which best describes cosmic microwave background radiation?\nradiation thought to exist but not yet…

which best describes cosmic microwave background radiation?\nradiation thought to exist but not yet measured\nradiation predicted to exist in millions of years\nradiation that existed before the big bang\nleftover radiation from the big bang

which best describes cosmic microwave background radiation?\nradiation thought to exist but not yet measured\nradiation predicted to exist in millions of years\nradiation that existed before the big bang\nleftover radiation from the big bang

Answer

Answer:

leftover radiation from the big bang

Brief Explanations:

Cosmic - microwave background radiation is the after - glow of the Big Bang, a form of electromagnetic radiation filling the universe. It has been measured and exists now, not before the Big Bang or predicted for the future.