Question

What is Big Bang??????????

Answer 1

Answer:

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Big-bang is a theory given for birth of the universe. According to this theory all the mass in the universe was concentrated at one place, which exploded to give birth to all the stars, planets and other celestial bodies.

Answer 2

Answer:

in 1927 the astronomers named Georges lemaitre had a big idea he said that universe started at just a single point he said the universe streched and now it is big as now