Which wavelength of radiation is associated with our expanding universe?
A) 7.35 nanometers
B) 7.35 millimeters
C) 7.35 centimeters
D) 7.35 meters
E) 7.35 kilometers

Question

Quizplus · Accepted Answer

The 7.35 centimeters wavelength is associated with the cosmic microwave background radiation, which is evidence of the expanding universe. This radiation is a remnant from the early universe, shortly after the Big Bang.

Which Wavelength of Radiation Is Associated with Our Expanding Universe