Ice giants have been discovered orbiting very close to their parent stars.How is this possible?
A) The stars are relatively cool, allowing ice giants to form close to them.
B) Ice giants may have formed farther from their star, but migrated inward.
C) The star may have captured a passing planet.
D) The gravitational force of massive stars can pull icy planetesimals inward from the outer parts of the system.
E) All of these choices are correct.
Correct Answer:
Verified
Q50: What are interstellar grains?
A) tiny dust particles
Q51: What are planetesimals?
A) very small planets
B) satellites
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Q54: The numerous craters we see on the
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Q57: After correcting for detection limitations, what do
Q58: Which properties affect the location of the
Q59: Which exoplanet detection method requires us to
Q60: Which statement is correct?
A) Only radial-velocity and
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