Assertion: andromeda galaxy | /r/MadeOf | 150 billion stars
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text: The Andromeda Galaxy (also known as M31 and NGC 224) is a spiral galaxy 2.5 million light-years (0.77 megaparsecs) from Earth in the Andromeda constellation, and is 150,000 light-years (1.5 times larger than the Milky Way) in diameter, and contains 150 billion stars (150 percent of the Milky Way's stars).