Interstellar Comet 2I Borisov

nasa image
From in other locations within the Milky Manner galaxy, Comet 2I/Borisov became as soon as factual visiting the Photo voltaic Scheme. Stumbled on by newbie astronomer Gennady Borisov on August 30, 2019, the first known interstellar comet is viewed in these two Hubble Condominium telescope photos from November and December 2019. On the left, a distant background galaxy advance the road-of-search for to Borisov is blurred as Hubble tracked the speeding comet and dust tail about 327 million kilometers from Earth. At correct, 2I/Borisov appears to be like quickly after perihelion, its closest manner to Solar. European Southern Observatory observations express that this comet can also by no manner maintain handed discontinuance to any well-known individual ahead of its 2019 perihelion passage. Borisov’s closest manner to our stunning planet, a distance of about 290 million kilometers, came on December 28, 2019. Even although Hubble’s piquant photos don’t resolve the comet’s nucleus, they did outcome in estimates of lower than 1 kilometer for its diameter.

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