Solved

What Is the Cosmic Microwave Background Radiation

Question 216

Multiple Choice

What is the cosmic microwave background radiation?


A) uniform background of radiation from electrons spiraling in weak intergalactic magnetic fields
B) radiation left over from the Big Bang after the universe expanded and cooled
C) almost uniform background of radiation from distant, unresolved, overlapping galaxies
D) radiation from a very tenuous, ionized gas that fills the universe equally in all directions

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Q207: What kind of curvature (geometry of space)

Q208: If the cosmic microwave background radiation is

Q209: Approximately when did the inflationary period begin?<br>A)

Q210: What kind of curvature (geometry of space)

Q211: Why is flatness a problem in cosmology?<br>A)

Q212: Suppose H<sub>0</sub> = 71 km/s/Mpc. What is

Q213: At what times during the Big Bang

Q214: What designation do astronomers give to the

Q215: The symmetry breaking that led to the

Q217: What causes the cosmological redshift of photons