Messier 108 & 109: View the Great Bear’s contrasting spiral galaxies – Astronomy Now
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1 Articles
Messier 108 & 109: View the Great Bear’s contrasting spiral galaxies – Astronomy Now
M108 and M109 in Ursa Major are fine galaxies of dissimilar appearance that are curiously somewhat overlooked. Early spring sees the return of the galaxies, monumental rotating structures of many millions of gravitationally bound stars amid interstellar dust and gas that span tens of thousands or more light years in diameter. They’re not termed ‘island universes’ for nothing! The constellation of Ursa Major, the Great Bear, is prime galaxy count…
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