How did Mars get its two moons?
a. Mars captured asteroids from the asteroid belt.
b. Mars suffered a catastrophic meteor impact, breaking a piece off the planet.
c. Mars had planetary bodies near it when the solar wind blew out the nebula.
d. Mars collided and fused with another planet leaving two remnants behind.
e. Mars captured comets from the Kuiper belt.
Question 2What keeps water frozen on Mars?
a. The constant subzero surface temperatures
b. The low atmospheric pressure of the planet
c. The distance between Mars and the Sun
d. The relatively quick rotation period
e. The negligible axis tilt of the planet
Question 3Which period of Mars's planetary history has been the most uneventful?
a. Mesozoic
b. Noachian
c. Amazonian
d. Jurassic
e. Hesperian
Question 4What is the current dominant geological process on Mars?
a. plate tectonics
b. volcanism
c. wind erosion
d. water erosion
e. cratering
Question 5What evidence is there to prove that there has been no tectonic movement on Mars?
a. The meteorites that have landed on Earth
b. The blueberries found by rover Opportunity
c. The huge size of the Martian volcanoes
d. The presence of ice beneath the surface
e. The large number of polygonal cracks on the surface
Question 6What is Olympus Mons and where is it found?
a. a crater on our Moon
b. a volcano on the planet Mars
c. a sinuous rille on Venus
d. a caldera on the planet Venus
e. a lobate scarp on Mars
Question 7What is significant about Olympus Mons?
a. It is the only impact crater remaining on Mars.
b. It is the largest crater in the Solar System.
c. It is the largest volcano on Venus.
d. It is the only composite volcano on Mars.
e. It is the largest volcano in the Solar System.
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