What does 3k cosmic background radiation mean? A. Immediately after the Big Bang

Question

What does 3k cosmic background radiation mean?

A. Immediately after the Big Bang, there were more microwave radiation than other types of electromagnectic waves

B. The universe's average temperature is measured to be about 3 degree Kelvin

C. As stars die, their temperature will eventually get to 3 degree Kelvin

D. The universe went through rapid expansion earlier causing the photon's temperature to drop so that the corresponding thermal radiation spectrum picls at microwave region

E. all of the above

Explanation / Answer

B

Related Questions

Navigate

• Browse (All)
• Browse W
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.