\u0110\u00e0o gi\u1ebfng xu\u1ed1ng \u0111\u1ea5t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c n\u01b0\u1edbc, \u0111\u00f3 l\u00e0 t\u00e0i nguy\u00ean n\u01b0\u1edbc. Khai th\u00e1c gi\u1ebfng than c\u00f3 th\u1ec3 t\u00ecm \u0111\u01b0\u1ee3c ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng, \u0111\u00f3 l\u00e0 t\u00e0i nguy\u00ean kho\u00e1ng s\u1ea3n. V\u0169 tr\u1ee5 \u1edf tr\u1ea1ng th\u00e1i ch\u00e2n kh\u00f4ng, tuy trong v\u1eadt l\u00fd ch\u00e2n kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 v\u1eadt ch\u1ea5t nh\u01b0ng h\u00ecnh th\u00e1i \u1edf \u0111\u00f3 l\u00e0 “kh\u00f4ng c\u00f3 g\u00ec”. V\u1eady trong ch\u00e2n kh\u00f4ng c\u00f3 t\u00e0i nguy\u00ean g\u00ec \u0111\u1ec3 c\u00f3 th\u1ec3 khai th\u00e1c?<\/p>\n\n\n\n
T\u1ee5c ng\u1eef n\u00f3i: “\u0110\u1ee9ng c\u00e0ng cao nh\u00ecn c\u00e0ng xa”.<\/p>\n\n\n\n
M\u00e1y bay bay tr\u00ean cao kh\u00f4ng c\u00f3 g\u00ec ng\u0103n c\u1ea3n, n\u00fai cao v\u00e0 l\u00f2ng s\u00f4ng tr\u1edf th\u00e0nh r\u1ea5t nh\u1ecf, t\u1ea7m nh\u00ecn v\u00f4 c\u00f9ng r\u1ed9ng m\u1edf. N\u1ebfu t\u1eeb t\u00e0u v\u0169 tr\u1ee5 tr\u00ean kh\u00f4ng nh\u00ecn xu\u1ed1ng th\u00ec khu v\u1ef1c nh\u00ecn th\u1ea5y c\u00e0ng r\u1ed9ng h\u01a1n, th\u1eadm ch\u00ed c\u00f3 th\u1ec3 nh\u00ecn h\u1ebft c\u1ea3 Tr\u00e1i \u0110\u1ea5t. Cho n\u00ean cao v\u00e0 xa c\u0169ng l\u00e0 m\u1ed9t t\u00e0i nguy\u00ean quan tr\u1ecdng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 t\u00e0i nguy\u00ean v\u1ecb tr\u00ed cao xa trong kh\u00f4ng gian.<\/p>\n\n\n\n
N\u00f3i chung c\u00e1c thi\u1ebft b\u1ecb v\u0169 tr\u1ee5 c\u00f3 qu\u1ef9 \u0111\u1ea1o th\u1ea5p nh\u1ea5t c\u00e1ch m\u1eb7t \u0111\u1ea5t kho\u1ea3ng 200 km, \u0111\u00f3 l\u00e0 nh\u1eefng vi\u1ec7c nh\u01b0 d\u00f9ng m\u00e1y bay, khinh kh\u00ed c\u1ea7u ho\u1ea1t \u0111\u1ed9ng d\u1ef1a v\u00e0o nguy\u00ean l\u00fd \u0111\u1ed9ng l\u1ef1c h\u1ecdc c\u1ee7a kh\u00f4ng kh\u00ed. Nh\u1eefng thi\u1ebft b\u1ecb v\u0169 tr\u1ee5 g\u1ea7n nh\u01b0 \u0111\u1ee9ng im \u0111\u1ed1i v\u1edbi Tr\u00e1i \u0110\u1ea5t s\u1ebd kh\u00f4ng b\u1ecb bi\u00ean gi\u1edbi qu\u1ed1c gia v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m \u0111\u1ecba l\u00fd h\u1ea1n ch\u1ebf.<\/p>\n\n\n\n
Nh\u1eefng th\u00e1p cao, n\u00fai cao tr\u00ean m\u1eb7t \u0111\u1ea5t kh\u00f4ng th\u1ec3 n\u00e0o so s\u00e1nh n\u1ed5i v\u1edbi n\u00f3. C\u00e1c thi\u1ebft b\u1ecb v\u0169 tr\u1ee5 c\u00f3 th\u1ec3 quay quanh Tr\u00e1i \u0110\u1ea5t n\u00ean ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng so v\u1edbi m\u00e1y bay l\u1edbn h\u01a1n nhi\u1ec1u.<\/p>\n\n\n\n
C\u00e1c thi\u1ebft b\u1ecb v\u0169 tr\u1ee5 c\u00f3 v\u1ecb tr\u00ed trong v\u0169 tr\u1ee5 c\u00e0ng cao th\u00ec ph\u1ea1m vi quan s\u00e1t tr\u00ean m\u1eb7t \u0111\u1ea5t c\u00e0ng l\u1edbn. V\u1eady c\u00f3 ph\u1ea3i l\u00e0 c\u00e0ng cao th\u00ec c\u00e0ng t\u1ed1t kh\u00f4ng? C\u0169ng kh\u00f4ng ho\u00e0n to\u00e0n nh\u01b0 th\u1ebf. \u0110\u1eb7t m\u1ed9t quy\u1ec3n s\u00e1ch tr\u00ean m\u1eb7t \u0111\u1ea5t, \u0111\u1ee9ng cao 1 m th\u00ec c\u00e1c ch\u1eef tr\u00ean b\u00eca s\u00e1ch c\u00f2n nh\u00ecn r\u00f5, nh\u01b0ng n\u1ebfu l\u00ean t\u1ea7ng hai c\u1ee7a ng\u00f4i nh\u00e0 cao 4 – 5 m nh\u00ecn xu\u1ed1ng th\u00ec ch\u1eef tr\u00ean b\u00eca s\u00e1ch kh\u00f4ng c\u00f2n r\u00f5 n\u1eefa. N\u1ebfu d\u00f9ng c\u00e1c thi\u1ebft b\u1ecb v\u0169 tr\u1ee5 c\u00e1ch xa m\u1ea5y tr\u0103m \u0111\u1ebfn m\u1ea5y ngh\u00ecn km th\u00ec c\u00f3 th\u1ec3 ngay \u0111\u1ebfn quy\u1ec3n s\u00e1ch c\u0169ng kh\u00f4ng nh\u00ecn th\u1ea5y n\u1eefa. Cho n\u00ean v\u1ecb tr\u00ed c\u00e0ng cao ph\u1ea1m vi quan s\u00e1t c\u00e0ng l\u1edbn, nh\u01b0ng m\u1eadt \u0111\u1ed9 th\u00f4ng tin c\u00e0ng th\u1ea5p. C\u00f9ng v\u1edbi s\u1ef1 ti\u1ebfn b\u1ed9 c\u1ee7a khoa h\u1ecdc k\u1ef9 thu\u1eadt, ng\u00e0y nay c\u00e1c thi\u1ebft b\u1ecb quan s\u00e1t m\u1eb7t \u0111\u1ea5t c\u00f3 kh\u1ea3 n\u0103ng ph\u00e2n bi\u1ec7t cao \u0111\u01b0\u1ee3c trang b\u1ecb cho c\u00e1c con t\u00e0u v\u0169 tr\u1ee5, \u0111i\u1ec1u \u0111\u00f3 s\u1ebd b\u00f9 \u0111\u1eafp l\u1ea1i nh\u1eefng khi\u1ebfm khuy\u1ebft m\u1eadt \u0111\u1ed9 th\u00f4ng tin kh\u00f4ng \u0111\u1ee7. \u0110i\u1ec1u \u0111\u00f3 c\u0169ng gi\u1ed1ng nh\u01b0 b\u1ea1n \u0111\u1ee9ng tr\u00ean t\u1ea7ng hai nh\u01b0ng d\u00f9ng k\u00ednh vi\u1ec5n v\u1ecdng \u0111\u1ec3 nh\u00ecn t\u1eebng ch\u1eef tr\u00ean cu\u1ed1n s\u00e1ch \u0111\u1eb7t d\u01b0\u1edbi m\u1eb7t \u0111\u1ea5t.<\/p>\n\n\n\n
\u0110i\u1ec3n h\u00ecnh v\u1ec1 s\u1ef1 l\u1ee3i d\u1ee5ng t\u00e0i nguy\u00ean v\u1ecb tr\u00ed cao, xa trong v\u0169 tr\u1ee5 l\u00e0 c\u00e1c thi\u1ebft b\u1ecb v\u0169 tr\u1ee5 \u0111\u1ee9ng y\u00ean tr\u00ean qu\u1ef9 \u0111\u1ea1o quanh Tr\u00e1i \u0110\u1ea5t. N\u00f3 treo \u1edf \u0111\u1ed9 cao kho\u1ea3ng 3 v\u1ea1n 6 ng\u00e0n km tr\u00ean kh\u00f4ng \u0111\u01b0\u1eddng x\u00edch \u0111\u1ea1o, quay v\u1edbi qu\u1ef9 \u0111\u1ea1o h\u00ecnh tr\u00f2n c\u00f3 c\u00f9ng t\u1ed1c \u0111\u1ed9 g\u00f3c v\u1edbi Tr\u00e1i \u0110\u1ea5t t\u1ef1 quay v\u00e0 quay quanh m\u1eb7t ph\u1eb3ng x\u00edch \u0111\u1ea1o, l\u1ea5y Tr\u00e1i<\/p>\n\n\n\n
\u0110\u1ea5t l\u00e0m t\u00e2m. M\u1ed9t v\u1ec7 tinh \u0111\u1ecba t\u0129nh c\u00f3 th\u1ec3 bao tr\u00f9m m\u1ed9t khu v\u1ef1c l\u1edbn 2\/5 Tr\u00e1i \u0110\u1ea5t. N\u1ebfu \u1edf tr\u00ean qu\u1ef9 \u0111\u1ea1o h\u00ecnh tr\u00f2n n\u00e0y \u0111\u1eb7t ba v\u1ec7 tinh tr\u00ean ba \u0111\u1ec9nh c\u1ee7a m\u1ed9t tam gi\u00e1c \u0111\u1ec1u th\u00ec c\u00f3 th\u1ec3 bao qu\u00e1t to\u00e0n b\u1ed9 s\u1ef1 quan s\u00e1t v\u00e0 th\u00f4ng tin c\u1ee7a c\u1ea3 Tr\u00e1i \u0110\u1ea5t, tr\u1eeb Nam v\u00e0 B\u1eafc C\u1ef1c ra.<\/p>\n\n\n\n
T\u00e0i nguy\u00ean l\u00e0 c\u00f3 h\u1ea1n, t\u00e0i nguy\u00ean v\u1ecb tr\u00ed cao, xa trong kh\u00f4ng gian v\u0169 tr\u1ee5 c\u0169ng th\u1ebf. Qu\u1ef9 \u0111\u1ea1o \u0111\u1ecba t\u0129nh c\u1ee7a Tr\u00e1i \u0110\u1ea5t n\u00f3i \u0111\u1ebfn tr\u00ean \u0111\u00e2y ch\u1ec9 c\u00f3 m\u1ed9t \u0111\u01b0\u1eddng duy nh\u1ea5t. \u0110\u01b0\u1eddng \u0111\u00f3 l\u00e0 v\u1ecb tr\u00ed qu\u1ef9 \u0111\u1ea1o c\u00f3 l\u1ee3i nh\u1ea5t, m\u1ed9t khi b\u1ecb ng\u01b0\u1eddi kh\u00e1c chi\u1ebfm h\u1eefu th\u00ec kh\u00f3 c\u00f3 th\u1ec3 khai th\u00e1c \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n
Ngo\u00e0i ngu\u1ed3n t\u00e0i nguy\u00ean v\u1ecb tr\u00ed cao xa tr\u00ean kh\u00f4ng th\u00ec t\u00e0i nguy\u00ean kh\u00f4ng gian c\u00f2n l\u00e0 v\u00f9ng ch\u00e2n kh\u00f4ng tr\u00ean cao v\u00e0 t\u00e0i nguy\u00ean m\u00f4i tr\u01b0\u1eddng v\u0169 tr\u1ee5 trong s\u1ea1ch, t\u00e0i nguy\u00ean m\u00f4i tr\u01b0\u1eddng tr\u1ecdng l\u1ef1c nh\u1ecf, t\u00e0i nguy\u00ean M\u1eb7t Tr\u1eddi v\u00e0 t\u00e0i nguy\u00ean M\u1eb7t Tr\u0103ng. Ch\u1eb3ng qua \u1edf th\u1ebf k\u1ef7 XX ngu\u1ed3n t\u00e0i nguy\u00ean th\u1ef1c s\u1ef1 \u0111\u01b0a l\u1ea1i l\u1ee3i \u00edch kinh t\u1ebf v\u00e0 x\u00e3 h\u1ed9i to l\u1edbn cho con ng\u01b0\u1eddi m\u1edbi ch\u1ec9 l\u00e0 s\u1ef1 khai th\u00e1c t\u00e0i nguy\u00ean v\u1ec1 v\u1ecb tr\u00ed kh\u00f4ng gian trong v\u0169 tr\u1ee5 m\u00e0 th\u00f4i.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: T\u00e0i nguy\u00ean kh\u00f4ng gian; T\u00e0i nguy\u00ean v\u1ecb tr\u00ed cao xa trong v\u0169 tr\u1ee5.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
\u0110\u00e0o gi\u1ebfng xu\u1ed1ng \u0111\u1ea5t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c n\u01b0\u1edbc, \u0111\u00f3 l\u00e0 t\u00e0i nguy\u00ean n\u01b0\u1edbc. Khai th\u00e1c gi\u1ebfng than c\u00f3 th\u1ec3 t\u00ecm \u0111\u01b0\u1ee3c ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng, \u0111\u00f3 l\u00e0 t\u00e0i nguy\u00ean kho\u00e1ng s\u1ea3n. V\u0169 tr\u1ee5 \u1edf tr\u1ea1ng th\u00e1i ch\u00e2n kh\u00f4ng, tuy trong v\u1eadt l\u00fd ch\u00e2n kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 v\u1eadt ch\u1ea5t nh\u01b0ng h\u00ecnh th\u00e1i \u1edf \u0111\u00f3 l\u00e0 […]<\/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-7275","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\/7275","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=7275"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7275\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=7275"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=7275"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=7275"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}