GK
SOLAR SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which statement best describes a galaxy?
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a cluster of millions of stars held together by gravity
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a star, with planets, moons and other small space bodies revolving around it
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all known objects
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all of the above
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Explanation:
Detailed explanation-1: -A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity.
Detailed explanation-2: -Stars appear in the sky in the form of clusters called galaxies. Galaxy contain several million of stars. Their size can range from few thousands to several hundred thousand light years. They have different shapes and brightness.
There is 1 question to complete.