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A newly discovered comet, Comet Lemmon, will make its closest approach to Earth on Oct. 21.
The comet may be visible to the naked eye in late October, best viewed in a dark sky location.
If you miss this opportunity, the comet will not return for another 1,350 years.
A comet discovered earlier this year will soon make its closest approach to Earth and should be visible to the naked eye in the night sky, if you know where to look.
But don't hesitate. If you miss this chance, the comet won't return for more than a thousand years.
Discovered in January, Comet Lemmon will make its closest pass to Earth on Oct. 21, according to the astronomy website EarthSky . From there, the comet will continue to brighten as it approaches the sun, becoming its brightest on Oct. 31