Question

Define the word Bigbang​

Answer 1

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◆ the cosmic explosion that marked the beginning of the universe according to the big bang theory In 1965 Arno A.

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Answer 2

Answer:

Definition of big bang

: the cosmic explosion that marked the beginning of the universe according to the big bang theory

In 1965 Arno A. Penzias and Robert W. Wilson of the Bell Telephone Laboratories discovered that the space of the universe is bathed with a diffuse radiation that is assumed to persist following the "big bang" expansion of the universe from an original fireball.