The narrowness of the rings of Uranus and Neptune is believed to be caused by
A) gravitational interactions between ring particles.
B) a spiral density wave which confines them.
C) the magnetic field which holds them in place.
D) the smaller mass of Uranus and Neptune as compared to that of Saturn.
E) small shepherd moons that orbit near the rings.
Correct Answer:
Verified
Q24: Europa has few craters because
A)it is protected
Q25: Saturn's rings are
A)composed of ice particles.
B)in the
Q26: We can be sure the particles in
Q27: On its icy surface, Uranus's satellite Ariel
Q28: Some narrow rings of Saturn are seen
Q30: _ is a satellite of Pluto.
A)Miranda
B)Charon
C)Venus
D)Krypton
E)Nereid
Q31: The rotation of Uranus is peculiar in
Q32: The diagram below shows a cross section
Q33: Triton has a retrograde orbit around Neptune.
Q34: Saturn's atmosphere
A)has more distinctive zones and belts
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