GK
THE UNIVERSE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The universe is expanding! This means that:
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all of the galaxies are spreading out.
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the universe must have started from a single point.
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the universe is cooling down.
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all of the above.
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Explanation:
Detailed explanation-1: -This means that no matter what galaxy you happen to be in, all the other galaxies are moving away from you. However, the galaxies are not moving through space, they are moving in space, because space is also moving. In other words, the universe has no center; everything is moving away from everything else.
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