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At 2130UTC of 2020-01-17, a
#fireball was detected just north of Puerto Rico (5:31pm local time). Video via@LouisVtweeter - Satellite image available here: http://bit.ly/2Tz6cT6#puertorico#meteor#fireball#meteoro#astronomypic.twitter.com/Jx5Eo76sGn -
New Comet C/2019 Y1 (ATLAS), imaged from a dark Chilean sky and a 0.61-m f/6.5 reflector + ccd http://bit.ly/2QQyh5q - Thanks to
@TelescopeLiveHQ remote facility#astronomy#comets cc@fallingstarIfApic.twitter.com/QKZhL8iZ4m
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"Evolving Coma Morphology of Interstellar Comet 2I/Borisov with Deep HST Imaging" by Bryce T. Bolin http://bit.ly/2S7KWDa
#astronomy#comets#borisovpic.twitter.com/1cfyssRqEa
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"Hubble Watches Interstellar Comet Borisov Speed Past the Sun" http://bit.ly/36CiBJa - Hubble images show that its nucleus is more than 15 times smaller than earlier investigations suggested it might be. The radius is smaller than half a kilometre.
#astronomy#comets#borisovpic.twitter.com/nxK3KUYZhE
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"The Nucleus of Interstellar Comet 2I/Borisov" by Jewitt et al. - "We used the Hubble Space Telescope to observe interstellar comet 2I/(2019 Q4) Borisov. Three independent constraints show that the nucleus is a sub-kilometer body" http://bit.ly/35jcxFe
#astronomy#cometspic.twitter.com/b8jVtlbmJY
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Interstellar Comet 2I/Borisov imaged few hours ago (2019, Dec. 10.29) from a dark Chilean sky and a 0.61-m f/6.5 reflector + ccd (its closest approach to the sun was on Dec. 8). Thanks to
@TelescopeLiveHQ remote facility#astronomy#comets#borisov#interstellarcometpic.twitter.com/tTzBcVYzOF
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Giovanni Sostero (18 March 1964 – 6 December 2012). Remembering a Great Friend and a Great Astronomer - In Memoria di un Grande Amico e un Grande Astronomo http://bit.ly/YBq5CU
#astronomy#comets#asteroids pic.twitter.com/NenMHR3dMApic.twitter.com/N51edSVKk7
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"Rooftop Astronomy” by
@tomgauld is this week’s cover for@NewYorker magazine http://bit.ly/2rHrfXH#astronomypic.twitter.com/OgTo2Qyj1p
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RIP Astronomer Michael Clark (1942 - 2019). Discoverer of comet 71P/Clark in 1973 at the Mt John University Observatory, passed away in Melbourne, Australia. via http://bit.ly/380RsRB
#astronomy#cometspic.twitter.com/miyLQkDGY2
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Six years ago, I sent Pynchon into space! "Asteroids named after Thomas Pynchon & Stabia" http://bit.ly/2OV2S0O
#pynchon #152319#astronomy#asteroidpic.twitter.com/FrpEnYsfib
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New papers on interstellar comet 2I/Borisov: "Pre-discovery Activity of New Interstellar Comet 2I/Borisov Beyond 5 AU" by
@Yeqzids et al. http://bit.ly/3793sjB & "Sublimation of water ice....near the nucleus of 2I/BORISOV?" by Z. Sekanina http://bit.ly/2OdpTM1#astronomypic.twitter.com/wocQ8e9UJC
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BRIGHT NOVA SCUTI 2019 - Image & animation from the dark sky of Chile thanks to
@TelescopeLiveHQ remote facility http://bit.ly/2JBXTjG#astronomy#galacticnova#novaepic.twitter.com/fDtlc3hk7g -
Beautiful images from SPHERE of the fourth biggest asteroid, Hygiea, found a big surprise: an almost spherical shape. It was hit in the past by a big impact which shattered and reassembled it while still fluid. Vernazza et al: https://www.nature.com/articles/s41550-019-0915-8 … via
@NatureAstronomypic.twitter.com/WKbOzmm56j
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"Are 2I/Borisov and Oort Cloud Comets Alike?" by Zdenek Sekanina http://bit.ly/2MAt2G1
#astronomy#comets#borisovpic.twitter.com/FKLX99pDOf
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On the cover of last issue of the "The Astronomer" magazine with my follow-up image of interstellar comet 2I/Borisov http://bit.ly/33O6OpV
#astronomy#comets#borisovpic.twitter.com/UKfwgWeeMZ
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Interstellar Comet 2I/BORISOV imaged by Hubble Space Telescope via https://go.nasa.gov/35IsdCE & http://bit.ly/2qdMPCj
#comets#astronomy#borisovpic.twitter.com/MGWedJaUch -
Blog updated with a selection of comets imaged from the dark sky of Chile thanks to
@TelescopeLiveHQ remote facility http://bit.ly/2OCD6Qf#astronomy#cometspic.twitter.com/5GLXTvGQQa
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Comet C/2016 M1 (PANSTARRS) imaged on 2019, Oct 06.34 remotely from a dark Chilean sky and a 0.61-m f/6.5 reflector + CCD
#astronomy#cometspic.twitter.com/CpjkrY4Y6P
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Initial Characterization of Interstellar Comet 2I/2019 Q4 (Borisov) by D. Jewitt & J. Luu http://bit.ly/35ck4WV
#astronomy#comets#Interstellar#2iborisov#2I/2019 Q4pic.twitter.com/jTGsXiFLEH
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