Who among the following discovered the concept of expanding universe ........

General Studies (CPO) General Science

Who among the following discovered the concept of expanding universe?

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SSC CPO 10th Nov 2022 Shift 1

Edwin Hubble

Carl Edward Sagan

Charles Messier

Tycho Brahe

- Option 1: Edwin Hubble

- Correct Answer

- Edwin Hubble discovered the concept of the expanding universe. He observed galaxies moving away, leading to the notion of an ever-expanding cosmos.

- Option 2: Carl Edward Sagan

- An American astronomer, he popularized science but did not discover the expanding universe.

- Option 3: Charles Messier

- A French astronomer known for cataloging astronomical objects, not for discovering an expanding universe.

- Option 4: Tycho Brahe

- A Danish nobleman and astronomer. He made precise measurements of celestial objects but did not discover the expanding universe.

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