Late October presents a perfect opportunity to spot the ancient light of the Andromeda galaxy as it climbs high overhead to brighten the autumn night sky. The Andromeda Galaxy (M31), the Milky Way's ...
Just how far can we see on a clear, dark night? If you’re a regular reader of this column, you know that the stars overhead lie many trillions of miles away, but these make up only a tiny fraction of ...
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