The Surfaces of the Asteroids Ida and Mathilde, Photographed by the Galileo

Multiple Choice

The surfaces of the asteroids Ida and Mathilde, photographed by the Galileo and NEAR Shoemaker spacecraft show:

A) icy surfaces crisscrossed with cracks and systems of parallel grooves.
B) young, sharp, jagged surfaces, due to fragmentation by collision with other asteroids, and few craters.
C) irregular, somewhat rounded and moderately cratered surfaces.
D) ancient surfaces densely covered with large and small overlapping craters, like the surface of the highland areas of the Moon.