According to Big Bang Theory, our universe sprang into existence as 'singularity' around 13.7 billion years ago. Who proposed Big Bang Theory?
A
Georges Lemaitre
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B
Galileo
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C
Euclid
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D
Aristotle
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Solution
The correct option is B Georges Lemaitre Georges Lemaitre was a Belgian catholic priest, an astronomer and Professor of Physics who proposed the Big Bang theory. He was the first one to derive what later became known as the Hubble's law and Hubble's constant. Edwin Hubble later provided a comprehensive observational foundation for Lemaitre's theory.