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In which ways is the Oort cloud different than the Kuiper Belt? (Select all that apply.)

What is the most likely cause of the radial tectonic features on this part of Venus (see the following image)?

In which ways is the Oort cloud different than the Kuiper Belt? (Select all that apply.)

Suppose that a new planet has been discovered between Venus and Earth. It is about the size of Earth’s Moon. The planet will probably ________. (Select all that apply.)

Which part of the following image of Mars has evidence of tectonic extension? Select the letter associated with that area.

Which of the following is a major difference between Venus and Earth?

Consider the differences between Pluto and the giant outer planets. Which of the following is NOT correct?

The following images show impact craters on the Moon, Mars, Venus, and the Earth. Each has distinctive features because of the geologic processes that affect the surface. Which image is of a crater on the Moon?

What are the circular features with dark centers?

What is the origin of the light-colored streaks extending from the surface of comet Churyumov-Gerasimenko?