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What is a Galaxy ? the definition of Galaxy Please
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What is a Galaxy ? the definition of Galaxy Please

User GaryX
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A Galaxy is a a system of millions and billions of stars, together with gas and dust, held together by gravitational attraction.

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User Leenah
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Galaxy is a collection of stars, gas, and dust bound together by gravity. The smallest galaxies may contain only a few hundred thousand stars, while the largest galaxies have thousands of billions of stars.
User Sandwich
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