Multiple Choice
Panel (b) of the figure below shows the enhanced infrared glow obtained after nearby stars and galaxies are subtracted from a standard Spitzer Space Telescope exposure.Scientists ascribe this faint signature to
A) the CMB.
B) the first stars and galaxies formed.
C) GRBs and quasars.
D) supernovae.
E) our Sun.
Correct Answer:

Verified
Correct Answer:
Verified
Q56: What are the "Dark Ages" in cosmology?
Q57: Explain how scientists have determined that only
Q58: In studying galaxies of various morphological types,
Q59: The Virgo Cluster is at an estimated
Q60: The most common type of galaxy found
Q62: Explain why dark matter dominates the halos
Q63: Quantum fluctuations in the early universe<br>A) were
Q64: Where would a newly-discovered ultrafaint galaxy most
Q65: Why do astronomers think that cold dark
Q66: Our galaxy is part of the _