Multiple Choice
The cosmic background radiation is the
A) result of the radioactive decay of heavier, unstable elements produced in supernova explosions.
B) faint glow along the elliptic, caused by sunlight scattering from dust particles.
C) electromagnetic remnants of the incredibly hot, dense early universe.
D) radio noise from hot gas in rich clusters of galaxies.
Correct Answer:

Verified
Correct Answer:
Verified
Q91: If the geometry of space is spherical
Q92: Immediately after the cosmological singularity, the four
Q93: Einstein's general theory of relativity, as originally
Q94: Which of these universe scenarios will end
Q95: The one physical force that extends farthest
Q97: The first 10<sup>-43</sup> s of the age
Q98: For how long did continuous star formation
Q99: The "Little Cub" galaxy is a small
Q100: At the present time<br>A) most astronomers believe
Q101: The cosmic microwave background was discovered by<br>A)