{"id":15139,"date":"2026-09-05T05:47:21","date_gmt":"2026-09-04T22:47:21","guid":{"rendered":"https:\/\/useful.vn\/?p=15139"},"modified":"2026-09-05T05:47:21","modified_gmt":"2026-09-04T22:47:21","slug":"hien-tuong-ky-la-xuat-hien-trong-nhat-thuc-toan-phan","status":"publish","type":"post","link":"https:\/\/useful.vn\/?p=15139","title":{"rendered":"Hi\u1ec7n t\u01b0\u1ee3ng k\u1ef3 l\u1ea1 xu\u1ea5t hi\u1ec7n trong nh\u1eadt th\u1ef1c to\u00e0n ph\u1ea7n"},"content":{"rendered":"
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\nHi\u1ec7n t\u01b0\u1ee3ng k\u1ef3 l\u1ea1 xu\u1ea5t hi\u1ec7n trong nh\u1eadt th\u1ef1c to\u00e0n ph\u1ea7n <\/h1>\n

Hi\u1ec7n t\u01b0\u1ee3ng d\u1ea3i b\u00f3ng b\u00ed \u1ea9n th\u01b0\u1eddng x\u1ea3y ra ngay tr\u01b0\u1edbc v\u00e0 sau khi M\u1eb7t Tr\u0103ng che khu\u1ea5t M\u1eb7t Tr\u1eddi trong c\u00e1c k\u1ef3 nh\u1eadt th\u1ef1c v\u00e0 r\u1ea5t kh\u00f3 ghi h\u00ecnh, song c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u v\u1eabn ch\u01b0a t\u00ecm ra nguy\u00ean nh\u00e2n.<\/p>\n

Theo CNN<\/em>, nh\u1eadt th\u1ef1c to\u00e0n ph\u1ea7n x\u1ea3y ra v\u00e0o \u0111\u00eam 12, r\u1ea1ng s\u00e1ng 13\/8 (gi\u1edd H\u00e0 N\u1ed9i) s\u1ebd cung c\u1ea5p cho c\u00e1c nh\u00e0 khoa h\u1ecdc c\u01a1 h\u1ed9i hi\u1ebfm c\u00f3 \u0111\u1ec3 nghi\u00ean c\u1ee9u hi\u1ec7n t\u01b0\u1ee3ng b\u00ed \u1ea9n mang t\u00ean d\u1ea3i b\u00f3ng (shadow band). \u0110\u00f3 l\u00e0 nh\u1eefng g\u1ee3n s\u00f3ng m\u00e0u x\u00e1m k\u1ef3 l\u1ea1 l\u01b0\u1edbt qua m\u1eb7t \u0111\u1ea5t trong v\u00e0i ph\u00fat ngay tr\u01b0\u1edbc v\u00e0 sau pha to\u00e0n ph\u1ea7n, khi M\u1eb7t Tr\u0103ng che khu\u1ea5t ho\u00e0n to\u00e0n M\u1eb7t Tr\u1eddi khi\u1ebfn b\u1ea7u tr\u1eddi t\u1ed1i \u0111en.<\/p>\n

Nature<\/em> m\u00f4 t\u1ea3, ban \u0111\u1ea7u, d\u1ea3i b\u00f3ng xu\u1ea5t hi\u1ec7n m\u1edd nh\u1ea1t v\u00e0 l\u1ed9n x\u1ed9n, nh\u01b0ng khi pha to\u00e0n ph\u1ea7n \u0111\u1ebfn g\u1ea7n, ch\u00fang tr\u1edf n\u00ean tr\u1eadt t\u1ef1 v\u00e0 r\u00f5 r\u00e0ng h\u01a1n, kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c d\u1ea3i gi\u1ea3m xu\u1ed1ng 2,5-5 cm. Sau khi pha to\u00e0n ph\u1ea7n k\u1ebft th\u00fac, m\u00f4 h\u00ecnh n\u00e0y \u0111\u1ea3o ng\u01b0\u1ee3c: d\u1ea3i b\u00f3ng t\u00e1i xu\u1ea5t hi\u1ec7n, d\u1ea7n d\u1ea7n m\u1edd nh\u1ea1t v\u00e0 l\u1ed9n x\u1ed9n cho \u0111\u1ebfn khi bi\u1ebfn m\u1ea5t ho\u00e0n to\u00e0n.<\/p>\n

Trong m\u1ed9t k\u1ef3 nh\u1eadt th\u1ef1c, ng\u01b0\u1eddi quan s\u00e1t \u1edf nh\u1eefng v\u1ecb tr\u00ed kh\u00e1c nhau d\u1ecdc theo \u0111\u01b0\u1eddng \u0111i c\u1ee7a nh\u1eadt th\u1ef1c s\u1ebd th\u1ea5y hi\u1ec7u \u1ee9ng d\u1ea3i b\u00f3ng kh\u00e1c nhau, c\u00f3 ng\u01b0\u1eddi g\u1ea7n nh\u01b0 kh\u00f4ng th\u1ec3 tr\u00f4ng th\u1ea5y ch\u00fang trong khi ng\u01b0\u1eddi kh\u00e1c l\u1ea1i nh\u00ecn \u0111\u01b0\u1ee3c r\u00f5 r\u00e0ng.<\/p>\n

Theo Space<\/em>, d\u1ea3i b\u00f3ng r\u1ea5t kh\u00f3 ch\u1ee5p \u1ea3nh do th\u01b0\u1eddng x\u1ea3y ra khi ch\u1ec9 c\u00f2n g\u1ea7n 1% \u00e1nh s\u00e1ng M\u1eb7t Tr\u1eddi ch\u01b0a b\u1ecb M\u1eb7t Tr\u0103ng che khu\u1ea5t n\u00ean \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n c\u1ef1c th\u1ea5p. T\u1ed1c \u0111\u1ed9 th\u00f4ng th\u01b0\u1eddng c\u1ee7a d\u1ea3i b\u00f3ng tr\u00ean m\u1eb7t \u0111\u1ea5t l\u00e0 kho\u1ea3ng 3 m\/s v\u00e0 \u0111\u1ed9 r\u1ed9ng ch\u1ec9 kho\u1ea3ng 2,5-5 cm n\u00ean ch\u00fang r\u1ea5t m\u1edd nh\u1ea1t v\u00e0 b\u1ecb nh\u00f2e khi ch\u1ee5p \u1ea3nh ho\u1eb7c quay video. L\u00fd do kh\u00e1c l\u00e0 d\u1ea3i b\u00f3ng d\u1ec5 th\u1ea5y h\u01a1n khi ch\u00fang \u0111ang chuy\u1ec3n \u0111\u1ed9ng so v\u1edbi l\u00fac \u0111\u1ee9ng y\u00ean.<\/p>\n

Trong 175 n\u0103m qua, gi\u1edbi nghi\u00ean c\u1ee9u c\u1ed1 g\u1eafng gi\u1ea3i th\u00edch hi\u1ec7n t\u01b0\u1ee3ng d\u1ea3i b\u00f3ng. M\u1ed9t gi\u1ea3 thuy\u1ebft cho r\u1eb1ng c\u00e1c d\u1ea3i n\u00e0y l\u00e0 v\u00e2n giao thoa b\u1eadc cao c\u1ee7a m\u1ed9t ki\u1ec3u nhi\u1ec5u x\u1ea1 khe h\u1eb9p, h\u00ecnh th\u00e0nh khi s\u00f3ng \u00e1nh s\u00e1ng \u0111i qua khe h\u1eb9p tr\u00ean b\u1ec1 m\u1eb7t r\u1eafn, t\u1ea1o ra d\u1ea3i t\u1ed1i \u1edf gi\u1eefa v\u00e0 nhi\u1ec1u d\u1ea3i s\u00e1ng h\u01a1n \u1edf m\u1ed7i b\u00ean. Sau \u0111\u00f3, v\u00e0o n\u0103m 1924, nh\u00e0 thi\u00ean v\u0103n h\u1ecdc ng\u01b0\u1eddi Italy Guido Horn-D’Arturo cho r\u1eb1ng d\u1ea3i b\u00f3ng l\u00e0 h\u00ecnh \u1ea3nh l\u1ed7 kim c\u1ee7a M\u1eb7t Tr\u1eddi ch\u1ed3ng l\u00ean nhau do khe h\u1edf trong t\u1ea7ng th\u01b0\u1ee3ng quy\u1ec3n c\u1ee7a Tr\u00e1i \u0110\u1ea5t.<\/p>\n

Tuy nhi\u00ean, c\u00e1ch gi\u1ea3i th\u00edch kh\u1ea3 thi nh\u1ea5t v\u1ec1 d\u1ea3i b\u00f3ng l\u00e0 hi\u1ec7u \u1ee9ng kh\u00ed t\u01b0\u1ee3ng t\u1eeb nh\u1eefng tia n\u1eafng cu\u1ed1i c\u00f9ng b\u1ecb bi\u1ebfn d\u1ea1ng b\u1edfi kh\u00ed quy\u1ec3n h\u1ed7n lo\u1ea1n c\u1ee7a Tr\u00e1i \u0110\u1ea5t. Trong su\u1ed1t th\u1eddi gian nh\u1eadt th\u1ef1c, \u0111\u0129a M\u1eb7t Tr\u1eddi b\u1ecb thu nh\u1ecf th\u00e0nh “s\u1ee3i ch\u1ec9” \u00e1nh s\u00e1ng r\u1ea5t h\u1eb9p, m\u1ed7i \u0111i\u1ec3m d\u1ecdc theo s\u1ee3i ch\u1ec9 n\u00e0y l\u1ea5p l\u00e1nh nh\u01b0 m\u1ed9t ng\u00f4i sao. Do \u0111\u00f3, d\u1ea3i b\u00f3ng c\u00f3 th\u1ec3 l\u00e0 k\u1ebft qu\u1ea3 t\u1ed5ng h\u1ee3p c\u1ee7a \u00e1nh s\u00e1ng \u0111\u1ebfn t\u1eeb m\u1ed7i \u0111i\u1ec3m l\u1ea5p l\u00e1nh.<\/p>\n

David Turnshek, gi\u00e1o s\u01b0 v\u1eadt l\u00fd v\u00e0 thi\u00ean v\u0103n h\u1ecdc t\u1ea1i \u0110\u1ea1i h\u1ecdc Pittsburgh, tr\u00f4ng th\u1ea5y d\u1ea3i b\u00f3ng l\u1ea7n \u0111\u1ea7u ti\u00ean v\u00e0o th\u1eddi ni\u00ean thi\u1ebfu. L\u1ea7n n\u00e0y \u00f4ng s\u1ebd bay \u0111\u1ebfn Le\u00f3n, T\u00e2y Ban Nha, \u0111\u1ec3 quan s\u00e1t l\u1ea7n nh\u1eadt th\u1ef1c c\u00f9ng m\u1ed9t s\u1ed1 \u0111\u1ed3ng nghi\u1ec7p. Turnshek hy v\u1ecdng c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 ghi l\u1ea1i video c\u1ee7a d\u1ea3i b\u00f3ng b\u1eb1ng thi\u1ebft b\u1ecb tr\u00ean m\u1eb7t \u0111\u1ea5t.<\/p>\n

Turnshek kh\u00f4ng ph\u1ea3i l\u00e0 nh\u00e0 nghi\u00ean c\u1ee9u duy nh\u1ea5t t\u00ecm c\u00e1ch ghi l\u1ea1i d\u1ea3i b\u00f3ng v\u00e0o ng\u00e0y 12\/8. Gordon Telepun, th\u1ee3 s\u0103n nh\u1eadt th\u1ef1c t\u1eebng l\u00e0m \u0111\u1ea1i s\u1ee9 NASA, s\u1ebd c\u00f3 m\u1eb7t tr\u00ean \u0111\u1ea3o Mallorca c\u1ee7a T\u00e2y Ban Nha \u0111\u1ec3 theo d\u00f5i s\u1ef1 ki\u1ec7n. \u00d4ng t\u1eebng tr\u00f4ng th\u1ea5y d\u1ea3i b\u00f3ng \u1edf 5 trong s\u1ed1 7 l\u1ea7n nh\u1eadt th\u1ef1c v\u00e0 nh\u1ea5n m\u1ea1nh d\u1ea3i b\u00f3ng d\u1ec5 b\u1ecb b\u1ecf l\u1ee1 v\u00ec ch\u00fang x\u1ea3y ra ngay tr\u01b0\u1edbc pha nh\u1eadt th\u1ef1c to\u00e0n ph\u1ea7n. Joe Conti, nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u1ed9c l\u1eadp \u0111am m\u00ea v\u1eadt l\u00fd t\u1ea1i Massachusetts, \u0111ang k\u00eau g\u1ecdi ng\u01b0\u1eddi quan s\u00e1t nh\u1eadt th\u1ef1c tr\u00ean kh\u1eafp Iceland v\u00e0 T\u00e2y Ban Nha ghi l\u1ea1i hi\u1ec7n t\u01b0\u1ee3ng b\u00ed \u1ea9n v\u00e0 hy v\u1ecdng d\u1eef li\u1ec7u thu th\u1eadp \u0111\u01b0\u1ee3c c\u00f3 th\u1ec3 gi\u00fap c\u1ed9ng \u0111\u1ed3ng khoa h\u1ecdc t\u00ecm ra ch\u00ednh x\u00e1c nguy\u00ean nh\u00e2n g\u00e2y ra d\u1ea3i b\u00f3ng.<\/p>\n

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D\u1ea3i b\u00f3ng ch\u1ee5p trong nh\u1eadt th\u1ef1c to\u00e0n ph\u1ea7n v\u00e0o ng\u00e0y 21\/6\/2001. \u1ea2nh: Wolfgang Strickling\/Wikimedia Commons<\/em><\/p>\n<\/figcaption><\/figure>\n

Nh\u1eadt th\u1ef1c to\u00e0n ph\u1ea7n x\u1ea3y ra khi M\u1eb7t Tr\u0103ng \u1edf gi\u1eefa Tr\u00e1i \u0110\u1ea5t v\u00e0 M\u1eb7t Tr\u1eddi, t\u1ea1m th\u1eddi che khu\u1ea5t b\u1ec1 m\u1eb7t M\u1eb7t Tr\u1eddi kh\u1ecfi t\u1ea7m nh\u00ecn t\u1eeb m\u1eb7t \u0111\u1ea5t. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra m\u1ed9t \u0111\u0129a \u0111en tr\u00ean b\u1ea7u tr\u1eddi, bao quanh b\u1edfi qu\u1ea7ng s\u00e1ng m\u1edd t\u1eeb t\u1ea7ng kh\u00ed quy\u1ec3n ph\u00eda ngo\u00e0i c\u1ee7a M\u1eb7t Tr\u1eddi, g\u1ecdi l\u00e0 v\u00e0nh nh\u1eadt hoa. M\u1eb7t Tr\u0103ng nh\u1ecf h\u01a1n M\u1eb7t Tr\u1eddi kho\u1ea3ng 400 l\u1ea7n, nh\u01b0ng c\u0169ng g\u1ea7n Tr\u00e1i \u0110\u1ea5t h\u01a1n kho\u1ea3ng 400 l\u1ea7n, khi\u1ebfn c\u1ea3 hai tr\u00f4ng nh\u01b0 c\u00f9ng k\u00edch th\u01b0\u1edbc tr\u00ean b\u1ea7u tr\u1eddi. \u0110\u1ec3 x\u1ea3y ra nh\u1eadt th\u1ef1c to\u00e0n ph\u1ea7n, M\u1eb7t Tr\u1eddi, M\u1eb7t Tr\u0103ng v\u00e0 Tr\u00e1i \u0110\u1ea5t ph\u1ea3i th\u1eb3ng h\u00e0ng ho\u00e0n h\u1ea3o trong kh\u00f4ng gian.<\/p>\n

Theo Sky News<\/em>, nh\u1eefng n\u01a1i n\u1eb1m tr\u00ean \u0111\u01b0\u1eddng \u0111i c\u1ee7a v\u00f9ng to\u00e0n ph\u1ea7n s\u1ebd ch\u00ecm trong b\u00f3ng t\u1ed1i. V\u00f9ng d\u1ea3i n\u00e0y r\u1ed9ng t\u1eeb 100 \u0111\u1ebfn 200 km tr\u00ean b\u1ec1 m\u1eb7t Tr\u00e1i \u0110\u1ea5t n\u01a1i b\u00f3ng t\u1ed1i c\u1ee7a M\u1eb7t Tr\u0103ng qu\u00e9t qua, bi\u1ebfn ban ng\u00e0y th\u00e0nh ch\u1ea1ng v\u1ea1ng khi M\u1eb7t Tr\u0103ng che khu\u1ea5t ho\u00e0n to\u00e0n M\u1eb7t Tr\u1eddi. C\u1ee5 th\u1ec3, ng\u01b0\u1eddi d\u00e2n \u1edf mi\u1ec1n b\u1eafc n\u01b0\u1edbc Nga, Greenland, Iceland, T\u00e2y Ban Nha v\u00e0 m\u1ed9t g\u00f3c nh\u1ecf c\u1ee7a B\u1ed3 \u0110\u00e0o Nha s\u1ebd c\u00f3 c\u01a1 h\u1ed9i chi\u00eam ng\u01b0\u1ee1ng nh\u1eadt th\u1ef1c to\u00e0n ph\u1ea7n. Anh v\u00e0 Ireland s\u1ebd tr\u1ea3i qua nh\u1eadt th\u1ef1c m\u1ed9t ph\u1ea7n l\u1edbn, khi M\u1eb7t Tr\u0103ng che khu\u1ea5t t\u1eeb 90% \u0111\u1ebfn 96% M\u1eb7t Tr\u1eddi, t\u1ea1o ra hi\u1ec7u \u1ee9ng ho\u00e0ng h\u00f4n s\u00e2u thay v\u00ec b\u00f3ng t\u1ed1i ho\u00e0n to\u00e0n. Trong khi \u0111\u00f3, ng\u01b0\u1eddi d\u00e2n \u1edf mi\u1ec1n b\u1eafc n\u01b0\u1edbc M\u1ef9 t\u1eeb Alaska \u0111\u1ebfn B\u1eafc Carolina s\u1ebd th\u1ea5y nh\u1eadt th\u1ef1c m\u1ed9t ph\u1ea7n.<\/p>\n

An Khang<\/strong>t\u1ed5ng h\u1ee3p<\/em><\/p>\n<\/article>\n

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https:\/\/vnexpress.net\/hien-tuong-ky-la-xuat-hien-trong-nhat-thuc-toan-phan-5107961.html<\/p>\n","protected":false},"excerpt":{"rendered":"

Hi\u1ec7n t\u01b0\u1ee3ng k\u1ef3 l\u1ea1 xu\u1ea5t hi\u1ec7n trong nh\u1eadt th\u1ef1c to\u00e0n ph\u1ea7n Hi\u1ec7n t\u01b0\u1ee3ng d\u1ea3i b\u00f3ng b\u00ed \u1ea9n th\u01b0\u1eddng x\u1ea3y ra ngay tr\u01b0\u1edbc v\u00e0 sau khi M\u1eb7t Tr\u0103ng che khu\u1ea5t M\u1eb7t Tr\u1eddi trong c\u00e1c k\u1ef3 nh\u1eadt th\u1ef1c v\u00e0 r\u1ea5t kh\u00f3 ghi h\u00ecnh, song c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u v\u1eabn ch\u01b0a t\u00ecm ra nguy\u00ean nh\u00e2n. Theo CNN, nh\u1eadt<\/p>\n","protected":false},"author":1,"featured_media":15140,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-15139","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghe"],"_links":{"self":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts\/15139","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=15139"}],"version-history":[{"count":0,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts\/15139\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/media\/15140"}],"wp:attachment":[{"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=15139"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=15139"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=15139"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}