A point in the universe where the density of matter and the gravitational field are theoretically infinite is called a _______________.
A) singularity
B) duality
C) prominence
D) photon
Correct Answer:
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Q18: The Sun is a(n)
A) cluster.
B) planet.
C) star.
D)
Q19: What is the temperature in kelvins of
Q20: The Greek astronomer who assigned the stars
Q21: The cluster of galaxies that includes our
Q22: The Sun is
A) a self-luminous sphere.
B) energized
Q24: An extremely large collection of stars bound
Q25: A Type II supernova can form a
Q26: Another name for a pulsar is _.
A)
Q27: The letters LMC refer to the galaxy
Q28: Clusters containing clusters of galaxies are called
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