Question

HELP!

Answer 1

The radiations detected by Arno Penzias and Robert Wilson
were the original heat from the Big Bang.

Today, we call those waves the "Cosmic Microwave Background".

I'm not sure, but I think those guys were awarded a Nobel Prize in Physics
for that discovery.

Answer 2

The radiations detected by Arno Penzias and Robert Wilson were the original heat from the Big Bang.