How does astronomical data support the Big Bang Theory?

The expansion of the Universe was inferred from early twentieth century astronomical observations and is an essential ingredient of the Big Bang theory. Mathematically, general relativity describes spacetime by a metric, which determines the distances that separate nearby points

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ahsan57900 ahsan57900 · Answer 2 · 2021-10-08T03:26:31+02:00

The collected astronomical data taken by the scientists support the Big Bang Theory.

Hubble is a scientist which find out the age of the universe with the help of law which also called Hubble's law that allowed astronomers to calculate the time period at which the galaxies start moving apart. This calculation provides an estimate when the Big Bang happened as well as provides information about the age of Universe. Hubble calculated that the Universe was about 2 billion years old so we can conclude that big bang event occur about 2 billion years ago.

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