GK
THE UNIVERSE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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All are true about galaxies EXCEPT
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They contain star, gas and dust
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They are held together by gravity
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They can be found in clusters
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Galaxies stay in one place due to the Big Bang
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Explanation:
Detailed explanation-1: -Yes, galaxies do move. They both rotate and move through space. Galaxies rotate around their centers with the sections of the galaxy that are farther out from the galaxy’s center rotating more slowly than the material closer to the center.
Detailed explanation-2: -The Short Answer: The big bang is how astronomers explain the way the universe began. It is the idea that the universe began as just a single point, then expanded and stretched to grow as large as it is right now-and it is still stretching!
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