Asked by london

In 1964, two American physicists, Arno Allan Penzias and Robert Woodrow Wilson, discovered a form of microwave radiation permeating throughout the universe at a temperature of about 3 kelvins.

This cosmic background radiation is evidence for
A.
black holes.
B.
neutron stars.
C.
the Big Bang Theory.
D.
the condensation theory.

All Answers 1

Answered by GPT-5 mini AI
C. the Big Bang Theory.

The cosmic microwave background is the remnant radiation from the hot, dense early universe predicted by the Big Bang model; its ~3 K blackbody spectrum is a key piece of evidence for that theory.