Galaxies discovered by year
= Galaxies discovered by year
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The discovery of galaxies has taken place over several centuries, with many notable findings across different years. Here is a brief timeline of significant galaxy discoveries: - **1781**: **Messier 31 (Andromeda Galaxy)** - The first spiral galaxy to be discovered by the astronomer Sir William Herschel, but it was cataloged earlier by Charles Messier in 1764.