T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 1 – Arkady Leokum<\/p>\n\n\n\n
B\u1eafc c\u1ef1c quang l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng t\u1ef1 nhi\u00ean \u0111\u1eb9p \u0111\u1ebd v\u00e0 g\u00e2y kinh ng\u1ea1c nh\u1ea5t. Khi n\u00f3 xu\u1ea5t hi\u1ec7n, n\u00f3 c\u0169ng th\u01b0\u1eddng g\u00e2y n\u00ean nh\u1eefng ti\u1ebfng r\u1ec1n r\u1ec1n tr\u00ean tr\u1eddi. M\u1ed9t v\u00f2ng cung kh\u1ed5ng l\u1ed3, s\u00e1ng r\u1ef1c gi\u1eefa ban \u0111\u00eam v\u00e0 lu\u00f4n lu\u00f4n chuy\u1ec3n \u0111\u1ed9ng. \u0111\u00f4i khi nh\u1eefng b\u00f3 \u00e1nh s\u00e1ng t\u1ecfa ra nh\u01b0 h\u00ecnh r\u1ebd qu\u1ea1t. C\u00f3 l\u00fac, \u0111\u00e2y \u0111\u00f3 th\u00ecnh l\u00ecnh l\u00f3e l\u00ean nh\u01b0 m\u1ed9t c\u00e1i \u0111\u00e8n pha kh\u1ed5ng l\u1ed3 t\u1eeb tr\u00ean thi\u00ean \u0111\u1ec9nh ch\u1ea1y xu\u1ed1ng ch\u00e2n tr\u1eddi.<\/p>\n\n\n\n
Xa h\u01a1n n\u1eefa, v\u1ec1 ph\u00eda B\u1eafc, c\u1ef1c quang th\u01b0\u1eddng gi\u1ed1ng nh\u01b0 m\u1ed9t t\u1ea5m th\u1ea3m r\u1ea5t r\u1ed9ng, r\u1ef1c r\u1ee1, treo l\u01a1 l\u1eedng tr\u00ean tr\u1eddi, \u0111ong \u0111\u01b0a, l\u1ea5p l\u00e1nh \u00e1nh s\u00e1ng ng\u0169 s\u1eafc t\u1eeb tr\u00ean xu\u1ed1ng d\u01b0\u1edbi v\u00e0 chuy\u1ec3n \u0111\u1ed9ng theo t\u1eebng l\u1edbp. Theo c\u00e1c nh\u00e0 khoa h\u1ecdc th\u00ec m\u00e0u s\u1eafc \u00e1nh s\u00e1ng n\u00e0y treo l\u01a1 l\u1eedng ch\u1ec9 c\u00e1ch m\u1eb7t \u0111\u1ea5t t\u1eeb 80 km \u0111\u1ebfn 150 km. Nh\u01b0ng c\u00e1i m\u00e0n l\u1edbn nh\u1ea5t ch\u1ec9 c\u00f3 t\u1ea1i c\u1ef1c b\u1eafc. Nh\u00ecn r\u00f5 nh\u1ea5t l\u00e0 khi ta \u0111\u1ee9ng \u1edf v\u1ecbnh Hudson (\u0111\u00f4ng b\u1eafc Hoa K\u1ef3), Canada, ph\u00eda b\u1eafc Scotland, ph\u00eda nam Na Uy v\u00e0 Th\u1ee5y \u0111i\u1ec3n. \u0111\u00f4i khi, t\u1ea1i b\u1eafc Hoa K\u1ef3 c\u0169ng c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y chi\u1ebfu qua b\u1ea7u tr\u1eddi ph\u00eda B\u1eafc. Ta g\u1ecdi \u00e1nh s\u00e1ng k\u1ef3 \u1ea3o \u0111\u00f3 l\u00e0 \u201cB\u1eafc c\u1ef1c quang\u201d. Nh\u01b0ng t\u1ea1i Nam c\u1ef1c c\u0169ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y. L\u00fac \u0111\u00f3 ng\u01b0\u1eddi ta g\u1ecdi l\u00e0 \u201cNam c\u1ef1c quang\u201d. V\u1eady, n\u00ean g\u1ecdi l\u00e0 c\u1ef1c quang v\u1eeba \u0111\u00fang l\u1ea1i v\u1eeba g\u1ecdn.<\/p>\n\n\n\n
Khoa h\u1ecdc v\u1eabn ch\u01b0a \u0111\u01b0a ra nh\u1eefng gi\u1ea3i th\u00edch th\u1ecfa \u0111\u00e1ng c\u0169ng nh\u01b0 ch\u01b0a t\u00ecm ra \u0111\u01b0\u1ee3c nguy\u00ean nh\u00e2n c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y. Nh\u01b0ng h\u1ecd cho r\u1eb1ng nh\u1eefng b\u00f3 tia s\u00e1ng \u0111\u00f3 l\u00e0 do s\u1ef1 ph\u00f3ng \u0111i\u1ec7n \u1edf t\u1ea7ng kh\u00ed hi\u1ebfm ph\u00eda tr\u00ean. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y ch\u1ec9 xu\u1ea5t hi\u1ec7n \u1edf c\u1ef1c tr\u00e1i \u0111\u1ea5t. S\u1ef1 nhi\u1ec5u lo\u1ea1n \u0111i\u1ec7n t\u1eed th\u01b0\u1eddng x\u1ea3y ra khi \u00e1nh s\u00e1ng \u0111\u1eb7c bi\u1ec7t ch\u00f3i l\u1ecdi. D\u01b0\u1eddng nh\u01b0 n\u00f3 c\u0169ng li\u00ean quan \u0111\u1ebfn c\u00e1c \u0111i\u1ec3m \u0111en xu\u1ea5t hi\u1ec7n tr\u00ean m\u1eb7t tr\u1eddi theo m\u1ed9t c\u00e1ch n\u00e0o \u0111\u00f3 m\u00e0 ng\u01b0\u1eddi ta ch\u01b0a bi\u1ebft.<\/p>\n\n\n\n
N\u1ebfu r\u00fat h\u1ebft kh\u00f4ng kh\u00ed ra kh\u1ecfi m\u1ed9t \u1ed1ng th\u1ee7y tinh v\u00e0 cho m\u1ed9t d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua lu\u1ed3ng kh\u00ed hi\u1ebfm th\u00ec \u00e1nh s\u00e1ng s\u1ebd xu\u1ea5t hi\u1ec7n b\u00ean trong \u1ed1ng. Hi\u1ec7n t\u01b0\u1ee3ng c\u1ef1c quang nh\u00ecn th\u1ea5y b\u00ean tr\u00ean c\u1ef1c tr\u00e1i \u0111\u1ea5t c\u00f3 l\u1ebd c\u0169ng t\u01b0\u01a1ng t\u1ef1: s\u1ef1 ph\u00f3ng \u0111i\u1ec7n t\u1eeb m\u1eb7t tr\u1eddi xuy\u00ean qua t\u1ea7ng kh\u00ed hi\u1ebfm.<\/p>\n","protected":false},"excerpt":{"rendered":"
T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 1 – Arkady Leokum B\u1eafc c\u1ef1c quang l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng t\u1ef1 nhi\u00ean \u0111\u1eb9p \u0111\u1ebd v\u00e0 g\u00e2y kinh ng\u1ea1c nh\u1ea5t. Khi n\u00f3 xu\u1ea5t hi\u1ec7n, n\u00f3 c\u0169ng th\u01b0\u1eddng g\u00e2y n\u00ean nh\u1eefng ti\u1ebfng r\u1ec1n r\u1ec1n tr\u00ean tr\u1eddi. M\u1ed9t v\u00f2ng cung kh\u1ed5ng l\u1ed3, s\u00e1ng r\u1ef1c gi\u1eefa […]<\/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],"tags":[],"class_list":["post-13582","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/13582","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=13582"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/13582\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=13582"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=13582"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=13582"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}