Ng\u00e0y 22 th\u00e1ng 7 n\u0103m 1948, ba chi\u1ebfc m\u00e1y bay B-2 c\u1ee7a M\u1ef9 c\u1ea5t c\u00e1nh t\u1eeb c\u0103n c\u1ee9 kh\u00f4ng qu\u00e2n \u0110av\u00edt-M\u00f4ng X\u01a1n, bay th\u00ed nghi\u1ec7m v\u00f2ng quanh Tr\u00e1i \u0110\u1ea5t, hai chi\u1ebfc trong \u0111\u00f3 tr\u00ean \u0111\u01b0\u1eddng \u0111i c\u00f3 t\u00e1m l\u1ea7n h\u1ea1 c\u00e1nh, m\u1ea5t 15 ng\u00e0y m\u1edbi ho\u00e0n th\u00e0nh chuy\u1ebfn bay v\u00f2ng quanh Tr\u00e1i \u0110\u1ea5t v\u1edbi chi\u1ec1u d\u00e0i 32.187 km. \u0110\u1ebfn ng\u00e0y 16 th\u00e1ng 1 n\u0103m 1957, n\u0103m chi\u1ebfc m\u00e1y bay B-25B c\u1ee7a M\u1ef9 c\u1ea5t c\u00e1nh t\u1eeb c\u0103n c\u1ee9 kh\u00f4ng qu\u00e2n Caserr \u1edf California, v\u1edbi \u0111i\u1ec1u ki\u1ec7n ti\u1ebfp d\u1ea7u \u1edf tr\u00ean kh\u00f4ng, ch\u1ec9 m\u1ea5t c\u00f3 ba ng\u00e0y \u0111\u1ec3 ho\u00e0n th\u00e0nh chuy\u1ebfn bay v\u00f2ng quanh Tr\u00e1i \u0110\u1ea5t, th\u1ef1c t\u1ebf th\u00ec th\u1eddi gian bay ch\u1ec9 m\u1ea5t 45 gi\u1edd 19 ph\u00fat.<\/p>\n\n\n\n
V\u1eady th\u00ec t\u1ea1i sao m\u00e1y bay c\u00f3 th\u1ec3 ti\u1ebfp d\u1ea7u \u1edf tr\u00ean kh\u00f4ng? Ti\u1ebfp d\u1ea7u \u1edf tr\u00ean kh\u00f4ng \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh b\u1edfi s\u1ef1 ph\u1ed1i h\u1ee3p gi\u1eefa m\u00e1y bay ti\u1ebfp d\u1ea7u v\u00e0 m\u00e1y bay nh\u1eadn d\u1ea7u. \u1ede th\u1eddi gian \u0111\u1ea7u, thi\u1ebft b\u1ecb ti\u1ebfp d\u1ea7u \u1edf tr\u00ean kh\u00f4ng r\u1ea5t th\u00f4 s\u01a1, do ng\u01b0\u1eddi ti\u1ebfp d\u1ea7u c\u1eafm \u1ed1ng ti\u1ebfp d\u1ea7u \u0111\u00fang v\u00e0o l\u1ed7 nh\u1eadn d\u1ea7u, d\u1ef1a v\u00e0o s\u1ef1 ch\u00eanh l\u1ec7ch v\u1ec1 \u0111\u1ed9 cao gi\u1eefa m\u00e1y bay ti\u1ebfp d\u1ea7u v\u00e0 m\u00e1y bay nh\u1eadn d\u1ea7u (m\u00e1y bay ti\u1ebfp d\u1ea7u bay \u1edf ph\u00eda tr\u00ean, m\u00e1y bay nh\u1eadn d\u1ea7u bay \u1edf ph\u00eda d\u01b0\u1edbi), \u0111\u1ec3 ti\u1ebfp d\u1ea7u theo tr\u1ecdng l\u1ef1c.<\/p>\n\n\n\n
V\u1ec1 sau ng\u01b0\u1eddi ta ch\u1ebf t\u1ea1o th\u00e0nh c\u00f4ng khoang treo ti\u1ebfp d\u1ea7u \u1edf tr\u00ean kh\u00f4ng, l\u00e0m cho vi\u1ec7c ti\u1ebfp d\u1ea7u \u1edf tr\u00ean kh\u00f4ng ph\u00e1t tri\u1ec3n \u0111\u1ebfn m\u1ed9t giai \u0111o\u1ea1n m\u1edbi, v\u00e0 \u0111\u00e3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c m\u1ed9t m\u00e1y bay ti\u1ebfp d\u1ea7u \u0111\u1ed3ng th\u1eddi c\u00f3 th\u1ec3 ti\u1ebfp d\u1ea7u cho v\u00e0i m\u00e1y bay (nhi\u1ec1u nh\u1ea5t l\u00e0 ba chi\u1ebfc), c\u00e1c m\u00e1y bay c\u00f9ng ki\u1ec3u ti\u1ebfp d\u1ea7u cho nhau. N\u00f3i chung, khi d\u00f9ng thi\u1ebft b\u1ecb ti\u1ebfp d\u1ea7u ki\u1ec3u \u0111\u1ea7u c\u1eafm h\u00ecnh c\u00f4n, t\u1ed1c \u0111\u1ed9 ti\u1ebfp d\u1ea7u v\u00e0o kho\u1ea3ng 1500 l\u00edt\/ph\u00fat; n\u1ebfu d\u00f9ng thi\u1ebft b\u1ecb ti\u1ebfp d\u1ea7u ki\u1ec3u \u1ed1ng co gi\u00e3n, th\u00ec t\u1ed1c \u0111\u1ed9 ti\u1ebfp d\u1ea7u cao nh\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u1ebfn 6000 l\u00edt\/ph\u00fat. Trong qu\u00e1 tr\u00ecnh ti\u1ebfp d\u1ea7u ng\u01b0\u1eddi l\u00e1i c\u1ee7a m\u00e1y bay \u0111\u01b0\u1ee3c ti\u1ebfp d\u1ea7u ch\u1ee7 y\u1ebfu t\u1eadp trung tinh th\u1ea7n v\u00e0o vi\u1ec7c b\u1ea3o \u0111\u1ea3m tr\u1ea1ng th\u00e1i bay \u1ed5n \u0111\u1ecbnh l\u00e0m cho gi\u00e1n c\u00e1ch, c\u1ef1 ly v\u00e0 ch\u00eanh l\u1ec7ch \u0111\u1ed9 cao gi\u1eefa m\u00e1y bay ti\u1ebfp d\u1ea7u v\u00e0 m\u00e1y bay nh\u1eadn d\u1ea7u lu\u00f4n lu\u00f4n kh\u00f4ng \u0111\u1ed5i.<\/p>\n\n\n\n
T\u1eeb nh\u1eefng n\u0103m 90 c\u1ee7a th\u1ebf k\u1ef7 XX, M\u1ef9 v\u00e0 m\u1ed9t s\u1ed1 n\u01b0\u1edbc Ch\u00e2u \u00c2u \u0111\u00e3 t\u0103ng c\u01b0\u1eddng c\u1ea3i ti\u1ebfn m\u00e1y bay ti\u1ebfp d\u1ea7u ngo\u00e0i vi\u1ec7c thay \u0111\u1ed5i \u0111\u1ed9ng c\u01a1 ki\u1ec3u m\u1edbi, v\u1ec1 k\u1ef9 thu\u1eadt ti\u1ebfp d\u1ea7u \u0111\u00e3 \u00e1p d\u1ee5ng h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd ti\u1ebfp d\u1ea7u t\u1ef1 \u0111\u1ed9ng v\u00e0 h\u1ec7 th\u1ed1ng k\u1ebft h\u1ee3p \u1ed1ng ti\u1ebfp d\u1ea7u t\u1ef1 \u0111\u1ed9ng. H\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd ti\u1ebfp d\u1ea7u t\u1ef1 \u0111\u1ed9ng, c\u00f3 th\u1ec3 l\u00e0m cho m\u00e1y bay ti\u1ebfp d\u1ea7u nhanh ch\u00f3ng ti\u1ebfp m\u1ed9t l\u01b0\u1ee3ng d\u1ea7u l\u1edbn cho m\u00e1y bay nh\u1eadn d\u1ea7u, \u0111\u1ed3ng th\u1eddi l\u1ea1i c\u00f3 th\u1ec3 duy tr\u00ec v\u1ecb tr\u00ed tr\u1ecdng t\u00e2m v\u00e0 tr\u1ea1ng th\u00e1i bay t\u1ed1t nh\u1ea5t, v\u00e0 d\u00f9ng m\u00e1y t\u00ednh \u0111\u1ec3 t\u00ednh to\u00e1n th\u1eddi gian \u0111\u00f3ng m\u1edf t\u1ed1t nh\u1ea5t van th\u00f9ng d\u1ea7u v\u00e0 b\u01a1m d\u1ea7u; h\u1ec7 th\u1ed1ng k\u1ebft h\u1ee3p \u1ed1ng ti\u1ebfp d\u1ea7u t\u1ef1 \u0111\u1ed9ng c\u00f3 th\u1ec3 thay th\u1ebf nh\u00e2n vi\u00ean \u0111i\u1ec1u khi\u1ec3n \u1ed1ng co gi\u00e3n, ng\u01b0\u1eddi l\u00e1i m\u00e1y bay nh\u1eadn d\u1ea7u ch\u1ec9 c\u1ea7n duy tr\u00ec m\u1ed9t v\u1ecb tr\u00ed nh\u1ea5t \u0111\u1ecbnh c\u1ee7a khu v\u1ef1c ti\u1ebfp h\u1ee3p \u1edf ph\u00eda sau m\u00e1y bay ti\u1ebfp d\u1ea7u, h\u1ec7 th\u1ed1ng k\u1ebft h\u1ee3p c\u1ee7a m\u00e1y bay ti\u1ebfp d\u1ea7u s\u1ebd t\u1ef1 \u0111\u1ed9ng n\u1eafm b\u1eaft l\u1ea5y h\u1ec7 th\u1ed1ng k\u1ebft h\u1ee3p c\u1ee7a m\u00e1y bay nh\u1eadn d\u1ea7u v\u00e0 th\u1ef1c hi\u1ec7n s\u1ef1 n\u1ed1i gh\u00e9p \u1ed1ng ti\u1ebfp d\u1ea7u.<\/p>\n\n\n\n
Ti\u1ebfp d\u1ea7u \u1edf tr\u00ean kh\u00f4ng, ngo\u00e0i vi\u1ec7c d\u00f9ng cho m\u00e1y bay d\u00e2n d\u1ee5ng ra, n\u00f3 c\u00f2n l\u00e0 “m\u00e1y b\u1ed9i t\u0103ng” c\u1ee7a l\u1ef1c l\u01b0\u1ee3ng tr\u00ean kh\u00f4ng, l\u00e0 m\u1ed9t bi\u1ec7n ph\u00e1p b\u1ea3o \u0111\u1ea3m quan tr\u1ecdng \u0111\u1ed1i v\u1edbi vi\u1ec7c t\u00e1c chi\u1ebfn \u1edf tr\u00ean kh\u00f4ng hi\u1ec7n \u0111\u1ea1i, c\u00f3 t\u00e1c d\u1ee5ng quan tr\u1ecdng \u0111\u1ed1i v\u1edbi vi\u1ec7c v\u1eadn chuy\u1ec3n qu\u00e2n \u0111\u1ed9i v\u00e0 trang b\u1ecb v\u0169 kh\u00ed m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u1edbi kho\u1ea3ng c\u00e1ch trung b\u00ecnh v\u00e0 xa.<\/p>\n\n\n\n
T\u1eeb kh\u00f3a: Ti\u1ebfp d\u1ea7u tr\u00ean kh\u00f4ng.<\/p>\n","protected":false},"excerpt":{"rendered":"
Ng\u00e0y 22 th\u00e1ng 7 n\u0103m 1948, ba chi\u1ebfc m\u00e1y bay B-2 c\u1ee7a M\u1ef9 c\u1ea5t c\u00e1nh t\u1eeb c\u0103n c\u1ee9 kh\u00f4ng qu\u00e2n \u0110av\u00edt-M\u00f4ng X\u01a1n, bay th\u00ed nghi\u1ec7m v\u00f2ng quanh Tr\u00e1i \u0110\u1ea5t, hai chi\u1ebfc trong \u0111\u00f3 tr\u00ean \u0111\u01b0\u1eddng \u0111i c\u00f3 t\u00e1m l\u1ea7n h\u1ea1 c\u00e1nh, m\u1ea5t 15 ng\u00e0y m\u1edbi ho\u00e0n th\u00e0nh chuy\u1ebfn bay v\u00f2ng quanh Tr\u00e1i \u0110\u1ea5t v\u1edbi chi\u1ec1u […]<\/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":[15,16],"tags":[],"class_list":["post-8906","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-ky-thuat"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8906","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=8906"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8906\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8906"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8906"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8906"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}