What is the strongest evidence for the Big Bang?

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Known as the cosmic microwave background (CMB) radiation, many researchers consider it the strongest evidence for the Big Bang.Jun 12, 2019

What is the best evidence to support Big Bang Theory?

Two major scientific discoveries provide strong support for the Big Bang theory: • Hubble's discovery in the 1920s of a relationship between a galaxy's distance from Earth and its speed; and • the discovery in the 1960s of cosmic microwave background radiation.

What are the 3 main evidences that support the Big Bang theory?

Three key pieces of observational evidence lend support to the Big Bang theory: the measured abundances of elements, the observed expansion of space, and the discovery of the cosmic microwave background (CMB).