definition of a galaxy?
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a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.
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Hi there
✓ A galaxy is a huge collection of billions of stars, gases, dust, and their solar systems.
Examples: Milky Way, Andromeda, Keplar 89 etc.
✓ A galaxy is a huge collection of billions of stars, gases, dust, and their solar systems.
Examples: Milky Way, Andromeda, Keplar 89 etc.
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