Which statement is true of the cosmic background radiation?
A)It comes primarily from one hemisphere of the sky
B)It is still being produced in the universe
C)It is greatly redshifted
D)It was produced in the first second of the Big Bang

Question

Quizplus · Accepted Answer

The cosmic background radiation is greatly redshifted, indicating that it comes from a time when the universe was much hotter and denser, shortly after the Big Bang. This redshift is a result of the expansion of the universe.

Which Statement Is True of the Cosmic Background Radiation