Comets are thought to have originated in a different part of the solar nebula than asteroids because

What do these features imply about the geologic history of Titan?

Examine the following image Ganymede. What are the regularly spaced troughs?

This is a colored shaded relief map of part of Earth’s continents (in green and brown) and seafloor (in shades of blue). Which of the letters is for a convergent plate boundary?

Essay Questions Use the spaces provided to write brief, well-organized answers to the essay questions. Everyone answers Question 51. Then choose 1 of the other 3 questions to answer. Each answer is worth 25 points.

From the abundance of craters, you can tell that the following moon is which of the satellites of Jupiter?

Which of the following is most important in keeping water a liquid on Earth?

The composition of Titan’s atmosphere is most like the atmosphere of which of the following planets?

Why is Uranus so odd compared to the other planets?

Based on what we know today, which of the following is most like Pluto in its size, composition and density?