Uranus' moon,Ariel,has a bright surface and grooves 10 km deep.Based on this,it can be concluded that
A) Ariel has a fairly old surface.
B) Ariel has a fairly young surface.
C) Ariel has a thin atmosphere.
D) Ariel is very far from its parent planet,Uranus.
E) a and d
Correct Answer:
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Q8: _ made one of the first calculations
Q9: The graph below plots the escape velocities
Q10: Nereid orbits Neptune in a highly elliptical
Q11: Uranus and Neptune appear blue because
A) their
Q12: The Great Dark Spot is
A) a large
Q14: In contrast to Jupiter,the magnetic field of
Q15: The particles in the rings of Uranus
Q16: Neptune has a mass of 1.0*1026 kg
Q17: Which of the following is(are)found on Triton?
A)
Q18: Neptune has an orbital period of 165
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