Physics 174: Quiz 9 - 9 Mar 07

Answers are in blue.

1. Which of the following has had the most profound impact on our understanding of the planets?

a. Radio telescopes.
b. Infrared astronomy.
c. Space probes.
d. Large telescopes.
e. Telescopes orbiting the Earth.

2. Which of the terrestrial worlds has the largest mass?

a. Mercury.
b. Venus.
c. Earth.
d. The Moon.
e. Mars.

3. Which terrestrial world has the densest atmosphere?

a. Mercury.
b. Venus.
c. Earth.
d. The Moon.
e. Mars.

4. What to the number of craters on different surfaces tell us?

a. The absolute ages of the surfaces.
b. The relative ages of the surfaces.
c. How many meteoroids have collided with the worlds.
d. How well the atmospheres protect the worlds.
e. How easily scarred the surfaces are.

5. Which of the following processes can erase craters?

a. Water erosion.
b. Wind erosion.
c. Lava flows.
d. Sedimentation.
e. All of the above.

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Last modified 19 March, 2007. © Gregory C. Sloan.