{"id":1218,"date":"2020-12-08T14:42:37","date_gmt":"2020-12-08T07:42:37","guid":{"rendered":"http:\/\/weathervn.com\/?p=1218"},"modified":"2020-12-08T14:46:01","modified_gmt":"2020-12-08T07:46:01","slug":"can-canh-khoanh-khac-dai-thien-van-vo-tuyen-lon-nhat-the-gioi-do-sap","status":"publish","type":"post","link":"https:\/\/vietweather.com\/index.php\/can-canh-khoanh-khac-dai-thien-van-vo-tuyen-lon-nhat-the-gioi-do-sap\/","title":{"rendered":"C\u1eadn c\u1ea3nh kho\u1ea3nh kh\u1eafc \u0111\u00e0i thi\u00ean v\u0103n v\u00f4 tuy\u1ebfn l\u1edbn nh\u1ea5t th\u1ebf gi\u1edbi \u0111\u1ed5 s\u1eadp"},"content":{"rendered":"
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A big loss to the astronomers of the world: NSF releases video of <\/span>#AreciboRadioTelescope<\/span><\/span> collapse \u0110\u00e0i quan s\u00e1t thi\u00ean v\u0103n s\u00f3ng radio Arecibo \u1edf Puerto Rico n\u1eb7ng 900 t\u1ea5n, r\u1ed9ng 305m, \u0111\u00e3 ph\u1ee5c v\u1ee5 cho vi\u1ec7c nghi\u00ean c\u1ee9u v\u0169 tr\u1ee5 c\u1ee7a nh\u00e2n lo\u1ea1i su\u1ed1t 57 n\u0103m qua, sau khi ph\u1ea3i ng\u01b0ng ho\u1ea1t \u0111\u1ed9ng v\u00ec \u0111\u1ee9t d\u00e2y c\u00e1p v\u00e0i th\u00e1ng tr\u01b0\u1edbc, th\u00ec \u0111\u1ebfn s\u00e1ng ng\u00e0y 1\/12\/2020 \u0111\u00e3 s\u1ee5p \u0111\u1ed5 ho\u00e0n to\u00e0n c\u1ea5u tr\u00fac. \u0110\u00e2y l\u00e0 tin bu\u1ed3n cho gi\u1edbi thi\u00ean v\u0103n \ud83d\udd2d<\/span><\/div>\n<\/div>\n
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T\u1ed5 ch\u1ee9c <\/span>Khoa h\u1ecdc<\/span><\/span> Qu\u1ed1c Gia M\u1ef9 (NSF) v\u1eeba c\u00f4ng b\u1ed1 \u0111o\u1ea1n video quay c\u1eadn c\u1ea3nh kho\u1ea3nh kh\u1eafc \u201cCon m\u1eaft c\u1ee7a th\u1ebf gi\u1edbi\u201d – <\/span>\u0110\u00e0i quan s\u00e1t<\/span><\/span> Arecibo, t\u1eebng \u0111\u01b0\u1ee3c m\u1ec7nh danh l\u00e0 \u0111\u00e0i quan s\u00e1t thi\u00ean v\u0103n l\u1edbn nh\u1ea5t th\u1ebf gi\u1edbi – \u0111\u1ed5 s\u1eadp! M\u1eddi xem video c\u1ea3nh s\u1ee5p \u0111\u1ed5 n\u00e0y t\u1eeb m\u00e1y quay c\u1ee7a drone (m\u00e1y bay \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa)<\/span><\/div>\n<\/div>\n
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S\u1ef1 vi\u1ec7c tr\u00ean x\u1ea3y ra v\u00e0o \u0111\u00eam 01\/12, khi b\u1ec7 \u0111\u1ee1 m\u00e1y thu t\u00edn hi\u1ec7u c\u1ee7a thi\u1ebft b\u1ecb n\u00e0y r\u01a1i xu\u1ed1ng, va ch\u1ea1m v\u1edbi \u0111\u0129a ph\u1ea3n x\u1ea1 r\u1ed9ng 300m b\u00ean d\u01b0\u1edbi. Tr\u01b0\u1edbc \u0111\u00f3, c\u00e1c k\u1ef9 s\u01b0 c\u0169ng t\u1eebng l\u00ean ti\u1ebfng c\u1ea3nh b\u00e1o v\u1ec1 t\u00ecnh tr\u1ea1ng h\u1ecfng h\u00f3c kh\u00e1 nghi\u00eam tr\u1ecdng, c\u0169ng nh\u01b0 c\u00e1c s\u1ef1 c\u1ed1 x\u1ea3y ra \u0111\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng d\u00e2y c\u00e1p \u0111\u1ee1 c\u00f3 th\u1ec3 khi\u1ebfn thi\u1ebft b\u1ecb n\u00e0y kh\u00f4ng ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ea3i tr\u1ecdng nh\u01b0 ban \u0111\u1ea7u. NSF \u0111\u00e3 bu\u1ed9c ph\u1ea3i cho d\u1eebng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u00e0i thi\u00ean v\u0103n n\u00e0y v\u00e0 l\u00ean k\u1ebf ho\u1ea1ch<\/span><\/div>\n<\/div>\n
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* Puerto Rico n\u1eb1m \u1edf ph\u00eda \u0111\u00f4ng b\u1eafc v\u00f9ng bi\u1ec3n Caribbean, ph\u00eda \u0111\u00f4ng n\u01b0\u1edbc C\u1ed9ng h\u00f2a Dominicana v\u00e0 ph\u00eda t\u00e2y Qu\u1ea7n \u0111\u1ea3o Virgin. L\u00e3nh th\u1ed5 Puerto Rico bao g\u1ed3m m\u1ed9t qu\u1ea7n \u0111\u1ea3o trong \u0111\u00f3 bao g\u1ed3m \u0111\u1ea3o ch\u00ednh Puerto Rico v\u00e0 nhi\u1ec1u \u0111\u1ea3o nh\u1ecf h\u01a1n xung quanh, l\u1edbn nh\u1ea5t l\u00e0 c\u00e1c \u0111\u1ea3o Vieques, Culebra v\u00e0 Mona.<\/span><\/div>\n<\/div>\n
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* \u0110\u00e0i thi\u00ean v\u0103n v\u00f4 tuy\u1ebfn l\u00e0 g\u00ec? l\u00e0 \u0111\u00e0i d\u00f9ng ch\u1ea3o anten thu t\u00edn hi\u1ec7u b\u1ee9c x\u1ea1 ph\u00e1t ra b\u1edfi c\u00e1c thi\u00ean th\u1ec3 trong v\u00f9ng b\u01b0\u1edbc s\u00f3ng kh\u00e1c c\u1ee7a ph\u1ed5 \u0111i\u1ec7n t\u1eeb, nh\u01b0 c\u00e1c tia X, t\u1eed ngo\u1ea1i, h\u1ed3ng ngo\u1ea1i v\u00e0 v\u00f4 tuy\u1ebfn. M\u1ed7i lo\u1ea1i b\u1ee9c x\u1ea1 ph\u00e1t ra do m\u1ed9t c\u01a1 ch\u1ebf v\u1eadt l\u00fd c\u00e1 bi\u1ec7t. t\u1eeb \u0111\u00f3 ph\u00e2n t\u00edch ra th\u00e0nh ph\u1ea7n v\u1eadt l\u00ed ho\u00e1 h\u1ecdc c\u1ee7a v\u1eadt ch\u1ea5t tr\u00ean c\u00e1c sao hay thi\u00ean th\u1ec3 \u0111\u00f3. n\u00ean ph\u1ea3i tr\u00e1nh xa s\u00f3ng \u0111i\u1ec7n t\u1eeb, \u0111i\u1ec7n tho\u1ea1i \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u00f3ng h\u1ea1t t\u1eeb v\u0169 tr\u1ee5. C\u00f2n \u0111\u00e0i thi\u00ean v\u0103n d\u00f9ng h\u1ec7 th\u1ea5u k\u00ednh quang h\u1ecdc th\u00ec c\u0169ng c\u1ea7n tr\u00e1nh xa th\u00e0nh ph\u1ed1 v\u00ec \u00e1nh \u0111\u00e8n<\/span><\/div>\n<\/div>\n
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* N\u00f3i th\u00eam v\u1ec1 radio telescope c\u0169ng c\u00f3 m\u1ed9t h\u1ec7 th\u1ed1ng k\u00ednh thi\u00ean v\u0103n v\u00f4 tuy\u1ebfn ALMA (Atacama Large Millimeter Array) t\u1ea1i sa m\u1ea1c Atacama \u1edf Chile v\u1ecb tr\u00ed 5000m so v\u1edbi m\u1ef1c n\u01b0\u1edbc bi\u1ec3n. G\u1ed3m 66 c\u00e2y anten m\u1ed7i c\u00e2y 12m n\u1eb7ng \u0111\u1ebfn 115 t\u1ea5n l\u00e0 k\u1ebft qu\u1ea3 h\u1ee3p t\u00e1c nhi\u1ec1u qu\u1ed1c gia bao g\u1ed3m Li\u00ean minh ch\u00e2u \u00c2u, M\u1ef9, Canada, Nh\u1eadt B\u1ea3n, \u0110\u00e0i Loan v\u00e0 n\u01b0\u1edbc ch\u1ee7 nh\u00e0 Chile v\u1edbi chi ph\u00ed ~1.5 t\u1ec9 \u0111\u00f4. C\u00e1c angten n\u00e0y tuy ch\u1ea3o nh\u1ecf h\u01a1n so v\u1edbi ch\u1ea3o Arecibo n\u00e0y nh\u01b0ng ng\u01b0\u1eddi ta d\u00f9ng nhi\u1ec1u anten xoay v\u1ec1 m\u1ed9t h\u01b0\u1edbng thu t\u00edn hi\u1ec7u sau \u0111\u00f3 k\u1ebft h\u1ee3p t\u00edn hi\u1ec7u \u0111\u1ec3 ch\u00fang m\u00f4 ph\u1ecfng m\u1ed9t \u0103ng-ten l\u1edbn h\u01a1n, nh\u1eb1m \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao h\u01a1n v\u1edbi k\u1ef9 thu\u1eadt g\u1ecdi l\u00e0 giao thoa k\u1ebf thi\u00ean v\u0103n (astronomical interferometry). Gi\u1ed1ng nh\u01b0 m\u00ecnh ch\u1ee5p \u1ea3nh nhi\u1ec1u g\u00f3c camera r\u1ed3i gh\u00e9p \u1ea3nh panorama \u1ea5y. \u0110\u1ec3 t\u1ea1o ra h\u00ecnh \u1ea3nh t\u1eeb nhi\u1ec1u anten c\u1ea7n x\u1eed l\u00ed b\u1eb1ng h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh ALMA correlator chuy\u00ean d\u1ee5ng c\u0169ng l\u00e0 1 trong nh\u1eefng si\u00eau m\u00e1y t\u00ednh nhanh nh\u1ea5t tr\u00ean th\u1ebf gi\u1edbi. V\u00ec d\u1eef li\u1ec7u m\u00e0 ALMA thu \u0111\u01b0\u1ee3c trong 1 gi\u00e2y c\u0169ng c\u1ea7n n\u0103ng l\u1ef1c x\u1eed l\u00ed c\u1ee7a h\u00e0ng tri\u1ec7u m\u00e1y t\u00ednh x\u00e1ch tay. B\u1ee9c x\u1ea1 c\u1ee7a c\u00e1c thi\u00ean th\u1ec3 ph\u00e1t ra kh\u00f4ng ch\u1ec9 \u0111i qua \u0111\u01b0\u1ee3c t\u1ea7ng kh\u00ed quy\u1ec3n Tr\u00e1i \u0111\u1ea5t m\u00e0 c\u00f2n xuy\u00ean qua c\u00e1c \u0111\u00e1m m\u00e2y kh\u00ed b\u1ee5i gi\u1eefa c\u00e1c v\u00ec sao. N\u00ean k\u00ednh thi\u00ean v\u0103n v\u00f4 tuy\u1ebfn cho ph\u00e9p thu th\u1eadp nh\u1eefng h\u00ecnh \u1ea3nh v\u1edbi \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao, g\u1ea5p h\u01a1n ch\u1ee5c l\u1ea7n k\u00ednh thi\u00ean v\u0103n quang h\u1ecdc, nh\u1eefng h\u00ecnh \u1ea3nh v\u1eadt ch\u1ea5t b\u1ecb khu\u1ea5t sau v\u00f9ng s\u00e1ng m\u00e0 thi\u00ean v\u0103n quang h\u1ecdc kh\u00f4ng ch\u1ee5p \u0111\u01b0\u1ee3c… Mu\u1ed1n t\u1eadp trung thu t\u00edn hi\u1ec7u c\u1ee5c b\u1ed9 th\u00ec d\u1ed3n c\u00e1c tr\u1ee5 anten v\u00e0o di\u1ec7n t\u00edch nh\u1ecf c\u00f2n mu\u1ed1n 1 “b\u1ee9c tranh l\u1edbn” th\u00ec di d\u1eddi, ph\u00e2n b\u1ed1 c\u00e1c tr\u1ee5 anten xa h\u01a1n. Tu\u1ef3 m\u1ee5c \u0111\u00edch quan s\u00e1t m\u00e0 anten \u0111\u01b0\u1ee3c d\u1eddi \u0111i t\u1eeb 150-16km b\u1eb1ng xe chuy\u00ean d\u1ee5ng 28 b\u00e1nh d\u00e0i 10m r\u1ed9ng 20m cao 6m n\u1eb7ng 130 t\u1ea5n ch\u1ea1y b\u1eb1ng 2 \u0111\u1ed9ng c\u01a1 diesel 500kW si\u00eau n\u1ea1p. L\u00fd do di d\u1eddi l\u00e0, quanh \u0111\u00e0i ph\u1ea3i th\u1eadt y\u00ean t\u0129nh, tr\u00e1nh nh\u1eefng y\u1ebfu t\u1ed1 t\u00e1c \u0111\u1ed9ng l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a \u0111\u00e0i, s\u00f3ng radio, bluetooth, s\u00f3ng di \u0111\u1ed9ng… \u0111\u1ec1u b\u1ecb c\u1ea5m. \u1ede M\u1ef9 c\u00f3 1 th\u1ecb tr\u1ea5n ph\u1ea3i di d\u1eddi do n\u1eb1m g\u1ea7n \u0111\u00e0i thi\u00ean v\u0103n!<\/span><\/div>\n<\/div>\n
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* V\u00e0i ho\u00e0i ni\u1ec7m, Tr\u01b0\u1edbc khi Trung Qu\u1ed1c ch\u1ebf t\u1ea1o Sky Eye, danh hi\u1ec7u k\u00ednh vi\u1ec5n v\u1ecdng l\u1edbn nh\u1ea5t th\u1ebf gi\u1edbi thu\u1ed9c v\u1ec1 Arecibo \u1edf Puerto Rico, m\u1ed9t v\u00f9ng l\u00e3nh th\u1ed5 c\u1ee7a M\u1ef9 \u1edf bi\u1ec3n Caribe. \u0110\u00e0i thi\u00ean v\u0103n Arecibo l\u00e0 m\u1ed9t k\u00ednh vi\u1ec5n v\u1ecdng v\u00f4 tuy\u1ebfn c\u00f3 \u0111\u0129a ph\u1ea3n x\u1ea1 ch\u00ednh r\u1ed9ng 305 m v\u00e0 m\u1ed9t nh\u00e0 tr\u00f2n n\u1eb7ng 75 t\u1ea5n l\u00e0 n\u01a1i ch\u1ee9a c\u00e1c b\u1ec1 m\u1eb7t ph\u1ea3n x\u1ea1 th\u1ee9 hai, c\u0169ng nh\u01b0 c\u00e1c m\u00e1y ph\u00e1t radar v\u00e0 m\u00e1y thu vi s\u00f3ng. M\u1ed9t trong nh\u1eefng nhi\u1ec7m v\u1ee5 ch\u00ednh c\u1ee7a Arecibo l\u00e0 thu nh\u1eadn s\u00f3ng v\u00f4 tuy\u1ebfn t\u1eeb c\u00e1c thi\u00ean th\u1ec3 kh\u00e1c nhau trong v\u0169 tr\u1ee5. Tuy nhi\u00ean, n\u00f3 \u0111\u00e3 b\u1ecb h\u01b0 h\u1ecfng c\u1ea5u tr\u00fac nghi\u00eam tr\u1ecdng khi m\u1ed9t s\u1ee3i c\u00e1p b\u1ecb h\u1ecfng v\u00e0o th\u00e1ng 8 v\u1eeba qua, v\u00e0 t\u00ecnh h\u00ecnh ch\u1ec9 c\u00e0ng tr\u1edf n\u00ean t\u1ed3i t\u1ec7 h\u01a1n theo th\u1eddi gian. V\u00e0 cu\u1ed1i c\u00f9ng h\u00f4m 19\/11, Qu\u1ef9 Khoa h\u1ecdc Qu\u1ed1c gia M\u1ef9 (NSF) \u0111\u00e3 \u0111\u01b0a ra tuy\u00ean b\u1ed1 s\u1ebd b\u1eaft \u0111\u1ea7u k\u1ebf ho\u1ea1ch ng\u1eebng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a k\u00ednh vi\u1ec5n v\u1ecdng n\u00e0y, k\u1ebft th\u00fac 57 n\u0103m ph\u1ee5c v\u1ee5 c\u1ee7a n\u00f3. “Quy\u1ebft \u0111\u1ecbnh \u0111\u01b0\u1ee3c \u0111\u01b0a ra sau khi NSF \u0111\u00e1nh gi\u00e1 nhi\u1ec1u b\u00e1o c\u00e1o c\u1ee7a c\u00e1c c\u00f4ng ty k\u1ef9 thu\u1eadt \u0111\u1ed9c l\u1eadp cho th\u1ea5y c\u1ea5u tr\u00fac k\u00ednh vi\u1ec5n v\u1ecdng c\u00f3 nguy c\u01a1 h\u1ecfng h\u00f3c nghi\u00eam tr\u1ecdng v\u00e0 d\u00e2y c\u00e1p c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 kh\u00f4ng c\u00f2n kh\u1ea3 n\u0103ng mang t\u1ea3i tr\u1ecdng m\u00e0 ch\u00fang \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 h\u1ed7 tr\u1ee3”, NSF cho bi\u1ebft trong m\u1ed9t tuy\u00ean b\u1ed1. V\u1ea5n \u0111\u1ec1 kh\u00f4ng ch\u1ec9 b\u1edfi d\u00e2y c\u00e1p b\u1ecb \u0111\u1ee9t h\u1ed3i th\u00e1ng 8 m\u00e0 m\u1ed9t \u0111o\u1ea1n c\u00e1p th\u1ee9 2 c\u0169ng \u0111\u00e3 h\u1ecfng v\u00e0o \u0111\u1ea7u th\u00e1ng 11. \u0110\u00e2y l\u00e0 m\u1ed9t d\u00e2y c\u00e1p ch\u00ednh v\u00e0 vi\u1ec7c b\u1ecb \u0111\u1ee9t \u0111\u00e3 khi\u1ebfn n\u00f3 r\u01a1i v\u00e0o \u0111\u0129a ph\u1ea3n x\u1ea1, l\u00e0m h\u1ecfng c\u1ea3 m\u1ed9t ph\u1ea7n \u0111\u0129a v\u00e0 c\u00e1c d\u00e2y c\u00e1p kh\u00e1c g\u1ea7n \u0111\u00f3. C\u00e1c d\u00e2y c\u00e1p \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 h\u1ed7 tr\u1ee3 m\u1ed9t b\u1ec7 n\u1eb7ng 900 t\u1ea5n treo \u1edf \u0111\u1ed9 cao 137 m\u00e9t ph\u00eda tr\u00ean \u0111\u0129a ph\u1ea3n x\u1ea1. “M\u1ed7i s\u1ee3i c\u00e1p c\u00f2n l\u1ea1i c\u1ee7a c\u1ea5u tr\u00fac hi\u1ec7n \u0111ang ch\u1ecbu nhi\u1ec1u tr\u1ecdng l\u01b0\u1ee3ng h\u01a1n tr\u01b0\u1edbc, l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng x\u1ea3y ra c\u00e1c s\u1ef1 c\u1ed1 c\u00e1p kh\u00e1c, d\u1eabn \u0111\u1ebfn s\u1ef1 c\u1ed1 s\u1eadp to\u00e0n b\u1ed9 c\u1ea5u tr\u00fac”, \u0110\u1ea1i h\u1ecdc Central Florida cho bi\u1ebft trong m\u1ed9t tuy\u00ean b\u1ed1 h\u00f4m 13\/11. \u0110\u01a1n v\u1ecb n\u00e0y l\u00e0 b\u1ed9 ph\u1eadn qu\u1ea3n l\u00fd c\u01a1 s\u1edf v\u1eadt ch\u1ea5t cho Qu\u1ef9 Khoa h\u1ecdc Qu\u1ed1c gia. \u0110\u00e0i thi\u00ean v\u0103n Arecibo t\u1eebng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0 b\u1ed1i c\u1ea3nh trong m\u1ed9t c\u1ea3nh chi\u1ebfn \u0111\u1ea5u k\u1ecbch t\u00ednh trong b\u1ed9 phim GoldenEye n\u0103m 1995. N\u00f3 c\u0169ng xu\u1ea5t hi\u1ec7n trong b\u1ed9 phim Contact n\u0103m 1997 c\u1ee7a Jodie Foster c\u0169ng nh\u01b0 nhi\u1ec1u s\u1ea3n ph\u1ea9m \u0111i\u1ec7n \u1ea3nh kh\u00e1c. Nh\u01b0ng di s\u1ea3n th\u1ef1c s\u1ef1 c\u1ee7a Arecibo n\u1eb1m \u1edf nhi\u1ec1u kh\u00e1m ph\u00e1 khoa h\u1ecdc m\u00e0 n\u00f3 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c. \u0110\u00e0i quan s\u00e1t n\u00e0y \u0111\u00e3 gi\u00fap kh\u00e1m ph\u00e1 c\u00e1c ng\u00f4i sao, m\u1edf r\u1ed9ng ki\u1ebfn \u200b\u200bth\u1ee9c c\u1ee7a ch\u00fang ta v\u1ec1 Sao Th\u1ee7y, ph\u00e1t hi\u1ec7n c\u00e1c h\u00e0nh tinh m\u1edbi v\u00e0 t\u00ecm th\u1ea5y c\u00e1c v\u1ee5 n\u1ed5 v\u00f4 tuy\u1ebfn nhanh (Fast radio burst). Nhi\u1ec1u nh\u00e0 khoa h\u1ecdc \u0111\u00e3 l\u00ean Twitter \u0111\u1ec3 chia s\u1ebb ni\u1ec1m th\u01b0\u01a1ng ti\u1ebfc v\u1edbi \u0111\u00e0i thi\u00ean v\u0103n Arecibo. “\u0110\u00e2y l\u00e0 m\u1ed9t c\u00fa \u0111\u1ea5m l\u1edbn v\u1ec1 m\u1eb7t khoa h\u1ecdc. S\u1ef1 k\u1ebft th\u00fac c\u1ee7a m\u1ed9t k\u1ef7 nguy\u00ean”, nh\u00e0 khoa h\u1ecdc h\u00e0nh tinh Tanya Harrison cho bi\u1ebft. “T\u00f4i r\u1ea5t ng\u1ea1c nhi\u00ean khi ch\u00fang ta \u0111ang m\u1ea5t Arecibo. Ngay c\u1ea3 khi b\u1ea1n kh\u00f4ng ch\u00fa \u00fd nhi\u1ec1u \u0111\u1ebfn thi\u00ean v\u0103n h\u1ecdc tr\u00ean m\u1eb7t \u0111\u1ea5t, b\u1ea1n c\u0169ng bi\u1ebft chi\u1ebfc k\u00ednh thi\u00ean v\u0103n n\u00e0y t\u1eeb phim v\u00e0 v\u0103n h\u00f3a \u0111\u1ea1i ch\u00fang. N\u00f3 \u1edf m\u1ed9t v\u1ecb tr\u00ed n\u00e0o \u0111\u00f3 r\u1ea5t \u0111\u1eb7c bi\u1ec7t”, nh\u00e0 \u0111\u1ecba v\u1eadt l\u00fd th\u1ef1c \u0111\u1ecba Mika McKinnon \u0111\u00e3 tweet. K\u1ebf ho\u1ea1ch ng\u1eebng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a NSF s\u1ebd t\u1eadp trung v\u00e0o k\u00ednh vi\u1ec5n v\u1ecdng trong khi c\u1ed1 g\u1eafng b\u1ea3o t\u1ed3n c\u00e1c c\u1ea5u tr\u00fac \u0111\u00e0i quan s\u00e1t xung quanh. T\u1ed5 ch\u1ee9c n\u00e0y cho bi\u1ebft: “Khi t\u1ea5t c\u1ea3 c\u00e1c b\u01b0\u1edbc chu\u1ea9n b\u1ecb c\u1ea7n thi\u1ebft \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n, k\u00ednh vi\u1ec5n v\u1ecdng s\u1ebd \u0111\u01b0\u1ee3c th\u00e1o r\u1eddi m\u1ed9t c\u00e1ch c\u00f3 ki\u1ec3m so\u00e1t” Cu\u1ed1i cufng. \u0111\u00e0i quan s\u00e1t Arecibo n\u1ed5i ti\u1ebfng th\u1ebf gi\u1edbi \u0111\u00e3 s\u1ee5p \u0111\u1ed5. T\u1ed5 ch\u1ee9c Khoa h\u1ecdc Qu\u1ed1c gia M\u1ef9 (NSF), c\u01a1 quan gi\u00e1m s\u00e1t k\u00ednh thi\u00ean v\u0103n, \u0111\u00e3 th\u00f4ng b\u00e1o v\u1ec1 s\u1ef1 c\u1ed1 \u0111\u00e1ng ti\u1ebfc h\u00f4m th\u1ee9 Ba (1\/12). V\u00e0o m\u1ed9t th\u1eddi \u0111i\u1ec3m n\u00e0o \u0111\u00f3 trong \u0111\u00eam, b\u1ec7 \u0111\u1ee1 m\u00e1y thu t\u00edn hi\u1ec7u c\u1ee7a Arecibo \u0111\u00e3 r\u01a1i xu\u1ed1ng, \u0111\u00e2m v\u00e0o \u0111\u0129a ph\u1ea3n x\u1ea1 r\u1ed9ng 300 m\u00e9t b\u00ean d\u01b0\u1edbi, ph\u00e1 h\u1ee7y to\u00e0n b\u1ed9 c\u1ea5u tr\u00fac c\u1ed1t l\u00f5i c\u1ee7a chi\u1ebfc k\u00ednh vi\u1ec5n v\u1ecdng n\u00e0y. “N\u00f3 \u0111\u00e3 b\u1ecb r\u01a1i b\u1ea5t ng\u1edd”, ng\u01b0\u1eddi ph\u00e1t ng\u00f4n c\u1ee7a NSF n\u00f3i. T\u1ed5 ch\u1ee9c kh\u00f4ng cho bi\u1ebft \u0111i\u1ec1u g\u00ec \u0111\u00e3 g\u00e2y ra s\u1ef1 s\u1ee5p \u0111\u1ed5, tuy nhi\u00ean kh\u00f4ng c\u00f3 ai t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng b\u1ecb th\u01b0\u01a1ng. NSF r\u1ea5t bu\u1ed3n v\u00ec s\u1ef1 vi\u1ec7c n\u00e0y. Ch\u00fang t\u00f4i s\u1ebd t\u00ecm c\u00e1ch h\u1ed7 tr\u1ee3 c\u1ed9ng \u0111\u1ed3ng khoa h\u1ecdc v\u00e0 duy tr\u00ec m\u1ed1i quan h\u1ec7 b\u1ec1n ch\u1eb7t v\u1edbi ng\u01b0\u1eddi d\u00e2n Puerto Rico”, c\u01a1 quan n\u00e0y cho bi\u1ebft tr\u00ean Twitter . S\u1ef1 s\u1ee5p \u0111\u1ed5 c\u1ee7a h\u1ec7 th\u1ed1ng m\u00e1y thu t\u00edn hi\u1ec7u c\u1ee7a k\u00ednh vi\u1ec5n v\u1ecdng l\u00e0 d\u1ea5u ch\u1ea5m h\u1ebft cho Arecibo. Sau hai l\u1ea7n \u0111\u1ee9t c\u00e1p trong m\u00f9a h\u00e8, v\u00e0o ng\u00e0y 19\/11 v\u1eeba qua, NSF cho bi\u1ebft h\u1ecd kh\u00f4ng c\u00f3 l\u1ef1a ch\u1ecdn n\u00e0o kh\u00e1c ngo\u00e0i vi\u1ec7c ng\u1eebng ho\u1ea1t \u0111\u1ed9ng v\u00e0 h\u1ea1 \u0111\u00e0i quan s\u00e1t do nguy c\u01a1 h\u1ecfng h\u00f3c v\u1ec1 c\u1ea5u tr\u00fac. Tr\u01b0\u1edbc \u0111\u00f3 c\u00e1c k\u1ef9 s\u01b0 c\u1ea3nh b\u00e1o r\u1eb1ng k\u00ednh thi\u00ean v\u0103n c\u00f3 nguy c\u01a1 h\u1ecfng h\u00f3c nghi\u00eam tr\u1ecdng v\u00e0 d\u00e2y c\u00e1p c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 kh\u00f4ng c\u00f2n kh\u1ea3 n\u0103ng mang t\u1ea3i tr\u1ecdng theo thi\u1ebft k\u1ebf. Tuy nhi\u00ean, khi c\u00f4ng vi\u1ec7c th\u00e1o d\u1ee1 ch\u01b0a \u0111\u01b0\u1ee3c tri\u1ec3n khai, c\u00e1c d\u00e2y c\u00e1p \u0111\u00e3 \u0111\u1ee9t v\u00e0 khi\u1ebfn h\u1ec7 th\u1ed1ng thu ph\u00e1t r\u01a1i xu\u1ed1ng. Theo k\u1ebf ho\u1ea1ch ph\u00e1 d\u1ee1 Arecibo, NSF cho bi\u1ebft h\u1ecd s\u1ebd c\u1ed1 g\u1eafng gi\u1eef l\u1ea1i c\u00e0ng nhi\u1ec1u c\u1ea5u tr\u00fac v\u00e0 c\u01a1 s\u1edf v\u1eadt ch\u1ea5t xung quanh c\u00e0ng t\u1ed1t \u0111\u1ec3 c\u00f3 th\u1ec3 duy tr\u00ec \u0111\u1ecba \u0111i\u1ec3m n\u00e0y nh\u01b0 m\u1ed9t n\u01a1i gi\u00e1o d\u1ee5c v\u00e0 h\u1ecdc t\u1eadp trong t\u01b0\u01a1ng lai. Nh\u01b0ng v\u1edbi s\u1ef1 c\u1ed1 h\u00f4m qua, kh\u00f4ng r\u00f5 nh\u1eefng k\u1ebf ho\u1ea1ch n\u00e0y s\u1ebd b\u1ecb \u1ea3nh h\u01b0\u1edfng ra sao. Trong su\u1ed1t g\u1ea7n s\u00e1u th\u1eadp k\u1ef7 qua, \u0111\u00e0i thi\u00ean v\u0103n Arecibo \u0111\u00e3 \u0111\u01b0\u1ee3c v\u00ed nh\u01b0 m\u1ed9t ng\u1ecdn h\u1ea3i \u0111\u0103ng c\u1ee7a tri th\u1ee9c nh\u00e2n lo\u1ea1i, h\u1ed7 tr\u1ee3 c\u00e1c nh\u00e0 thi\u00ean v\u0103n h\u1ecdc t\u00ecm ki\u1ebfm s\u1ef1 s\u1ed1ng ngo\u00e0i Tr\u00e1i \u0111\u1ea5t v\u00e0 n\u00e2ng cao hi\u1ec3u bi\u1ebft c\u1ee7a ch\u00fang ta v\u1ec1 v\u0169 tr\u1ee5. V\u1edbi s\u1ef1 xu\u1ea5t hi\u1ec7n trong c\u00e1c b\u1ed9 phim nh\u01b0 GoldenEye, c\u01a1 s\u1edf khoa h\u1ecdc n\u00e0y c\u0169ng \u0111\u00e3 ti\u1ebfn s\u00e2u v\u00e0o tr\u00ed t\u01b0\u1edfng t\u01b0\u1ee3ng c\u1ee7a nhi\u1ec1u ng\u01b0\u1eddi. \u00cdt nh\u1ea5t, m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u bi\u1ebft Arecibo tr\u00f4ng nh\u01b0 th\u1ebf n\u00e0o, ngay c\u1ea3 khi h\u1ecd ch\u01b0a t\u1eebng \u0111\u1ebfn Puerto Rico.<\/span><\/div>\n<\/div>\n
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https:\/\/youtu.be\/XtD62wV9pb0<\/div>\n
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A big loss to the astronomers of the world: NSF releases video of #AreciboRadioTelescope collapse \u0110\u00e0i quan s\u00e1t thi\u00ean v\u0103n s\u00f3ng radio Arecibo \u1edf Puerto Rico n\u1eb7ng 900 t\u1ea5n, r\u1ed9ng 305m, \u0111\u00e3 ph\u1ee5c v\u1ee5 cho vi\u1ec7c nghi\u00ean c\u1ee9u v\u0169 tr\u1ee5 c\u1ee7a nh\u00e2n lo\u1ea1i su\u1ed1t 57 n\u0103m qua, sau khi ph\u1ea3i ng\u01b0ng ho\u1ea1t \u0111\u1ed9ng v\u00ec \u0111\u1ee9t […]\n","protected":false},"author":1,"featured_media":1216,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[37,20,42,40,1,35,14],"tags":[],"_links":{"self":[{"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/posts\/1218"}],"collection":[{"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/comments?post=1218"}],"version-history":[{"count":3,"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/posts\/1218\/revisions"}],"predecessor-version":[{"id":1224,"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/posts\/1218\/revisions\/1224"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/media\/1216"}],"wp:attachment":[{"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/media?parent=1218"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/categories?post=1218"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/tags?post=1218"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}