{"id":1476,"date":"2024-11-16T15:45:19","date_gmt":"2024-11-16T15:45:19","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=1476"},"modified":"2024-11-16T15:45:19","modified_gmt":"2024-11-16T15:45:19","slug":"naval-observatory-astronomy-stargazing-timekeeping","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/astronomy\/naval-observatory-astronomy-stargazing-timekeeping\/","title":{"rendered":"H\u00e0nh tr\u00ecnh \u0111\u1ebfn \u0110\u00e0i quan s\u00e1t H\u1ea3i qu\u00e2n: Kh\u00e1m ph\u00e1 nh\u1eefng k\u1ef3 quan c\u1ee7a b\u1ea7u tr\u1eddi"},"content":{"rendered":"

Kh\u00e1m ph\u00e1 b\u1ea7u tr\u1eddi: H\u00e0nh tr\u00ecnh \u0111\u1ebfn \u0110\u00e0i quan s\u00e1t H\u1ea3i qu\u00e2n<\/h2>\n\n

Thi\u00ean v\u0103n h\u1ecdc t\u1ea1i \u0110\u00e0i quan s\u00e1t H\u1ea3i qu\u00e2n<\/h2>\n\n

N\u1eb1m \u1edf trung t\u00e2m Washington, D.C., \u0110\u00e0i quan s\u00e1t H\u1ea3i qu\u00e2n l\u00e0 thi\u00ean \u0111\u01b0\u1eddng cho nh\u1eefng ng\u01b0\u1eddi \u0111am m\u00ea v\u00e0 c\u00e1c nh\u00e0 khoa h\u1ecdc thi\u00ean v\u0103n h\u1ecdc. V\u1edbi nh\u1eefng chi\u1ebfc k\u00ednh vi\u1ec5n v\u1ecdng hi\u1ec7n \u0111\u1ea1i c\u00f9ng c\u00e1c nh\u00e0 thi\u00ean v\u0103n h\u1ecdc n\u1ed5i ti\u1ebfng, \u0111\u00e0i quan s\u00e1t m\u1edf ra m\u1ed9t c\u00e1i nh\u00ecn tho\u00e1ng qua v\u1ec1 nh\u1eefng k\u1ef3 quan c\u1ee7a v\u0169 tr\u1ee5.<\/p>\n\n

\u00dd ngh\u0129a l\u1ecbch s\u1eed<\/h2>\n\n

\u0110\u00e0i quan s\u00e1t H\u1ea3i qu\u00e2n c\u00f3 b\u1ec1 d\u00e0y l\u1ecbch s\u1eed k\u1ec3 t\u1eeb n\u0103m 1830. Trong nhi\u1ec1u th\u1ebf k\u1ef7, n\u01a1i \u0111\u00e2y \u0111\u00f3ng vai tr\u00f2 ch\u1ee7 ch\u1ed1t trong nghi\u00ean c\u1ee9u thi\u00ean v\u0103n h\u1ecdc, t\u1eeb vi\u1ec7c kh\u00e1m ph\u00e1 c\u00e1c v\u1ec7 tinh c\u1ee7a Sao H\u1ecfa \u0111\u1ebfn vi\u1ec7c bi\u00ean so\u1ea1n danh m\u1ee5c c\u00e1c v\u00ec sao \u0111\u1ed3 s\u1ed9 nh\u1ea5t th\u1ebf gi\u1edbi. B\u1ed9 s\u01b0u t\u1eadp k\u00ednh vi\u1ec5n v\u1ecdng \u1ea5n t\u01b0\u1ee3ng c\u1ee7a \u0111\u00e0i quan s\u00e1t bao g\u1ed3m k\u00ednh kh\u00fac x\u1ea1 12 inch, v\u1ed1n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ch\u01b0\u01a1ng tr\u00ecnh Apollo \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh qu\u1ef9 \u0111\u1ea1o c\u1ee7a M\u1eb7t Tr\u0103ng.<\/p>\n\n

C\u00e1c ch\u01b0\u01a1ng tr\u00ecnh v\u00e0 chuy\u1ebfn tham quan d\u00e0nh cho c\u00f4ng ch\u00fang<\/h2>\n\n

\u0110\u00e0i quan s\u00e1t H\u1ea3i qu\u00e2n c\u00f3 c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh v\u00e0 chuy\u1ebfn tham quan d\u00e0nh cho c\u00f4ng ch\u00fang, gi\u00fap du kh\u00e1ch c\u00f3 th\u1ec3 t\u1eadn m\u1eaft chi\u00eam ng\u01b0\u1ee1ng c\u00e1c c\u01a1 s\u1edf v\u00e0 c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u c\u1ee7a c\u00e1c nh\u00e0 thi\u00ean v\u0103n h\u1ecdc t\u1ea1i \u0111\u00e2y. C\u00e1c chuy\u1ebfn tham quan v\u00e0o t\u1ed1i th\u1ee9 Hai s\u1ebd \u0111\u01b0a du kh\u00e1ch kh\u00e1m ph\u00e1 khu\u00f4n vi\u00ean \u0111\u00e0i quan s\u00e1t v\u00e0 chi\u00eam ng\u01b0\u1ee1ng qua k\u00ednh vi\u1ec5n v\u1ecdng n\u1ebfu th\u1eddi ti\u1ebft cho ph\u00e9p. Smithsonian Associates c\u0169ng t\u1ed5 ch\u1ee9c c\u00e1c l\u1edbp h\u1ecdc d\u00e0nh cho c\u00f4ng ch\u00fang, n\u01a1i nh\u1eefng ng\u01b0\u1eddi tham d\u1ef1 c\u00f3 th\u1ec3 t\u00ecm hi\u1ec3u v\u1ec1 k\u1ef9 thu\u1eadt \u0111\u1ecbnh v\u1ecb thi\u00ean th\u1ec3 v\u00e0 quan s\u00e1t c\u00e1c v\u00ec sao.<\/p>\n\n

\u0110\u1ed3ng h\u1ed3 ch\u00ednh c\u1ee7a Hoa K\u1ef3<\/h2>\n\n

Ngo\u00e0i c\u00e1c nghi\u00ean c\u1ee9u thi\u00ean v\u0103n h\u1ecdc, \u0110\u00e0i quan s\u00e1t H\u1ea3i qu\u00e2n c\u00f2n c\u00f3 tr\u00e1ch nhi\u1ec7m b\u1ea3o tr\u00ec \u0110\u1ed3ng h\u1ed3 ch\u00ednh c\u1ee7a Hoa K\u1ef3. Chi\u1ebfc \u0111\u1ed3ng h\u1ed3 c\u1ef1c k\u1ef3 ch\u00ednh x\u00e1c n\u00e0y c\u00f3 \u0111\u1ed9 sai s\u1ed1 ch\u1ec9 m\u1ed9t ph\u1ea7n t\u1ef7 gi\u00e2y m\u1ed7i ng\u00e0y v\u00e0 \u0111\u00f3ng vai tr\u00f2 l\u00e0 m\u1ed1c th\u1eddi gian cho c\u1ea3 qu\u1ed1c gia. H\u1ec7 th\u1ed1ng \u0111\u1ed3ng h\u1ed3 d\u1ef1 ph\u00f2ng, n\u1eb1m \u1edf b\u00ean kia h\u00e0nh lang, \u0111\u1ea3m b\u1ea3o lu\u00f4n c\u00f3 th\u1eddi gian ch\u00ednh x\u00e1c.<\/p>\n\n

Ng\u1eafm sao trong l\u00f2ng th\u00e0nh ph\u1ed1<\/h2>\n\n

M\u1eb7c d\u00f9 \u0110\u00e0i quan s\u00e1t H\u1ea3i qu\u00e2n mang \u0111\u1ebfn c\u01a1 h\u1ed9i tuy\u1ec7t v\u1eddi \u0111\u1ec3 ng\u1eafm c\u00e1c v\u00ec sao, nh\u01b0ng \u00f4 nhi\u1ec5m \u00e1nh s\u00e1ng \u1edf c\u00e1c khu v\u1ef1c \u0111\u00f4 th\u1ecb c\u00f3 th\u1ec3 c\u1ea3n tr\u1edf ho\u1ea1t \u0111\u1ed9ng quan s\u00e1t. \u0110\u1ed1i v\u1edbi nh\u1eefng ai t\u00ecm ki\u1ebfm tr\u1ea3i nghi\u1ec7m ng\u1eafm sao nguy\u00ean s\u01a1 h\u01a1n, nh\u00e0 thi\u00ean v\u0103n h\u1ecdc chuy\u00ean nghi\u1ec7p Richard Schmidt khuy\u00ean b\u1ea1n n\u00ean \u0111i ra kh\u1ecfi th\u00e0nh ph\u1ed1 50 d\u1eb7m \u0111\u1ebfn C\u00f4ng vi\u00ean ti\u1ec3u bang Sky Meadows.<\/p>\n\n

B\u1ea3n \u0111\u1ed3 sao v\u00e0 ch\u00f2m sao<\/h2>\n\n

Hi\u1ec3u \u0111\u01b0\u1ee3c b\u1ea3n \u0111\u1ed3 sao v\u00e0 c\u00e1c ch\u00f2m sao l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ecbnh h\u01b0\u1edbng tr\u00ean b\u1ea7u tr\u1eddi \u0111\u00eam. B\u1ea3n \u0111\u1ed3 sao cung c\u1ea5p h\u00ecnh \u1ea3nh tr\u1ef1c quan v\u1ec1 c\u00e1c v\u00ec sao v\u00e0 v\u1ecb tr\u00ed c\u1ee7a ch\u00fang, trong khi ch\u00f2m sao l\u00e0 c\u00e1c nh\u00f3m sao t\u1ea1o th\u00e0nh c\u00e1c m\u00f4 h\u00ecnh d\u1ec5 nh\u1eadn di\u1ec7n. B\u1eb1ng c\u00e1ch nghi\u00ean c\u1ee9u b\u1ea3n \u0111\u1ed3 sao v\u00e0 tham gia c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh ng\u1eafm sao c\u00f3 h\u01b0\u1edbng d\u1eabn, du kh\u00e1ch c\u00f3 th\u1ec3 h\u1ecdc c\u00e1ch x\u00e1c \u0111\u1ecbnh c\u00e1c h\u00e0nh tinh, ch\u00f2m sao v\u00e0 c\u00e1c v\u1eadt th\u1ec3 tr\u00ean tr\u1eddi kh\u00e1c.<\/p>\n\n

T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c \u0111o th\u1eddi gian ch\u00ednh x\u00e1c<\/h2>\n\n

Vi\u1ec7c \u0111o th\u1eddi gian ch\u00ednh x\u00e1c r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7, bao g\u1ed3m \u0111\u1ecbnh v\u1ecb, giao ti\u1ebfp v\u00e0 th\u00e1m hi\u1ec3m kh\u00f4ng gian. \u0110\u1ed3ng h\u1ed3 ch\u00ednh c\u1ee7a \u0110\u00e0i quan s\u00e1t H\u1ea3i qu\u00e2n t\u1ea1o n\u1ec1n t\u1ea3ng cho vi\u1ec7c \u0111o th\u1eddi gian ch\u00ednh x\u00e1c tr\u00ean kh\u1eafp c\u1ea3 n\u01b0\u1edbc, cho ph\u00e9p c\u00e1c nh\u00e0 khoa h\u1ecdc v\u00e0 k\u1ef9 s\u01b0 th\u1ef1c hi\u1ec7n c\u00f4ng tr\u00ecnh c\u1ee7a m\u00ecnh v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao nh\u1ea5t.<\/p>\n\n

T\u1eeb \u01b0\u1edbc m\u01a1 th\u1eddi th\u01a1 \u1ea5u \u0111\u1ebfn kh\u00e1m ph\u00e1 khoa h\u1ecdc<\/h2>\n\n

Nhi\u1ec1u nh\u00e0 thi\u00ean v\u0103n h\u1ecdc b\u1eaft ngu\u1ed3n ni\u1ec1m \u0111am m\u00ea c\u1ee7a h\u1ecd v\u1edbi nh\u1eefng v\u00ec sao t\u1eeb nh\u1eefng tr\u1ea3i nghi\u1ec7m th\u1eddi th\u01a1 \u1ea5u. Chuy\u00ean gia v\u1eadt l\u00fd thi\u00ean v\u0103n t\u1ea1i \u0111\u00e0i quan s\u00e1t Geoff Chester ghi nh\u1eadn cu\u1ed1n s\u00e1ch “The Conquest of Space” c\u1ee7a Willy Ley c\u00f9ng nh\u1eefng h\u00ecnh minh h\u1ecda tuy\u1ec7t \u0111\u1eb9p c\u1ee7a cu\u1ed1n s\u00e1ch n\u00e0y \u0111\u00e3 th\u1eafp l\u00ean trong \u00f4ng ni\u1ec1m \u0111am m\u00ea thi\u00ean v\u0103n h\u1ecdc su\u1ed1t \u0111\u1eddi. Th\u00f4ng qua c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u t\u1ea1i \u0111\u00e0i quan s\u00e1t v\u00e0 c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh ph\u1ed5 bi\u1ebfn ki\u1ebfn th\u1ee9c khoa h\u1ecdc, Chester v\u1eabn ti\u1ebfp t\u1ee5c truy\u1ec1n c\u1ea3m h\u1ee9ng cho c\u00e1c th\u1ebf h\u1ec7 nh\u00e0 thi\u00ean v\u0103n h\u1ecdc t\u01b0\u01a1ng lai.<\/p>\n\n

M\u1eb9o ng\u1eafm sao t\u1ea1i c\u00e1c khu v\u1ef1c \u00f4 nhi\u1ec5m \u00e1nh s\u00e1ng<\/h2>\n\n

B\u1ea5t ch\u1ea5p nh\u1eefng th\u00e1ch th\u1ee9c t\u1eeb \u00f4 nhi\u1ec5m \u00e1nh s\u00e1ng, v\u1eabn c\u00f3 th\u1ec3 t\u1eadn h\u01b0\u1edfng ho\u1ea1t \u0111\u1ed9ng ng\u1eafm sao \u1edf c\u00e1c khu v\u1ef1c \u0111\u00f4 th\u1ecb. T\u00ecm m\u1ed9t \u0111\u1ecba \u0111i\u1ec3m c\u00f3 \u00edt nhi\u1ec5u s\u00e1ng nh\u1ea5t l\u00e0 \u0111i\u1ec1u c\u1ed1t y\u1ebfu. Schmidt g\u1ee3i \u00fd n\u00ean tr\u00e1nh xa c\u00e1c khu v\u1ef1c g\u1ea7n \u0111\u00e8n \u0111\u01b0\u1eddng v\u00e0 c\u00e1c ngu\u1ed3n s\u00e1ng m\u1ea1nh kh\u00e1c. Ngo\u00e0i ra, s\u1eed d\u1ee5ng \u1ed1ng nh\u00f2m ho\u1eb7c k\u00ednh vi\u1ec5n v\u1ecdng c\u00f3 th\u1ec3 gi\u00fap t\u0103ng kh\u1ea3 n\u0103ng quan s\u00e1t c\u00e1c v\u00ec sao v\u00e0 h\u00e0nh tinh.<\/p>","protected":false},"excerpt":{"rendered":"

Kh\u00e1m ph\u00e1 b\u1ea7u tr\u1eddi: H\u00e0nh tr\u00ecnh \u0111\u1ebfn \u0110\u00e0i quan s\u00e1t H\u1ea3i qu\u00e2n Thi\u00ean v\u0103n h\u1ecdc t\u1ea1i \u0110\u00e0i quan s\u00e1t H\u1ea3i qu\u00e2n N\u1eb1m \u1edf trung t\u00e2m Washington, D.C., \u0110\u00e0i quan s\u00e1t…<\/p>\n","protected":false},"author":2,"featured_media":24889,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[437],"tags":[2880,3090,434,3262,3261,1448,435],"class_list":["post-1476","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-astronomy","tag-celestial-bodies","tag-timekeeping","tag-space-exploration","tag-naval-observatory","tag-stargazing","tag-telescopes","tag-astronomy"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/1476","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=1476"}],"version-history":[{"count":2,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/1476\/revisions"}],"predecessor-version":[{"id":24890,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/1476\/revisions\/24890"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media\/24889"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=1476"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=1476"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=1476"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}