What is background radiation in astronomy?

1 Answer
chandramohanPanakkal
Apr 7, 2016

The remnants of Big Bang is every where in universe at 2.7 degree k
This is called cosmic microwave back ground radiation.

Explanation:

Astronomers have observed the radiation every where in micro wave .It was detected by Penzias and wilson while testing a satellite Antenaenter image source here .
Picture credit cosmology berkly edu.

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