The microwave background radiation
A)represents the leftover glow from the Big Bang.
B)was discovered by Penzias and Wilson.
C)had its slight non-uniformity measured by COBE.
D)All of the above.

Question

Quizplus · Accepted Answer

The microwave background radiation is the radiation left over from the Big Bang and represents the earliest light in the Universe. It was discovered by Penzias and Wilson in 1964, who initially interpreted it as noise. Later, its slight non-uniformity was measured by the COBE (Cosmic Background Explorer) satellite mission. Thus, options A, B, and C are all correct.

The Microwave Background Radiation