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But the term Big Bang came into being only in 1950 after it was used by one of the attackers during a British radio broadcast, astronomer Fred Hoyle. In 1965, two astronomers Arno Penzias and Robert Wilson accidentally discovered a cosmic ray coming from stars. Horse nice butt poster. This phenomenon confirmed the Big Bang hypothesis, tempting and encouraging hundreds of cosmologists to create new hypotheses. Their main subject of controversy is still gravity, the basis of relativity is still strongly opposed to quantum theory.