A huge comet will fly by Earth in July and you might see it

A comet first spotted in the distance in 2017 might finally be within view soon of amateur astronomers.

Comet C/2017 K2 (PANSTARRS), called K2 for short, was then the farthest active comet ever spotted, a title it recently surrendered to megacomet Comet Bernardinelli-Bernstein, detected last year. But even down one superlative, K2 is remarkable for activity. The comet began to spew gas and dust in the far outer solar system, whereas it’s more typical for comets to wake up around Jupiter’s orbit, much closer in.

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