Comets are typically composed of
A) mostly gases, some of which are pushed out by the Sun to form a long tail.
B) slushy mixtures of liquid and ice.
C) chunks of rock that are generally a few tens of kilometers in diameter.
D) mixtures of ice and rock

Question

Quizplus · Accepted Answer

Comets are composed of a mixture of ice, dust, and rocky material. When they approach the Sun, the heat causes the ice to vaporize, forming a glowing coma and sometimes a tail.

Comets Are Typically Composed of