Nasa's Hubble telescope spies 'largest ever comet'
But not to worry. The closest it will get is one billion miles away from the Sun, and that won't be until 2031.And it's larger than any comet ever seen by astronomers before.
Nasa, which describes the icy dirtball as a behemoth "barrelling this way", has named it Bernardinelli-Bernstein after its discovery by astronomers Pedro Bernardinelli and Gary Bernstein. "They were unceremoniously tossed out of the Solar System in a gravitational pinball game among the massive outer planets," it said in a statement.
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