Q124
Which two planets of the solar system have no satellites?
A.
Mercury and Venus
AnswerB.
Venus and Mars
C.
Mercury and Mars
D.
Venus and Neptune
Answer: Option A
Solution
Answer: Option A
Solution:
Mercury and Venus are too close to the Sun. Any moon with too great a distance from these planets would be in an unstable orbit and be captured by the Sun. If they were too close to these planets they would be destroyed by tidal gravitational forces.