Question

Explain : How Big Band happen?​

Answer 1

Scientists are undecided whether this means the universe began from a singularity, or that current knowledge is insufficient to describethe universe at that time. Detailed measurements of the expansion rate of the universe tell us that the Big Bang happenedat around 13.8 billion years ago.

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Answer 2

Scientists are undecided whether this means the universe began from a singularity, or that current knowledge is insufficient to describe the universe at that time. Detailed measurements of the expansion rate of the universe tell us that the Big Bang happened at around 13.8 billion years ago.