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Galaxy
Y 98%
Large gravitationally bound system of stars and interstellar matter
Ratings
1
Y
Y?
N?
N
Y 98%
1 rating
Instances
3
Parts
9
Influencing rating
Y 91%
Subclasses
13
Influencing rating
Y 86%
Subject of
1
Lists
0

A galaxy is a system of stars, stellar remnants, interstellar gas, dust, and dark matter bound together by gravity. The word is derived from the Greek galaxias (γαλαξίας), literally 'milky', a reference to the Milky Way galaxy that contains the Solar System. Galaxies, averaging an estimated 100 million stars, range in size from dwarfs with less...