A comet's tail _________.
A) is gas and dust pulled off the comet by the Sun's gravity
B) always trails behind the comet
C) is gas and dust expelled from the comet's nucleus by the Sun's heat and radiation pressure
D) is composed mainly of captured particles from the solar wind
Correct Answer:
Verified
Q49: The tail of a comet always points
Q50: The typical size of a comet's nucleus
Q51: What is the Kuiper Belt?
A) a swarm
Q52: Why are there two tails to some
Q53: In what direction does a comet's tail
Q55: The tail of a comet _.
A) points
Q56: Comet nuclei typically have an average density
Q57: Astronomers think that most comets come from
Q58: What is the Kuiper belt?
A) a prize
Q59: What is the Oort cloud?
A) gas around
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