Multiple Choice
Pluto and its large satellite, Charon, differ from each other in that:
A) Charon always turns the same side toward Pluto, while Pluto rotates relatively quickly, a situation similar to that of Earth and its Moon.
B) Pluto contains a larger fraction of rock compared to ice than does Charon, as indicated by Pluto's higher density.
C) Pluto has a methane atmosphere, whereas Charon has a nitrogen atmosphere.
D) Pluto has a surface of methane, nitrogen, and carbon monoxide ice, whereas Charon has a surface of water ice.
Correct Answer:

Verified
Correct Answer:
Verified
Q2: Uranus and Neptune appear to be smaller
Q3: Which one of the following bodies has
Q4: If methane were absent from Uranus's atmosphere,
Q5: We believe Galileo may have unknowingly observed
Q6: The plumes that were seen to rise
Q8: How did the discovery of Neptune differ
Q9: Neptune is about 1.5 times as far
Q10: Which property of Triton, a moon of
Q11: The orbit of Triton is inclined about
Q12: One reason Uranus's atmosphere appears almost featureless