N\u00f3i \u0111\u1ebfn \u00e1nh tr\u0103ng ng\u01b0\u1eddi ta th\u01b0\u1eddng li\u00ean t\u01b0\u1edfng \u0111\u1ebfn m\u00e0u tr\u1eafng b\u1ea1c v\u00e0 cho r\u1eb1ng nh\u1eefng c\u1ea3m nh\u1eadn kh\u00e1c nhau v\u1ec1 m\u00e0u l\u00e0 do x\u00fac c\u1ea3m g\u00e2y n\u00ean. Th\u1eadt ra \u0111i\u1ec1u n\u00e0y kh\u00f4ng ph\u1ea3i do x\u00fac c\u1ea3m, m\u00e0 l\u00e0 do nh\u1eefng ph\u1ea3n \u1ee9ng quang h\u1ecdc kh\u00e1c nhau trong th\u1eddi gian \u00e1nh tr\u0103ng.<\/p>\n\n\n\n
T\u1eeb th\u1eadp ni\u00ean 1960, c\u00e1c nh\u00e0 thi\u00ean v\u0103n h\u1ecdc \u0111\u00e3 s\u1eed d\u1ee5ng nh\u1eefng lo\u1ea1i phim \u1ea3nh c\u1ef1c nh\u1ea1y \u0111\u1ec3 l\u00e0m s\u00e1ng t\u1ecf v\u1ec1 m\u00e0u tr\u0103ng. M\u1eb7t tr\u0103ng ch\u1ec9 ho\u00e0n to\u00e0n tr\u1eafng v\u00e0o ban ng\u00e0y. \u0110i\u1ec1u n\u00e0y l\u00e0 do m\u00e0u xanh da tr\u1eddi \u0111\u01b0\u1ee3c ho\u00e0 v\u00e0o m\u00e0u v\u00e0ng ch\u00ednh c\u1ee7a m\u1eb7t tr\u0103ng.<\/p>\n\n\n\n
Trong nh\u1eefng ng\u00e0y c\u00f3 tr\u0103ng, v\u00e0o bu\u1ed5i chi\u1ec1u ho\u1eb7c s\u1ea9m t\u1ed1i, m\u00e0u xanh da tr\u1eddi y\u1ebfu \u0111i, m\u1eb7t tr\u0103ng tr\u1edf n\u00ean v\u00e0ng h\u01a1n, v\u00e0 \u0111\u1ebfn m\u1ed9t l\u00fac n\u00e0o \u0111\u00f3 s\u1ebd g\u1ea9n nh\u01b0 v\u00e0ng tuy\u1ec1n. Khi ho\u00e0ng h\u00f4n t\u1eaft h\u1eb3n, tr\u0103ng l\u1ea1i tr\u1edf n\u00ean tr\u1eafng v\u00e0ng. Trong th\u1eddi gian c\u00f2n l\u1ea1i c\u1ee7a \u0111\u00eam, tr\u0103ng gi\u1eef m\u00e0u v\u00e0ng s\u00e1ng.<\/p>\n\n\n\n
V\u00e0o m\u00f9a \u0110\u00f4ng, trong nh\u1eefng \u0111\u00eam tr\u1eddi quang \u0111\u00e3ng, khi tr\u0103ng l\u00ean cao c\u00f3 v\u1ebb tr\u1eafng h\u01a1n. Nh\u01b0ng khi xu\u1ed1ng g\u1ea9n t\u1edbi ch\u00e2n tr\u1eddi, tr\u0103ng l\u1ea1i c\u00f3 m\u00e0u \u0111\u1ecf v\u00e0 cam.<\/p>\n\n\n\n
N\u1ebfu quanh m\u1eb7t tr\u0103ng c\u00f3 nh\u1eefng \u0111\u00e1m m\u00e2y h\u1ed3ng cam, \u00e1nh tr\u0103ng chuy\u1ec3n sang m\u00e0u l\u00e1 c\u00e2y pha xanh l\u01a1. S\u1ef1 t\u01b0\u01a1ng ph\u1ea3n m\u00e0u s\u1eafc nh\u01b0 v\u1eady \u0111\u01b0\u1ee3c th\u1ea5y r\u00f5 h\u01a1n trong nh\u1eefng ng\u00e0y tr\u0103ng l\u01b0\u1ee1i li\u1ec1m. S\u1ef1 t\u01b0\u01a1ng ph\u1ea3n gi\u1ea3m b\u1edbt khi tr\u0103ng \u0111\u1ea9y th\u00eam. Nh\u00ecn qua \u00e1nh s\u00e1ng n\u1ebfn v\u1ed1n c\u00f3 m\u00e0u s\u1eafc h\u01a1i \u0111\u1ecf, tr\u0103ng c\u0169ng s\u1ebd c\u00f3 m\u00e0u xanh l\u00e1 c\u00e2y pha xanh l\u01a1.<\/p>\n\n\n\n
Th\u1ecb gi\u00e1c c\u0169ng b\u1ecb \u0111\u00e1nh l\u1eeba. N\u1ebfu b\u1ea1n nh\u00ecn v\u00e0o m\u1ed9t \u0111\u1ed1ng l\u1eeda m\u00e0u cam kho\u1ea3ng n\u1eeda ti\u1ebfng, sau \u0111\u00f3 nh\u00ecn l\u00ean m\u1eb7t tr\u0103ng, b\u1ea1n s\u1ebd th\u1ea5y n\u00f3 c\u00f3 m\u00e0u lam.<\/p>\n\n\n\n
M\u1eb7t tr\u0103ng c\u0169ng nh\u01b0 M\u1eb7t tr\u1eddi, khi \u1edf v\u1ecb tr\u00ed th\u1ea5p g\u1ea9n s\u00e1t \u0111\u01b0\u1eddng ch\u00e2n tr\u1eddi, ch\u00fang c\u00f3 m\u00e0u v\u00e0ng cam, \u0111\u00f4i khi \u0111\u1ecf s\u1eadm nh\u01b0 m\u00e0u m\u00e1u. \u0110\u00f3 l\u00e0 do s\u1ef1 kh\u00fac x\u1ea1 c\u00e1c ch\u00f9m tia s\u00e1ng trong kh\u00ed quy\u1ec3n v\u00e0 c\u0169ng do tr\u1ea1ng th\u00e1i c\u1ee7a ch\u00ednh kh\u00ed quy\u1ec3n.<\/p>\n\n\n\n
C\u0169ng c\u00f3 m\u1ed9t tr\u01b0\u1eddng h\u1ee3p kh\u00e1c \u00e1nh tr\u0103ng mang s\u1eafc m\u00e1u. \u0110\u00f3 l\u00e0 \u00e1nh tr\u0103ng sau nguy\u1ec7t th\u1ef1c. V\u00ec \u00e1nh tr\u0103ng l\u00e0 do s\u1ef1 ph\u1ea3n chi\u1ebfu \u00e1nh s\u00e1ng M\u1eb7t tr\u1eddi. Trong th\u1eddi gian nguy\u1ec7t th\u1ef1c, Tr\u00e1i \u0111\u1ea5t che khu\u1ea5t m\u1eb7t tr\u0103ng. B\u1ea9u kh\u00ed quy\u1ec3n c\u1ee7a Tr\u00e1i \u0111\u1ea5t ph\u00e2n t\u00e1n tia xanh nhi\u1ec1u h\u01a1n tia \u0111\u1ecf. Trong th\u1eddi gian Tr\u00e1i \u0111\u1ea5t b\u1eaft \u0111\u1ea9u ra kh\u1ecfi v\u00f9ng che m\u1eb7t tr\u0103ng, nh\u1eefng tia \u0111\u1ecf \u0111i \u0111\u1ebfn m\u1eb7t tr\u0103ng nhi\u1ec1u h\u01a1n. Khi b\u1eaft \u0111\u1ea9u ch\u1ea5m d\u1ee9t nguy\u1ec7t th\u1ef1c, m\u1eb7t tr\u0103ng nh\u1eadn \u0111\u01b0\u1ee3c tia \u0111\u1ecf nhi\u1ec1u h\u01a1n v\u00e0 ph\u1ea3n chi\u1ebfu v\u1ec1 Tr\u00e1i \u0111\u1ea5t m\u1ed9t m\u00e0u \u0111\u1ecf \u00faa. Sau \u0111\u00f3 \u00e1nh tr\u0103ng t\u1eeb t\u1eeb tr\u1edf l\u1ea1i nh\u01b0 b\u00ecnh th\u01b0\u1eddng.<\/p>\n\n\n\n
\u0110\u00f3 l\u00e0 nh\u1eefng thay \u0111\u1ed5i c\u1ee7a \u00e1nh tr\u0103ng nh\u00ecn t\u1eeb Tr\u00e1i \u0111\u1ea5t. Qua s\u1ef1 ph\u00e2n t\u00edch c\u00e1c tia h\u1ed3ng ngo\u1ea1i v\u00e0 t\u1eed ngo\u1ea1i, c\u00e1c nh\u00e0 khoa h\u1ecdc c\u00f2n t\u00ecm th\u1ea5y nh\u1eefng s\u1ef1 thay \u0111\u1ed5i m\u00e0u s\u1eafc kh\u00e1c, ngay tr\u00ean b\u1ec1 m\u1eb7t m\u1eb7t tr\u0103ng. T\u1eeb nh\u1eefng mi\u1ec7ng n\u00fai l\u1eeda \u0111\u00e3 ng\u01b0ng ho\u1ea1t \u0111\u1ed9ng t\u1eeb l\u00e2u \u0111\u1ebfn c\u00e1c v\u00f9ng kh\u00e1c tr\u00ean m\u1eb7t tr\u0103ng, do \u1ea3nh h\u01b0\u1edfng c\u1ee7a c\u00e1c lo\u1ea1i qu\u1eb7ng kim lo\u1ea1i, c\u0169ng c\u00f3 n\u01a1i t\u01b0\u01a1ng \u0111\u1ed1i xanh, c\u00f3 n\u01a1i t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u1ecf.<\/p>\n","protected":false},"excerpt":{"rendered":"
N\u00f3i \u0111\u1ebfn \u00e1nh tr\u0103ng ng\u01b0\u1eddi ta th\u01b0\u1eddng li\u00ean t\u01b0\u1edfng \u0111\u1ebfn m\u00e0u tr\u1eafng b\u1ea1c v\u00e0 cho r\u1eb1ng nh\u1eefng c\u1ea3m nh\u1eadn kh\u00e1c nhau v\u1ec1 m\u00e0u l\u00e0 do x\u00fac c\u1ea3m g\u00e2y n\u00ean. Th\u1eadt ra \u0111i\u1ec1u n\u00e0y kh\u00f4ng ph\u1ea3i do x\u00fac c\u1ea3m, m\u00e0 l\u00e0 do nh\u1eefng ph\u1ea3n \u1ee9ng quang h\u1ecdc kh\u00e1c nhau trong th\u1eddi gian \u00e1nh tr\u0103ng. T\u1eeb th\u1eadp […]<\/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":[1,15],"tags":[],"class_list":["post-11099","post","type-post","status-publish","format-standard","hentry","category-general","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/11099","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=11099"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/11099\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=11099"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=11099"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=11099"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}