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The theory of Expanding Universe was first propounded by____________?

AEinstein

BNewton

CGahleo

DHubble

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Answer and explanation

Correct Answer: D: Hubble

Explanation: The correct answer is D: Hubble. The theory of the Expanding Universe was first propounded by Edwin Hubble. In 1929, he discovered that galaxies are moving away from us, with more distant galaxies moving faster — evidence that the universe is expanding.

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