M\u00e2y l\u00e0 c\u0103n c\u1ee9 quan tr\u1ecdng \u0111\u1ec3 d\u1ef1 b\u00e1o th\u1eddi ti\u1ebft, c\u0169ng l\u00e0 th\u00f4ng s\u1ed1 m\u00e0 an to\u00e0n h\u00e0ng kh\u00f4ng c\u1ea7n ph\u1ea3i bi\u1ebft.<\/p>\n\n\n\n
\u0110o \u0111\u1ed9 cao c\u1ee7a m\u00e2y ph\u1ed5 bi\u1ebfn d\u00f9ng hai ph\u01b0\u01a1ng ph\u00e1p: M\u1ed9t l\u00e0 ph\u01b0\u01a1ng ph\u00e1p khinh kh\u00ed c\u1ea7u. T h\u1ea3 khinh kh\u00ed c\u1ea7u c\u00f3 t\u1ed1c \u0111\u1ed9 bay l\u00ean c\u1ed1 \u0111\u1ecbnh, c\u0103n c\u1ee9 th\u1eddi gian t\u1eeb khi th\u1ea3 \u0111\u1ebfn khi ch\u1ea1m \u0111\u00e1y \u0111\u00e1m m\u00e2y v\u00e0 t\u1ed1c \u0111\u1ed9 bay cao ta s\u1ebd t\u00ednh \u0111\u01b0\u1ee3c \u0111\u1ed9 cao c\u1ee7a \u0111\u00e1y \u0111\u00e1m m\u00e2y. M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p n\u1eefa l\u00e0 d\u00f9ng \u0111\u00e8n pha, t\u1ee9c d\u00f9ng \u0111\u00e8n pha ph\u00e1t ra c\u1ed9t \u00e1nh s\u00e1ng chi\u1ebfu th\u1eb3ng \u0111\u1ee9ng l\u00ean \u0111\u00e1y \u0111\u00e1m m\u00e2y, th\u00f4ng qua g\u00f3c t\u1ea1o th\u00e0nh t\u1eeb \u0111i\u1ec3m quan s\u00e1t d\u01b0\u1edbi \u0111\u00e1m m\u00e2y v\u00e0 kho\u1ea3ng c\u00e1ch chi\u1ec1u ngang t\u1eeb \u0111i\u1ec3m quan s\u00e1t \u0111\u1ebfn \u0111\u00e8n pha, sau \u0111\u00f3 d\u1ef1a v\u00e0o nguy\u00ean t\u1eafc tam gi\u00e1c ta c\u00f3 th\u1ec3 t\u00ednh ra \u0111\u1ed9 cao c\u1ee7a \u0111\u00e1y \u0111\u00e1m m\u00e2y.<\/p>\n\n\n\n
Hai ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u1ec1u c\u00f3 nh\u1eefng h\u1ea1n ch\u1ebf nh\u1ea5t \u0111\u1ecbnh. V\u00ed d\u1ee5 ph\u01b0\u01a1ng ph\u00e1p khinh kh\u00ed c\u1ea7u tr\u01b0\u1edbc h\u1ebft ph\u1ea3i n\u1ea1p kh\u00ed, ch\u1edd khinh kh\u00ed c\u1ea7u t\u1eeb m\u1eb7t \u0111\u1ea5t bay l\u00ean \u0111\u1ebfn \u0111\u00e1y \u0111\u00e1m m\u00e2y ph\u1ea3i m\u1ea5t m\u1ed9t th\u1eddi gian, m\u00e2y c\u00e0ng cao th\u1eddi gian c\u00e0ng l\u00e2u, h\u01a1n n\u1eefa kh\u00ed c\u1ea7u c\u00f3 l\u00fac xuy\u00ean qua khe h\u1edf gi\u1eefa c\u00e1c \u0111\u00e1m m\u00e2y n\u00ean kh\u00f4ng th\u1ec3 \u0111o chi\u1ec1u cao m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c. C\u00f2n ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e8n pha ch\u1ec9 c\u00f3 th\u1ec3 d\u00f9ng v\u00e0o ban \u0111\u00eam, h\u01a1n n\u1eefa \u00e1nh s\u00e1ng c\u1ee7a \u0111\u00e8n pha c\u00f3 h\u1ea1n, ch\u1ec9 c\u00f3 th\u1ec3 \u0111o nh\u1eefng \u0111\u00e1m m\u00e2y t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p.<\/p>\n\n\n\n
\u0110\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 h\u1ea1n ch\u1ebf n\u00e0y, T rung Qu\u1ed1c \u0111\u00e3 ch\u1ebf t\u1ea1o th\u00e0nh c\u00f4ng m\u00e1y \u0111o m\u00e2y g\u1ecdi l\u00e0 “m\u00e1y h\u1ed3 quang \u0111o m\u00e2y”. N\u00f3 l\u1ee3i d\u1ee5ng thi\u1ebft b\u1ecb ph\u00e1t lu\u1ed3ng s\u00e1ng g\u1ed3m ba m\u00e0u: t\u00edm, l\u1ee5c, lam chi\u1ebfu l\u00ean \u0111\u00e1y \u0111\u00e1m m\u00e2y tr\u00ean b\u1ea7u tr\u1eddi. Khi ngu\u1ed3n s\u00e1ng chi\u1ebfu l\u00ean \u0111\u00e1y \u0111\u00e1m m\u00e2y th\u00ec s\u1ebd ph\u1ea3n x\u1ea1 l\u1ea1i, \u0111\u01b0\u1ee3c m\u00e1y \u1edf m\u1eb7t \u0111\u1ea5t ti\u1ebfp nh\u1eadn. Nh\u01b0 ta \u0111\u00e3 bi\u1ebft, t\u1ed1c \u0111\u1ed9 \u00e1nh s\u00e1ng truy\u1ec1n trong kh\u00f4ng kh\u00ed l\u00e0 30 v\u1ea1n km\/s. C\u0103n c\u1ee9 th\u1eddi gian t\u1eeb khi thi\u1ebft b\u1ecb ph\u00e1t ra \u00e1nh s\u00e1ng \u0111\u1ebfn l\u00fac thu \u0111\u01b0\u1ee3c s\u1ebd t\u00ednh ra \u0111\u1ed9 cao c\u1ee7a \u0111\u00e1m m\u00e2y. “M\u00e1y h\u1ed3 quang \u0111o m\u00e2y” c\u00f3 r\u1ea5t nhi\u1ec1u \u01b0u \u0111i\u1ec3m nh\u01b0 ban ng\u00e0y, ban \u0111\u00eam \u0111\u1ec1u d\u00f9ng \u0111\u01b0\u1ee3c, d\u00f9ng m\u00e1y thu thay th\u1ebf cho m\u1eaft nh\u00ecn n\u00ean k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c v\u00e0 k\u1ecbp th\u1eddi. Nh\u01b0ng v\u00ec \u00e1nh s\u00e1ng c\u1ee7a h\u1ed3 quang v\u1eabn y\u1ebfu, n\u00ean khi kho\u1ea3ng c\u00e1ch chi\u1ebfu s\u00e1ng c\u00e0ng xa th\u00ec s\u00f3ng quang gi\u1ea3m y\u1ebfu r\u1ea5t nhanh. V\u00ec v\u1eady mu\u1ed1n \u0111o nh\u1eefng \u0111\u00e1m m\u00e2y cao m\u1ea5y km th\u00ec m\u00e1y ti\u1ebfp nh\u1eadn \u00e1nh s\u00e1ng ph\u1ea3n h\u1ed3i y\u1ebfu \u0111\u1ebfn n\u1ed7i kh\u00f4ng th\u1ec3 c\u00f3 c\u1ea3m \u1ee9ng. Ngo\u00e0i ra ngu\u1ed3n s\u00e1ng c\u1ee7a lo\u1ea1i m\u00e1y n\u00e0y th\u1ec3 t\u00edch kh\u00e1 l\u1edbn, di chuy\u1ec3n kh\u00f3 kh\u0103n, ch\u1ec9 c\u00f3 th\u1ec3 \u0111o \u0111\u01b0\u1ee3c chi\u1ec1u cao nh\u1eefng \u0111\u00e1m m\u00e2y n\u1eb1m ngay ph\u00eda tr\u00ean v\u1ecb tr\u00ed \u0111\u1eb7t m\u00e1y. V\u00ec v\u1eady tuy lo\u1ea1i m\u00e1y n\u00e0y \u0111\u00e3 \u01b0u vi\u1ec7t h\u01a1n nhi\u1ec1u so v\u1edbi ph\u01b0\u01a1ng ph\u00e1p kh\u00ed c\u1ea7u v\u00e0 \u0111\u00e8n pha nh\u01b0ng v\u1eabn c\u00f2n b\u1ecb h\u1ea1n ch\u1ebf.<\/p>\n\n\n\n
M\u1ea5y n\u0103m g\u1ea7n \u0111\u00e2y c\u00f9ng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a k\u1ef9 thu\u1eadt laze T rung Qu\u1ed1c \u0111\u00e3 ch\u1ebf t\u1ea1o th\u00e0nh c\u00f4ng “m\u00e1y \u0111o m\u00e2y laze”. Nguy\u00ean l\u00fd l\u00e0m vi\u1ec7c c\u1ee7a m\u00e1y \u0111o m\u00e2y laze c\u0103n b\u1ea3n gi\u1ed1ng nh\u01b0 m\u00e1y \u0111o m\u00e2y h\u1ed3 quang, nh\u01b0ng c\u00f4ng su\u1ea5t laze l\u1edbn, \u00e1nh s\u00e1ng ph\u00e1t ra song song, n\u0103ng l\u01b0\u1ee3ng t\u1eadp trung cao \u0111\u1ed9, n\u00ean c\u00f3 th\u1ec3 \u0111o \u1edf \u0111\u1ed9 cao m\u01b0\u1eddi m\u1ea5y c\u00e2y s\u1ed1 t\u00edn hi\u1ec7u v\u1eabn kh\u00f4ng suy gi\u1ea3m, khi\u1ebfn cho m\u00e1y thu v\u1eabn c\u00f3 th\u1ec3 ti\u1ebfp thu \u0111\u01b0\u1ee3c s\u00f3ng ph\u1ea3n h\u1ed3i. T h\u1ec3 t\u00edch m\u00e1y \u0111o m\u00e2y laze nh\u1ecf, c\u00f2n c\u00f3 th\u1ec3 ch\u1ebf t\u1ea1o th\u00e0nh ngu\u1ed3n s\u00e1ng thay \u0111\u1ed5i linh ho\u1ea1t, hi\u1ec7n nay \u0111\u00f3 l\u00e0 thi\u1ebft b\u1ecb \u0111o m\u00e2y kh\u00e1 l\u00fd t\u01b0\u1edfng.<\/p>\n\n\n\n
T \u1eeb kho\u00e1: M\u00e2y cao.<\/p>\n","protected":false},"excerpt":{"rendered":"
M\u00e2y l\u00e0 c\u0103n c\u1ee9 quan tr\u1ecdng \u0111\u1ec3 d\u1ef1 b\u00e1o th\u1eddi ti\u1ebft, c\u0169ng l\u00e0 th\u00f4ng s\u1ed1 m\u00e0 an to\u00e0n h\u00e0ng kh\u00f4ng c\u1ea7n ph\u1ea3i bi\u1ebft. \u0110o \u0111\u1ed9 cao c\u1ee7a m\u00e2y ph\u1ed5 bi\u1ebfn d\u00f9ng hai ph\u01b0\u01a1ng ph\u00e1p: M\u1ed9t l\u00e0 ph\u01b0\u01a1ng ph\u00e1p khinh kh\u00ed c\u1ea7u. T h\u1ea3 khinh kh\u00ed c\u1ea7u c\u00f3 t\u1ed1c \u0111\u1ed9 bay l\u00ean c\u1ed1 \u0111\u1ecbnh, c\u0103n c\u1ee9 […]<\/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-10003","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\/10003","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=10003"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10003\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=10003"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=10003"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=10003"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}