What is the average size of the head of a comet?
A) 1-2 km across
B) less than 15 km across
C) 50 km across
D) 500 km across
E) 2,500 km across

Question

Quizplus · Accepted Answer

The average size of the head (or nucleus) of a comet is less than 15 km across. This can vary greatly depending on the comet, with some being as small as a few hundred meters and others being over 40 km in diameter.

What Is the Average Size of the Head of a Comet