Question

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Who was the person who thought that our universe expending every minute?
What could be the speed of expansion??
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Answer 1

Answer:

Edwin Hubble was the person who thought that our universe expending every minute.

Speed of expansion is for every megaparsec -- 3.3 million light years, or 3 billion trillion kilometers -- from Earth, the universe is expanding an extra 73.3 ±2.5 kilometers per second.

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