{"id":3943,"date":"2020-05-13T11:41:02","date_gmt":"2020-05-13T04:41:02","guid":{"rendered":"https:\/\/rosetta.vn\/nguyenxuanxanh\/?p=3943"},"modified":"2020-05-13T14:56:49","modified_gmt":"2020-05-13T07:56:49","slug":"sao-choi-swan-thien-nga-ky-quan-vu-tru","status":"publish","type":"post","link":"https:\/\/rosetta.vn\/nguyenxuanxanh\/sao-choi-swan-thien-nga-ky-quan-vu-tru\/","title":{"rendered":"Sao ch\u1ed5i SWAN (THI\u00caN NGA): K\u1ef3 quan v\u0169 tr\u0169"},"content":{"rendered":"<p style=\"text-align: center\"><span style=\"font-size: 24pt;color: #008000\">K\u1ef2 QUAN C\u1ee6A V\u0168 TR\u1ee4<\/span><\/p>\n<p style=\"text-align: center\"><span style=\"color: #000080\"><span style=\"font-size: 24pt\">SAO CH\u1ed4I SWAN (THI\u00caN NGA)<\/span> <\/span><\/p>\n<p style=\"text-align: center\"><span style=\"font-size: 24pt;color: #000080\">v\u1edbi \u0111u\u00f4i d\u00e0i 10 tri\u1ec7u d\u1eb7m<\/span><\/p>\n<p>\u0110\u00e2y l\u00e0 m\u1ed9t m\u00e0n tr\u00ecnh di\u1ec5n ngo\u1ea1n m\u1ee5c hi\u1ebfm th\u1ea5y trong nh\u1eefng tu\u1ea7n t\u1edbi c\u1ee7a m\u1ed9t sao ch\u1ed5i v\u1edbi c\u00e1i \u0111u\u00f4i t\u00ednh ra d\u00e0i kho\u1ea3ng 40-44 l\u1ea7n kho\u1ea3ng c\u00e1ch Tr\u00e1i \u0111\u1ea5t-M\u1eb7t tr\u0103ng. Hi\u1ec7n THI\u00caN NGA hi\u1ec7n \u0111ang \u1edf g\u1ea7n Tr\u00e1i \u0110\u1ea5t nh\u1ea5t v\u1edbi kho\u1ea3ng c\u00e1ch h\u01a1n 83 tri\u1ec7u km, v\u00e0 ng\u00e0y 27\/5, thi\u00ean th\u1ec3 di\u1ec5m l\u1ec7 n\u00e0y s\u1ebd \u0111\u1ebfn v\u1ecb tr\u00ed g\u1ea7n M\u1eb7t Tr\u1eddi nh\u1ea5t \u2013 \u0111i\u1ec3m c\u1eadn nh\u1eadt (perihelion) &#8211; \u1edf kho\u1ea3ng c\u00e1ch 64 tri\u1ec7u km.<\/p>\n<p style=\"text-align: center\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-3944\" src=\"https:\/\/i0.wp.com\/rosetta.vn\/nguyenxuanxanh\/wp-content\/uploads\/sites\/6\/2020\/05\/SWAN.png?resize=686%2C524&#038;ssl=1\" alt=\"\" width=\"686\" height=\"524\" srcset=\"https:\/\/i0.wp.com\/rosetta.vn\/nguyenxuanxanh\/wp-content\/uploads\/sites\/6\/2020\/05\/SWAN.png?resize=300%2C229&amp;ssl=1 300w, https:\/\/i0.wp.com\/rosetta.vn\/nguyenxuanxanh\/wp-content\/uploads\/sites\/6\/2020\/05\/SWAN.png?resize=768%2C587&amp;ssl=1 768w, https:\/\/i0.wp.com\/rosetta.vn\/nguyenxuanxanh\/wp-content\/uploads\/sites\/6\/2020\/05\/SWAN.png?w=778&amp;ssl=1 778w\" sizes=\"(max-width: 686px) 100vw, 686px\" data-recalc-dims=\"1\" \/><\/p>\n<p style=\"text-align: center\">Sao ch\u1ed5i THI\u00caN NGA (SWAN), k\u00fd hi\u1ec7u C\/2020 F8, \u0111\u01b0\u1ee3c nh\u00ecn th\u1ea5y ng\u00e0y 2\/5\/2020.<\/p>\n<p style=\"text-align: center\">(Damian Peach, Chilescope)<\/p>\n<p>Sao ch\u1ed5i gi\u1edd \u0111\u00e2y c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y b\u1eb1ng m\u1eaft th\u01b0\u1eddng khi n\u00f3 qu\u00e9t t\u1eeb b\u1ea7u tr\u1eddi ph\u00eda nam \u0111\u1ebfn ph\u00eda b\u1eafc. Xu\u1ea5t hi\u1ec7n v\u00e0o l\u00fac ho\u00e0ng h\u00f4n bu\u1ed5i s\u00e1ng g\u1ea7n \u0111\u01b0\u1eddng ch\u00e2n tr\u1eddi ph\u00eda \u0111\u00f4ng, Sao ch\u1ed5i THI\u00caN NGA s\u1ebd ti\u1ebfp c\u1eadn g\u1ea7n nh\u1ea5t v\u1edbi h\u00e0nh tinh Tr\u00e1i \u0111\u1ea5t v\u00e0o ng\u00e0y 12 th\u00e1ng 5 v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec3m c\u1eadn nh\u1eadt (perihelion) \u0111\u1ed1i v\u1edbi m\u1eb7t tr\u1eddi v\u00e0o ng\u00e0y 27 th\u00e1ng 5.<\/p>\n<p>\u201cNgay c\u1ea3 khi con ng\u01b0\u1eddi tr\u00ean tr\u00e1i \u0111\u1ea5t v\u1eabn b\u1ecb nh\u1ed1t l\u1ea1i th\u00ec thi\u00ean \u0111\u01b0\u1eddng v\u1eabn \u0111\u01b0\u1ee3c t\u1ef1 do. Ch\u00fang ta lu\u00f4n lu\u00f4n c\u00f3 l\u00fd do \u0111\u1ec3 nh\u00ecn l\u00ean, c\u00f3 l\u1ebd b\u00e2y gi\u1edd h\u01a1n bao gi\u1edd h\u1ebft\u201d, c\u00e2y b\u00fat khoa h\u1ecdc v\u00e0 thi\u00ean v\u0103n h\u1ecdc Dennis Overbye c\u1ee7a t\u1edd The New York Times vi\u1ebft. Trong th\u1eddi d\u1ecbch h\u1ecda, ng\u1eafm nh\u00ecn sao ch\u1ed5i qu\u1ea3 l\u00e0 m\u1ed9t s\u1ef1 \u201cxa x\u1ec9\u201d, \u0111\u1ec3 c\u00f3 s\u1ee9c ch\u1ecbu \u0111\u1ef1ng t\u1ed1t h\u01a1n, l\u1ea1c quan h\u01a1n.<\/p>\n<p>Sao ch\u1ed5i THI\u00caN NGA m\u1edbi \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n hi\u1ec7n \u0111ang \u0111i qua ch\u00f2m sao Song Ng\u01b0 \u2013 Pisces. N\u1ebfu b\u1ea1n may m\u1eafn s\u1ed1ng \u1edf Nam b\u00e1n c\u1ea7u v\u00e0 c\u00f3 th\u1ec3 t\u00ecm th\u1ea5y Song Ng\u01b0, b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y sao ch\u1ed5i n\u00e0y. Kh\u00e1m ph\u00e1 sao ch\u1ed5i THI\u00caN NGA c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c xem l\u00e0 \u201cth\u00e0nh t\u00edch ph\u1ee5\u201d c\u1ee7a \u0111\u1ea1i d\u1ecbch corona. V\u00ec sao?<\/p>\n<p style=\"text-align: center\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-3945\" src=\"https:\/\/i0.wp.com\/rosetta.vn\/nguyenxuanxanh\/wp-content\/uploads\/sites\/6\/2020\/05\/Quy-dao-SWAN.png?resize=556%2C269&#038;ssl=1\" alt=\"\" width=\"556\" height=\"269\" srcset=\"https:\/\/i0.wp.com\/rosetta.vn\/nguyenxuanxanh\/wp-content\/uploads\/sites\/6\/2020\/05\/Quy-dao-SWAN.png?resize=300%2C145&amp;ssl=1 300w, https:\/\/i0.wp.com\/rosetta.vn\/nguyenxuanxanh\/wp-content\/uploads\/sites\/6\/2020\/05\/Quy-dao-SWAN.png?w=745&amp;ssl=1 745w\" sizes=\"(max-width: 556px) 100vw, 556px\" data-recalc-dims=\"1\" \/><\/p>\n<p style=\"text-align: center\"><span class=\"tlid-translation translation\" lang=\"vi\">Qu\u1ef9 \u0111\u1ea1o hyperbolic c\u1ee7a sao ch\u1ed5i nghi\u00eang 110,8 \u00b0 n\u00ean n\u00f3 v\u00f2ng th\u1eb3ng l\u00ean v\u00e0 bay qua m\u1eb7t ph\u1eb3ng <\/span><\/p>\n<p style=\"text-align: center\"><span class=\"tlid-translation translation\" lang=\"vi\">c\u1ee7a c\u00e1c h\u00e0nh tinh (ph\u00eda tr\u00ean C\u1ef1c B\u1eafc c\u1ee7a Tr\u00e1i \u0111\u1ea5t).\u00a0 <\/span><span class=\"tlid-translation translation\" lang=\"vi\">Chu k\u1ef3 qu\u1ef9 \u0111\u1ea1o c\u1ee7a n\u00f3 ch\u01b0a \u0111\u01b0\u1ee3c <\/span><\/p>\n<p style=\"text-align: center\"><span class=\"tlid-translation translation\" lang=\"vi\">bi\u1ebft \u0111\u1ebfn v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c nh\u01b0ng dao \u0111\u1ed9ng trong h\u00e0ng ng\u00e0n \u0111\u1ebfn h\u00e0ng tri\u1ec7u n\u0103m.<\/span><\/p>\n<p style=\"text-align: center\"><span class=\"tlid-translation translation\" lang=\"vi\"><em>NASA \/ JPL \/ Horizons<\/em> [2]<br \/>\n<\/span><\/p>\n<p>S\u1ebd kh\u00f4ng ai tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi t\u1ea1i sao THI\u00caN NGA l\u1ea1i xu\u1ea5t hi\u1ec7n v\u00e0o l\u00fac n\u00e0y c\u1ee7a d\u1ecbch b\u1ec7nh CoVid-19. Nh\u01b0ng ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 n\u00f3i th\u1ebf n\u00e0y: Ch\u00ednh trong nh\u1eefng ng\u00e0y \u0111\u1ea1i d\u1ecbch ho\u00e0nh h\u00e0nh tr\u00ean tr\u00e1i \u0111\u1ea5t m\u00e0 Michael Mattiazzo, nh\u00e0 thi\u00ean v\u0103n nghi\u1ec7m d\u01b0 s\u1ed1ng t\u1ea1i Adelaide, \u00dac, l\u00e0 ng\u01b0\u1eddi \u0111\u1ea7u ti\u00ean \u0111\u00e3 kh\u00e1m ph\u00e1 ra n\u00f3. \u00d4ng cho bi\u1ebft do c\u00f4ng vi\u1ec7c c\u1ee7a \u00f4ng trong k\u1ef9 ngh\u1ec7 b\u1ecb \u0111\u00ecnh tr\u1ec7 do d\u1ecbch, n\u00ean \u00f4ng \u0111\u00e3 c\u00f3 nhi\u1ec1u th\u00ec gi\u1edd h\u01a1n cho vi\u1ec7c s\u0103n \u0111u\u1ed5i c\u00e1c sao ch\u1ed5i, m\u1ed9t s\u1ef1 nhi\u1ec7t t\u00ecnh m\u00e0 \u00f4ng \u0111\u00e3 c\u00f3 \u0111\u01b0\u1ee3c k\u1ec3 t\u1eeb khi sao ch\u1ed5i Halley t\u00e1i xu\u1ea5t hi\u1ec7n m\u1eddi g\u1ecdi \u00f4ng v\u00e0o n\u0103m 1986. \u0110\u1ec3 th\u1ef1c hi\u1ec7n t\u00ecm ki\u1ebfm sao ch\u1ed5i c\u1ee7a ri\u00eang m\u00ecnh, \u00f4ng \u0111\u00e3 qu\u00e9t h\u00ecnh \u1ea3nh t\u1eeb \u0110\u00e0i quan s\u00e1t M\u1eb7t tr\u1eddi v\u00e0 v\u00f9ng \u1ea3nh h\u01b0\u1edfng c\u1ee7a n\u00f3 (Heliospheric), g\u1ecdi l\u00e0 SOHO, m\u1ed9t t\u00e0u v\u0169 tr\u1ee5 c\u1ee7a NASA v\u00e0 C\u01a1 quan V\u0169 tr\u1ee5 Ch\u00e2u \u00c2u \u0111ang xoay quanh m\u1eb7t tr\u1eddi kho\u1ea3ng m\u1ed9t tri\u1ec7u d\u1eb7m t\u1eeb Tr\u00e1i \u0111\u1ea5t. T\u00e0u v\u0169 tr\u1ee5 c\u00f3 m\u1ed9t m\u00e1y \u1ea3nh t\u00ean l\u00e0 SWAN, vi\u1ebft t\u1eaft c\u1ee7a Solar Wind ANisotropies. V\u00e0 Mattiazzo \u0111\u00e3 kh\u00e1m ph\u00e1 THI\u00caN NGA nh\u01b0 th\u1ebf v\u00e0o \u0111\u1ea7u th\u00e1ng 4.<\/p>\n<p>C\u00e1c nh\u00e0 thi\u00ean v\u0103n \u0111\u00e3 \u201cc\u1ea7u nguy\u1ec7n\u201d r\u1eb1ng sao ch\u1ed5i s\u1ebd ti\u1ebfp t\u1ee5c \u0111\u1ed9 s\u00e1ng trong v\u00e0i tu\u1ea7n t\u1edbi khi n\u00f3 ti\u1ebfn v\u1ec1 ph\u00eda b\u1eafc, \u0111i qua 52 tri\u1ec7u d\u1eb7m t\u1eeb Tr\u00e1i \u0111\u1ea5t v\u00e0o ng\u00e0y 12 th\u00e1ng N\u0103m \u1edf \u0111i\u1ec3m g\u1ea7n nh\u1ea5t c\u1ee7a \u0111\u00f3 v\u1edbi h\u00e0nh tinh ch\u00fang ta, v\u00e0 sau \u0111\u00f3 quay quanh m\u1eb7t tr\u1eddi ng\u00e0y 27 th\u00e1ng N\u0103m.<\/p>\n<p>Michael Mattiazzo t\u1ecf ra kh\u00f4ng l\u1ea1c quan l\u1eafm: \u201cT\u00f4i \u0111o\u00e1n l\u00e0 n\u00f3 s\u1ebd b\u00f9ng n\u1ed5 tr\u1edf l\u1ea1i tr\u01b0\u1edbc khi tan r\u00e3.&#8221; Cu\u1ed1i th\u00e1ng T\u01b0, m\u1ed9t sao ch\u1ed5i \u0111\u1ea7y tri\u1ec3n v\u1ecdng kh\u00e1c, ATLAS, \u0111\u00e3 s\u1ee5p \u0111\u1ed5 v\u00e0 m\u1edd d\u1ea7n m\u00e0 kh\u00f4ng bao gi\u1edd c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y b\u1eb1ng m\u1eaft th\u01b0\u1eddng. Hi\u1ec7n THI\u00caN NGA \u0111ang tr\u00ean qu\u1ef9 \u0111\u1ea1o hyperbolic ti\u1ebfn v\u1ec1 m\u1eb7t tr\u1eddi, \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec3m c\u1eadn nh\u1eadt xong, s\u1ebd quay \u0111\u1ea7u r\u1eddi b\u1ecf.<\/p>\n<p>Cu\u1ed1i th\u00e1ng 5 v\u00e0 b\u01b0\u1edbc qua th\u00e1ng 6, ng\u01b0\u1eddi mi\u1ec1n B\u1eafc s\u1ebd c\u00f3 m\u1ed9t c\u01a1 h\u1ed9i kh\u00e1c khi nh\u00ecn th\u1ea5y sao ch\u1ed5i ngay l\u00fac ch\u1ea1ng v\u1ea1ng t\u1ed1i. \u0110\u1ebfn l\u00fac \u0111\u00f3, n\u00f3 s\u1ebd \u0111i ngang qua Perseus \u0111\u1ec3 v\u00e0o Auriga, \u0111i kh\u00f4ng xa l\u1eafm ng\u00f4i sao s\u00e1ng Capella. Nh\u01b0ng m\u1ed9t l\u1ea7n n\u1eefa, n\u00f3 s\u1ebd ch\u1ec9 cao h\u01a1n m\u1ed9t v\u00e0i \u0111\u1ed9 so v\u1edbi \u0111\u01b0\u1eddng ch\u00e2n tr\u1eddi ph\u00eda b\u1eafc-t\u00e2y b\u1eafc theo <a href=\"https:\/\/skyandtelescope.org\/astronomy-news\/new-comet-alert-trio-of-comets-grace-our-skies\/\">Sky and Telescope magazine\u2019s viewing guide<\/a>.<\/p>\n<p>M\u1edbi th\u1ee9 s\u00e1u tu\u1ea7n tr\u01b0\u1edbc, sao ch\u1ed5i n\u00e0y s\u00e1ng nh\u01b0 nh\u1eefng ng\u00f4i sao m\u1edd nh\u1ea5t c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y b\u1eb1ng m\u1eaft th\u01b0\u1eddng &#8211; \u0111\u1ed9 l\u1edbn th\u1ee9 5 theo c\u00e1ch n\u00f3i c\u1ee7a thi\u00ean v\u0103n h\u1ecdc. C\u00e1c nh\u00e0 thi\u00ean v\u0103n d\u1ef1 \u0111o\u00e1n t\u1ed1t nh\u1ea5t r\u1eb1ng sao ch\u1ed5i s\u1ebd s\u00e1ng h\u01a1n g\u1ea5p 3 ho\u1eb7c 4 l\u1ea7n &#8211; l\u00ean t\u1edbi 3,5 \u0111\u1ed9 thi\u00ean v\u0103n &#8211; khi n\u00f3 di chuy\u1ec3n v\u1ec1 ph\u00eda b\u1eafc ra kh\u1ecfi Song Ng\u01b0 v\u00e0 qua c\u00e1c ch\u00f2m sao Tam gi\u00e1c v\u00e0 Perseus. Nh\u01b0ng s\u1ebd v\u1eabn kh\u00f3 \u0111\u1ec3 xem n\u1ebfu b\u1ea1n s\u1ed1ng \u1edf gi\u1eefa v\u0129 \u0111\u1ed9 ph\u00eda b\u1eafc. L\u00fac t\u1ed1t nh\u1ea5t, sao ch\u1ed5i s\u1ebd l\u01a1 l\u1eedng tr\u00ean b\u1ea7u tr\u1eddi ph\u00eda \u0111\u00f4ng b\u1eafc ngay tr\u01b0\u1edbc b\u00ecnh minh.<\/p>\n<p><strong>Sao ch\u1ed5i l\u00e0 g\u00ec?<\/strong><\/p>\n<p>Sao ch\u1ed5i c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb nh\u1eefng kh\u1ed1i kh\u00ed v\u00e0 b\u1ee5i \u0111\u00f4ng l\u1ea1nh \u2013 t\u00e0n d\u01b0 c\u1ee7a h\u00e0nh tinh \u0111ang t\u1ed3n t\u1ea1i trong m\u1ed9t c\u1eb7p b\u0103ng s\u00e2u ngo\u00e0i h\u1ec7 m\u1eb7t tr\u1eddi \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u00e1m m\u00e2y Oort v\u00e0 v\u00e0nh \u0111ai Kuiper, k\u1ec3 t\u1eeb khi h\u1ec7 m\u1eb7t tr\u1eddi h\u00ecnh th\u00e0nh 4,5 t\u1ef7 n\u0103m tr\u01b0\u1edbc. Th\u1ec9nh tho\u1ea3ng, l\u1ef1c h\u1ea5p d\u1eabn t\u1eeb m\u1ed9t ng\u00f4i sao \u0111i qua \u0111\u00e1nh b\u1eadt ra m\u1ed9t qu\u1ea3 b\u00f3ng tuy\u1ebft c\u1ee7a c\u00e1c t\u00e0n d\u01b0 n\u00e0y v\u00e0 l\u00e0m cho n\u00f3 bay v\u1ec1 h\u01b0\u1edbng m\u1eb7t tr\u1eddi. T\u1eeb nh\u1eefng g\u00ec h\u1ecd bi\u1ebft v\u1ec1 qu\u1ef9 \u0111\u1ea1o c\u1ee7a n\u00f3 cho \u0111\u1ebfn nay, c\u00e1c nh\u00e0 thi\u00ean v\u0103n h\u1ecdc ng\u1edd r\u1eb1ng THI\u00caN NGA l\u00e0 m\u1ed9t trong nh\u1eefng sao ch\u1ed5i m\u1edbi lo\u1ea1i n\u00e0y, m\u1edbi \u0111\u1ebfn t\u1eeb c\u00e1c c\u00f5i b\u00ean ngo\u00e0i c\u1ee7a h\u1ec7 m\u1eb7t tr\u1eddi. \u00c1nh s\u00e1ng m\u1eb7t tr\u1eddi c\u00f3 l\u1ebd l\u1ea7n \u0111\u1ea7u ti\u00ean ch\u1ea1m v\u00e0o b\u1ec1 m\u1eb7t m\u1ecfng manh, d\u1ec5 bay h\u01a1i c\u1ee7a n\u00f3, khi\u1ebfn n\u00f3 b\u1ecb r\u1ea1n n\u1ee9t v\u00e0 \u0111un s\u00f4i kh\u00ed v\u00e0 n\u00e9m b\u1ee5i ra ngo\u00e0i.<\/p>\n<p>K\u1ebft qu\u1ea3 c\u1ee7a m\u1ed9t tr\u1ea3i nghi\u1ec7m m\u1edbi m\u1ebb nh\u01b0 v\u1eady c\u00f3 th\u1ec3 l\u00e0 r\u1ea5t ngo\u1ea1n m\u1ee5c, v\u00e0 \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi c\u1ed5 \u0111\u1ea1i l\u00e0 \u0111\u00e1ng s\u1ee3. B\u1ee5i b\u1ecb \u00e1p l\u1ef1c c\u1ee7a \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi \u0111\u1ea9y ra sau v\u00e0 l\u00e0m th\u00e0nh m\u1ed9t c\u00e1i \u0111u\u00f4i r\u1eadm r\u1ea1p \u0111\u00e0ng sau n\u00f3 d\u1ecdc theo con \u0111\u01b0\u1eddng sao ch\u1ed5i, v\u00e0 trong nhi\u1ec1u th\u1eadp k\u1ef7 t\u1edbi l\u00e0 m\u1ed9t ngu\u1ed3n <strong>m\u01b0a sao b\u0103ng<\/strong>. \u0110\u1ed3ng th\u1eddi, c\u00e1c kh\u00ed b\u1ecb ion h\u00f3a b\u1edfi b\u1ee9c x\u1ea1 c\u1ef1c t\u00edm c\u1ee7a m\u1eb7t tr\u1eddi, v\u00e0 ch\u00fang x\u1ebfp h\u00e0ng theo t\u1eeb tr\u01b0\u1eddng c\u1ee7a m\u1eb7t tr\u1eddi, th\u01b0\u1eddng ch\u1ec9 v\u1ec1 m\u1ed9t h\u01b0\u1edbng kh\u00e1c so v\u1edbi \u0111u\u00f4i b\u1ee5i. C\u00e1i \u0111u\u00f4i d\u00e0i hi\u1ec7n \u0111\u01b0\u1ee3c tr\u01b0ng b\u00e0y trong c\u00e1c t\u1ea5m \u1ea3nh thi\u00ean v\u0103n c\u1ee7a m\u00e1y SWAN l\u00e0 m\u1ed9t \u201cv\u1ec7t ion\u201d. (Dennis Overbye, [1])<\/p>\n<p><em>Ngu\u1ed3n<\/em>:<\/p>\n<p>[1]<\/p>\n<p><a href=\"https:\/\/www.nytimes.com\/2020\/05\/12\/science\/comet-swan.html?campaign_id=34&amp;emc=edit_sc_20200512&amp;instance_id=18412&amp;nl=science-times&amp;regi_id=73155885&amp;segment_id=27394&amp;te=1&amp;user_id=dfe20d5efa77920ce89d47762b2361fa\">https:\/\/www.nytimes.com\/2020\/05\/12\/science\/comet-swan.html?campaign_id=34&amp;emc=edit_sc_20200512&amp;instance_id=18412&amp;nl=science-times&amp;regi_id=73155885&amp;segment_id=27394&amp;te=1&amp;user_id=dfe20d5efa77920ce89d47762b2361fa<\/a><\/p>\n<p>[2]<\/p>\n<p><a href=\"https:\/\/skyandtelescope.org\/astronomy-news\/comet-swan-expected-to-put-on-a-splendid-show\/https:\/\/apod.nasa.gov\/apod\/ap200508.html\">https:\/\/skyandtelescope.org\/astronomy-news\/comet-swan-expected-to-put-on-a-splendid-show\/https:\/\/apod.nasa.gov\/apod\/ap200508.html<\/a><\/p>\n<p>[3]<\/p>\n<p><a href=\"https:\/\/apod.nasa.gov\/apod\/ap200508.html\">https:\/\/apod.nasa.gov\/apod\/ap200508.html<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>K\u1ef2 QUAN C\u1ee6A V\u0168 TR\u1ee4 SAO CH\u1ed4I SWAN (THI\u00caN NGA) v\u1edbi \u0111u\u00f4i d\u00e0i 10 tri\u1ec7u d\u1eb7m \u0110\u00e2y l\u00e0 m\u1ed9t m\u00e0n tr\u00ecnh di\u1ec5n ngo\u1ea1n m\u1ee5c hi\u1ebfm th\u1ea5y trong nh\u1eefng tu\u1ea7n t\u1edbi c\u1ee7a m\u1ed9t sao ch\u1ed5i v\u1edbi c\u00e1i \u0111u\u00f4i t\u00ednh ra d\u00e0i kho\u1ea3ng 40-44 l\u1ea7n kho\u1ea3ng c\u00e1ch Tr\u00e1i \u0111\u1ea5t-M\u1eb7t tr\u0103ng. Hi\u1ec7n THI\u00caN NGA hi\u1ec7n \u0111ang \u1edf g\u1ea7n<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"jetpack_post_was_ever_published":false},"categories":[1],"tags":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/rosetta.vn\/nguyenxuanxanh\/wp-json\/wp\/v2\/posts\/3943"}],"collection":[{"href":"https:\/\/rosetta.vn\/nguyenxuanxanh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rosetta.vn\/nguyenxuanxanh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rosetta.vn\/nguyenxuanxanh\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/rosetta.vn\/nguyenxuanxanh\/wp-json\/wp\/v2\/comments?post=3943"}],"version-history":[{"count":16,"href":"https:\/\/rosetta.vn\/nguyenxuanxanh\/wp-json\/wp\/v2\/posts\/3943\/revisions"}],"predecessor-version":[{"id":3961,"href":"https:\/\/rosetta.vn\/nguyenxuanxanh\/wp-json\/wp\/v2\/posts\/3943\/revisions\/3961"}],"wp:attachment":[{"href":"https:\/\/rosetta.vn\/nguyenxuanxanh\/wp-json\/wp\/v2\/media?parent=3943"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rosetta.vn\/nguyenxuanxanh\/wp-json\/wp\/v2\/categories?post=3943"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rosetta.vn\/nguyenxuanxanh\/wp-json\/wp\/v2\/tags?post=3943"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}