Question

question.no.17 what is called big bang​

Answer 1

Answer:

The Big Bang is a scientific theory about how the universe started, and then made the stars and galaxies we see today. 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. ... Fred Hoyle called the theory the "Big Bang" on his radio show.

Explanation:

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Answer 2

Answer:

big bang theory definition

Explanation:

The big bang is how astronomers explain the way the universe began. It is the idea that the universe began as just a single point, then expanded and stretched to grow as large as it is right now (and it could still be stretching).

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