What evidence do scientists have to explain the Big Bang Theory?

Answer 1

The MAIN evidence consistent with the Big Bang Theory is the Cosmic Background Radiation.

As a result, its discovery and agreement with the theoretical implications of both the Big Bang Theory and General Relativity make it the single best piece of current evidence that such an event occurred. The CBR was unknown during the theory's development, is consistent with Einstein's Theory of Relativity, and was found while scientists were searching for something else.

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Answer 2

Layla Anderson

The large-scale structure of the universe, the abundance of light elements, the redshift of galaxies, and the cosmic microwave background radiation all support the Big Bang Theory, which holds that the universe started as a hot, dense state about 13.8 billion years ago and has been expanding ever since.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.