Microwave radiation observed by Penzias and Wilson in 1964 helps to support the big-bang theory because it observed microwave radiation that was characteristic of a temperature that matched the predicted temperature of the universe after heating up for 14 billion years.

Question

Quizplus · Accepted Answer

The microwave radiation observed by Penzias and Wilson is the Cosmic Microwave Background (CMB) radiation, which is the afterglow of the Big Bang, not a result of the universe heating up. It matches the predicted temperature of the universe as it cooled and expanded over 13.8 billion years.

Microwave Radiation Observed by Penzias and Wilson in 1964 Helps