Multiple Choice
The moons of Mars are:
A) spherical and quite large, compared to the planet; about 1000 km in diameter, similar to the largest asteroid.
B) irregular but quite large, compared to the planet, between 500 and 1500 km across.
C) irregular in shape and very small, only several tens of kilometers across.
D) almost spherical but very small, between 10 and 30 km in diameter.
Correct Answer:
Verified
Correct Answer:
Verified
Q1: All the following evidence for H<sub>2</sub>O has
Q2: The Venera series of spacecraft landed on
Q3: In 2012, snow was observed falling above
Q4: If you are on Mercury and the
Q6: What phenomenon causes the V-shaped patterns that
Q7: Which of the following has apparently had
Q8: For hundreds of millions of years the
Q9: Of the facts listed below, three contribute
Q10: The dark markings near the equator of
Q11: Each of the following components of the