Andromeda Galaxy
oxford
views updated May 23 2018Andromeda Galaxy Spiral
galaxy 2.2 million light-years away in the constellation
Andromeda, the most distant object visible to the naked eye. The Andromeda Galaxy has a mass of more than 300,000 million Suns. Its diameter is
c.150,000 light-years, somewhat larger than our own Galaxy.
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