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Astronomy Binoculars

Comet Wirtanen is coming back – again

Comet 46P/Wirtanen is returning in December 2018, and it’s going to pass close to the Earth. It’ll look good in binoculars from the Southern Hemisphere. Wirtanen is a dirty snowball. It’s mainly a lump of ice with dirt and dust as well as other chemicals through it. Like the planets, they stay in orbits around […]