{"id":11254,"date":"2023-12-18T14:41:33","date_gmt":"2023-12-18T14:41:33","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=11254"},"modified":"2023-12-18T14:41:33","modified_gmt":"2023-12-18T14:41:33","slug":"galactic-gps-revolutionizing-space-navigation","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/space-science\/galactic-gps-revolutionizing-space-navigation\/","title":{"rendered":"GPS Thi\u00ean h\u00e0: H\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb d\u1eabn \u0111\u01b0\u1eddng mang t\u00ednh c\u00e1ch m\u1ea1ng cho ho\u1ea1t \u0111\u1ed9ng th\u00e1m hi\u1ec3m kh\u00f4ng gian"},"content":{"rendered":"<h2 class=\"wp-block-heading\">GPS Thi\u00ean h\u00e0: H\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb d\u1eabn \u0111\u01b0\u1eddng mang t\u00ednh c\u00e1ch m\u1ea1ng cho ho\u1ea1t \u0111\u1ed9ng th\u00e1m hi\u1ec3m kh\u00f4ng gian<\/h2>\n\n<h3 class=\"wp-block-heading\">Nhu c\u1ea7u v\u1ec1 h\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb li\u00ean h\u00e0nh tinh<\/h3>\n\n<p>Khi con ng\u01b0\u1eddi ti\u1ebfn s\u00e2u h\u01a1n v\u00e0o kh\u00f4ng gian, nhu c\u1ea7u v\u1ec1 c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb d\u1eabn \u0111\u01b0\u1eddng ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady ng\u00e0y c\u00e0ng tr\u1edf n\u00ean c\u1ea5p thi\u1ebft. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ecbnh v\u1ecb d\u1eabn \u0111\u01b0\u1eddng truy\u1ec1n th\u1ed1ng, v\u1ed1n d\u1ef1a v\u00e0o c\u00e1c tr\u1ea1m theo d\u00f5i tr\u00ean Tr\u00e1i \u0111\u1ea5t, tr\u1edf n\u00ean k\u00e9m hi\u1ec7u qu\u1ea3 h\u01a1n khi t\u00e0u v\u0169 tr\u1ee5 di chuy\u1ec3n xa h\u01a1n kh\u1ecfi h\u00e0nh tinh c\u1ee7a ch\u00fang ta.<\/p>\n\n<h3 class=\"wp-block-heading\">H\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb d\u1eabn \u0111\u01b0\u1eddng d\u1ef1a tr\u00ean sao xung: M\u1ed9t b\u01b0\u1edbc ngo\u1eb7t<\/h3>\n\n<p>M\u1ed9t gi\u1ea3i ph\u00e1p \u0111\u1ed9t ph\u00e1 cho th\u00e1ch th\u1ee9c n\u00e0y l\u00e0 ph\u00e1t tri\u1ec3n m\u1ed9t h\u1ec7 th\u1ed1ng GPS thi\u00ean h\u00e0 s\u1eed d\u1ee5ng sao xung &#8211; nh\u1eefng ng\u00f4i sao \u0111\u00e3 ch\u1ebft ph\u00e1t ra c\u00e1c v\u1ee5 n\u1ed5 b\u1ee9c x\u1ea1 \u0111i\u1ec7n t\u1eeb th\u01b0\u1eddng xuy\u00ean. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng th\u1eddi gian ch\u00ednh x\u00e1c c\u1ee7a nh\u1eefng xung n\u00e0y, t\u00e0u v\u0169 tr\u1ee5 c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed c\u1ee7a ch\u00fang trong kh\u00f4ng gian v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111\u00e1ng kinh ng\u1ea1c.<\/p>\n\n<h3 class=\"wp-block-heading\">H\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb d\u1eabn \u0111\u01b0\u1eddng d\u1ef1a tr\u00ean sao xung ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/h3>\n\n<p>M\u1ed9t t\u00e0u v\u0169 tr\u1ee5 \u0111\u01b0\u1ee3c trang b\u1ecb h\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb d\u1eabn \u0111\u01b0\u1eddng d\u1ef1a tr\u00ean sao xung mang theo m\u1ed9t m\u00e1y d\u00f2 thu tia X t\u1eeb nhi\u1ec1u sao xung. M\u00e1y d\u00f2 s\u1eed d\u1ee5ng th\u1eddi gian v\u00e0 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a nh\u1eefng xung n\u00e0y \u0111\u1ec3 t\u00ednh to\u00e1n v\u1ecb tr\u00ed c\u1ee7a t\u00e0u v\u0169 tr\u1ee5 so v\u1edbi c\u00e1c sao xung. Sau \u0111\u00f3, d\u1eef li\u1ec7u n\u00e0y \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1edfi ph\u1ea7n m\u1ec1m t\u00edch h\u1ee3p \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed v\u00e0 h\u01b0\u1edbng c\u1ee7a t\u00e0u v\u0169 tr\u1ee5.<\/p>\n\n<h3 class=\"wp-block-heading\">\u01afu \u0111i\u1ec3m c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb d\u1eabn \u0111\u01b0\u1eddng d\u1ef1a tr\u00ean sao xung<\/h3>\n\n<p>H\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb d\u1eabn \u0111\u01b0\u1eddng d\u1ef1a tr\u00ean sao xung cung c\u1ea5p m\u1ed9t s\u1ed1 \u01b0u \u0111i\u1ec3m so v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n th\u1ed1ng:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u1ed9 ch\u00ednh x\u00e1c:<\/strong> Sao xung cung c\u1ea5p m\u1ed9t h\u1ec7 quy chi\u1ebfu \u0111\u1ecbnh v\u1ecb c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao, cho ph\u00e9p t\u00e0u v\u0169 tr\u1ee5 x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed c\u1ee7a ch\u00fang v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n bao gi\u1edd h\u1ebft.<\/li>\n<li><strong>T\u1ea7m xa:<\/strong> T\u00edn hi\u1ec7u t\u1eeb sao xung c\u00f3 th\u1ec3 truy\u1ec1n \u0111i r\u1ea5t xa trong kh\u00f4ng gian, khi\u1ebfn ch\u00fang ph\u00f9 h\u1ee3p cho ho\u1ea1t \u0111\u1ed9ng \u0111\u1ecbnh v\u1ecb d\u1eabn \u0111\u01b0\u1eddng trong c\u00e1c nhi\u1ec7m v\u1ee5 th\u00e1m hi\u1ec3m kh\u00f4ng gian s\u00e2u.<\/li>\n<li><strong>T\u00ednh \u0111\u1ed9c l\u1eadp:<\/strong> H\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb d\u1eabn \u0111\u01b0\u1eddng d\u1ef1a tr\u00ean sao xung ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c l\u1eadp v\u1edbi c\u00e1c tr\u1ea1m theo d\u00f5i tr\u00ean Tr\u00e1i \u0111\u1ea5t, mang l\u1ea1i cho t\u00e0u v\u0169 tr\u1ee5 kh\u1ea3 n\u0103ng t\u1ef1 ch\u1ee7 v\u00e0 linh ho\u1ea1t h\u01a1n.<\/li>\n<\/ul>\n\n<h3 class=\"wp-block-heading\">Ph\u00f2ng th\u00ed nghi\u1ec7m th\u1eed nghi\u1ec7m \u0111\u1ecbnh v\u1ecb d\u1eabn \u0111\u01b0\u1eddng tia X Goddard (GXNLT)<\/h3>\n\n<p>\u0110\u1ec3 ki\u1ec3m tra t\u00ednh kh\u1ea3 thi c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb d\u1eabn \u0111\u01b0\u1eddng d\u1ef1a tr\u00ean sao xung, NASA \u0111\u00e3 ph\u00e1t tri\u1ec3n Ph\u00f2ng th\u00ed nghi\u1ec7m th\u1eed nghi\u1ec7m \u0111\u1ecbnh v\u1ecb d\u1eabn \u0111\u01b0\u1eddng tia X Goddard (GXNLT). Ph\u00f2ng th\u00ed nghi\u1ec7m n\u00e0y m\u00f4 ph\u1ecfng c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ee7a kh\u00f4ng gian li\u00ean h\u00e0nh tinh v\u00e0 cho ph\u00e9p c\u00e1c k\u1ef9 s\u01b0 nghi\u00ean c\u1ee9u hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb d\u1eabn \u0111\u01b0\u1eddng d\u1ef1a tr\u00ean sao xung.<\/p>\n\n<h3 class=\"wp-block-heading\">T\u01b0\u01a1ng lai c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb d\u1eabn \u0111\u01b0\u1eddng d\u1ef1a tr\u00ean sao xung<\/h3>\n\n<p>N\u1ebfu th\u00e0nh c\u00f4ng, c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb d\u1eabn \u0111\u01b0\u1eddng d\u1ef1a tr\u00ean sao xung s\u1ebd c\u00e1ch m\u1ea1ng h\u00f3a ho\u1ea1t \u0111\u1ed9ng th\u00e1m hi\u1ec3m kh\u00f4ng gian. Ch\u00fang s\u1ebd cho ph\u00e9p t\u00e0u v\u0169 tr\u1ee5 \u0111\u1ecbnh v\u1ecb th\u00f4ng qua h\u1ec7 m\u1eb7t tr\u1eddi v\u00e0 xa h\u01a1n n\u1eefa v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 t\u00ednh \u0111\u1ed9c l\u1eadp ch\u01b0a t\u1eebng c\u00f3. C\u00f4ng ngh\u1ec7 n\u00e0y c\u00f3 th\u1ec3 m\u1edf \u0111\u01b0\u1eddng cho nh\u1eefng nhi\u1ec7m v\u1ee5 \u0111\u1ea7y tham v\u1ecdng t\u1edbi c\u00e1c h\u00e0nh tinh, m\u1eb7t tr\u0103ng xa x\u00f4i, v\u00e0 th\u1eadm ch\u00ed l\u00e0 c\u00e1c h\u1ec7 sao kh\u00e1c.<\/p>\n\n<h3 class=\"wp-block-heading\">C\u00e1c \u1ee9ng d\u1ee5ng ti\u1ec1m n\u0103ng c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb d\u1eabn \u0111\u01b0\u1eddng d\u1ef1a tr\u00ean sao xung<\/h3>\n\n<p>H\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb d\u1eabn \u0111\u01b0\u1eddng d\u1ef1a tr\u00ean sao xung c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng ti\u1ec1m n\u0103ng trong ho\u1ea1t \u0111\u1ed9ng th\u00e1m hi\u1ec3m kh\u00f4ng gian, bao g\u1ed3m:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Th\u00e1m hi\u1ec3m kh\u00f4ng gian s\u00e2u:<\/strong> \u0110\u1ecbnh v\u1ecb t\u00e0u v\u0169 tr\u1ee5 \u0111\u1ebfn c\u00e1c h\u00e0nh tinh v\u00e0 m\u1eb7t tr\u0103ng xa x\u00f4i, ch\u1eb3ng h\u1ea1n nh\u01b0 sao H\u1ecfa, c\u00e1c m\u1eb7t tr\u0103ng c\u1ee7a sao M\u1ed9c v\u00e0 sao Di\u00eam V\u01b0\u01a1ng.<\/li>\n<li><strong>Du h\u00e0nh gi\u1eefa c\u00e1c v\u00ec sao:<\/strong> Cho ph\u00e9p t\u00e0u v\u0169 tr\u1ee5 du h\u00e0nh \u0111\u1ebfn v\u00e0 kh\u00e1m ph\u00e1 c\u00e1c h\u1ec7 sao kh\u00e1c.<\/li>\n<li><strong>Ho\u1ea1t \u0111\u1ed9ng t\u00e0u v\u0169 tr\u1ee5 t\u1ef1 h\u00e0nh:<\/strong> Cho ph\u00e9p t\u00e0u v\u0169 tr\u1ee5 th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c ph\u1ee9c t\u1ea1p v\u00e0 h\u1eb9n g\u1eb7p v\u1edbi c\u00e1c t\u00e0u v\u0169 tr\u1ee5 kh\u00e1c m\u00e0 kh\u00f4ng c\u1ea7n d\u1ef1a v\u00e0o tr\u1ea1m ki\u1ec3m so\u00e1t m\u1eb7t \u0111\u1ea5t.<\/li>\n<\/ul>\n\n<h3 class=\"wp-block-heading\">K\u1ebft lu\u1eadn<\/h3>\n\n<p>H\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb d\u1eabn \u0111\u01b0\u1eddng d\u1ef1a tr\u00ean sao xung l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 \u0111\u1ea7y h\u1ee9a h\u1eb9n c\u00f3 kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i ho\u1ea1t \u0111\u1ed9ng th\u00e1m hi\u1ec3m kh\u00f4ng gian. B\u1eb1ng c\u00e1ch khai th\u00e1c s\u1ee9c m\u1ea1nh c\u1ee7a c\u00e1c sao xung, t\u00e0u v\u0169 tr\u1ee5 c\u00f3 th\u1ec3 \u0111\u1ecbnh v\u1ecb th\u00f4ng qua v\u00f9ng kh\u00f4ng gian r\u1ed9ng l\u1edbn v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 t\u00ednh \u0111\u1ed9c l\u1eadp ch\u01b0a t\u1eebng c\u00f3. C\u00f4ng ngh\u1ec7 n\u00e0y c\u00f3 th\u1ec3 m\u1edf \u0111\u01b0\u1eddng cho nh\u1eefng kh\u00e1m ph\u00e1 v\u00e0 nhi\u1ec7m v\u1ee5 mang t\u00ednh \u0111\u1ed9t ph\u00e1, m\u1edf r\u1ed9ng s\u1ef1 hi\u1ec3u bi\u1ebft c\u1ee7a ch\u00fang ta v\u1ec1 v\u0169 tr\u1ee5.<\/p>","protected":false},"excerpt":{"rendered":"<p>GPS Thi\u00ean h\u00e0: H\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb d\u1eabn \u0111\u01b0\u1eddng mang t\u00ednh c\u00e1ch m\u1ea1ng cho ho\u1ea1t \u0111\u1ed9ng th\u00e1m hi\u1ec3m kh\u00f4ng gian Nhu c\u1ea7u v\u1ec1 h\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb li\u00ean h\u00e0nh tinh&hellip;<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[476],"tags":[4256,15239,434,15238,435,436],"class_list":["post-11254","post","type-post","status-publish","format-standard","hentry","category-space-science","tag-navigation","tag-gps","tag-space-exploration","tag-pulsars","tag-astronomy","tag-astrophysics"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/11254","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\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=11254"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/11254\/revisions"}],"predecessor-version":[{"id":11255,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/11254\/revisions\/11255"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=11254"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=11254"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=11254"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}