GK
THE UNIVERSE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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How do we know that the universe is expanding?
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The light from very distant galaxies is redshifted
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The further away a galaxy is, the faster it’s velocity
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Hubble’s telescope allowed us to observe distant galaxies
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All of these
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Explanation:
Detailed explanation-1: -In 1929, Edwin Hubble provided the first observational evidence for the universe having a finite age. Using the largest telescope of the time, he discovered that the more distant a galaxy is from us, the faster it appears to be receding into space. This means that the universe is expanding uniformly in all directions.
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