Study this thermal evolution diagram, which shows how the interior of a terrestrial planet should change with time and temperature. Select the part of the image that corresponds to the magma ocean.

Which of these four lunar impact craters is the youngest?

Condensation in the solar nebula and accretion of planets is thought to have occurred about how many years ago?

Which of the craters in these photographs is a volcanic crater? Select the one you think is volcanic.

What are the ages of most meteorites that fall to Earth?

Which is the correct sequence of planets, based on increasing distance from the Sun?

Study this thermal evolution diagram, which shows how the interior of a terrestrial planet should change with time and temperature. Select the part of the image that corresponds to the crust.

From this image, how can you tell that Imbrium Basin is older than Eratosthenes? (Choose all of the correct answers.)

Which of these geologic features are found on all of the following planets—Mercury, Mars, and Earth? (Choose all that apply)  

Why are the asteroids closer to Jupiter so much darker than those near Mars?