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Q41: A plasma torus has been discovered around
Q47: Which technique is NOT used to establish
Q159: The rings of Saturn are seen by:<br>A)
Q167: Which statement is NOT true of the
Q206: There is no evidence of plate tectonics
Q243: Each of the following has been proposed
Q316: Which satellite of Jupiter is volcanically active?<br>A)
Q361: The internal structure of Mercury is a:<br>A)
Q385: Examination of the whole surface of the
Q601: What is a mascon?<br>A) each of several