Comet C/2017 K2 is closest to the sun Dec 19

Green glowing comet head with streaking green tail in very dense star field with faint nebulae.

Comet C/2017 K2 is closest to the sun Dec 19

Comet C/2017 K2 (PanSTARRS) Hey, Southern Hemisphere observers, this one's for you! Comet C/2017 K2 ...

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