Name a type of asteroid and give a description.

The C-type

The S-type

The M-type

Explanation:

C type = (chondrite) asteroids are most common, probably consist of clay and silicate rocks, and are dark in appearance.

S type = ("stony") are made up of silicate materials and nickel-iron.

M type = metallic (nickel-iron).

S-type or silaceous asteroids are made up primarily of stony materials and nickel-iron. They inhabit the inner Asteroid Belt. M-type, or metallic, are made up mostly of nickel-iron, and are found in the middle region of the Asteroid Belt