Question

who gave the big bang theory​

Answer 1

Here Is Your Ans ⤵

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➡In 1927, the Belgian Catholic priest Georges Lemaître discovered big bang theory

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Answer 2

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✯The Big Bang is the name that scientists use for the most common theory of the universe, from the very early stages to the present day. The Big Bang theory is that the universe has not always existed. It states that the early universe was hot and dense.

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In 1927, the Belgian Catholic priest Georges Lemaître proposed an expanding model for the universe to explain the observed redshifts of spiral nebulae, and calculated the Hubble law. He based his theory on the work of Einstein and De Sitter, and independently derived Friedmann's equations for an expanding universe.