n th\u00e1m) d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p nhi\u1ec1u d\u1ea3i t\u1ea7n l\u00e0m th\u00e0nh \u1ea3nh, khi\u1ebfn cho nh\u1eefng v\u1eadt tr\u00ean m\u1eb7t \u0111\u1ea5t kh\u00f3 ph\u00e1t hi\u1ec7n ho\u1eb7c n\u1eb1m t\u1ea3n m\u1ea1n d\u01b0\u1edbi l\u1edbp \u0111\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":[15,19],"tags":[],"class_list":["post-10179","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\/10179","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=10179"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10179\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=10179"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=10179"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=10179"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}