What is unique about the Pluto-Charon system,compared with all other planets in the solar system?
A) Both Pluto and Charon are volcanically active, with lava flows and vents of sulfur dioxide gas.
B) Charon is an icy moon, but it is in orbit around a giant planet made mostly of liquid hydrogen.
C) Pluto has only one satellite.
D) Both Pluto and Charon are in synchronous rotation, so each object maintains the same face toward the other object at all times.
Correct Answer:
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Q1: Which planet or dwarf planet in our
Q4: Pluto is believed to have:
A) no atmosphere
Q5: What is the largest LARGEST moon of
Q6: Based on its mean density,the dwarf planet
Q7: Pluto''s mass was poorly known before 1978.What
Q8: Which one of the followingobject is a
Q9: What technique has allowed scientists to determine
Q10: If you were standing on Pluto,how often
Q12: The Pluto-Charon system moves in which way
Q34: The first satellite discovered in orbit about
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