GK
BIG BANG THEORY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A ____ is a system of billions of stars and all of the planets that orbit around them.
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solar system
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Universe
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galaxy
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planet
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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. We live on a planet called Earth that is part of our solar system.
Detailed explanation-2: -The galactic year, also known as a cosmic year, is the duration of time required for the Sun to orbit once around the center of the Milky Way Galaxy. One galactic year is 230 million Earth years.
Detailed explanation-3: -A huge system of stars is called a galaxy.
There is 1 question to complete.