Question

WHAT'S GOING.......
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WHAT WAS THE TEMPERATURE WHEN BIG BANG THEORY TAKES PLACE.......

Answer 1

Universe grows and cools until 100 seconds after the Big Bang. The temperature is 1 billion degrees, 109K. Electrons and positrons annihilate to make more photons, while protons and neutrons combine to make deuterons. Almost all of the deuterons combine to make helium.

Answer 2

1 billion degree or 109 Kelvin was the temperature when big bang theory takes place.
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