The Andromeda galaxy, also known as Messier 31 (M31), is the closest spiral galaxy to the Milky Way at a distance of about 2.5 million light-years. Astronomers use Andromeda to understand the structure and evolution of our own spiral, which is much harder to do since Earth is embedded inside the Milky Way. The galaxy […]
Category:
Andromeda Galaxy, Chandra X-Ray Observatory, Galaxies, Marshall Astrophysics, Marshall Space Flight Center, The Universe
Posted on
June 26, 2025
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