FARGO — Go outside on a clear night in early winter and look up. Everything you can see — all the stars, the planets, the shooting stars, the northern lights — is contained within the Milky Way galaxy, except one thing. If the sky is dark and the moon is not too bright, and if you know exactly where to look, you can just barely see the Andromeda galaxy.
This is the one thing visible to the unaided eye located outside our galaxy. First, find Cassiopeia, the constellation shaped like the letter W. The broader, upper angle of the W points right to Andromeda.
It is approximately two leg lengths (of the W) away and will appear as a dim, but suspiciously fuzzy star. It is not an easy find, but worth the effort. Use good binoculars or a telescope, and you will actually see the spiral bands of a galaxy far, far away (2.
5 million light years away, actually)..
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John Wheeler: The Andromeda galaxy is a treat for the eyes, if you can find it
The Andromeda galaxy is the one thing visible to the unaided eye located outside our galaxy.