What Is the Average Size of the Head of a Comet

question 15

Multiple Choice

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

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Definitions:

One-Fifth

A fraction equivalent to 20 percent of a whole.

Nonspectral Colors

Colors not found in the visible spectrum of light, such as magenta or pink, created by mixing different wavelengths of light.

Complementary

Things or factors that together enhance or complete each other's qualities, providing a synergistic effect.

White Light

Electromagnetic radiation that is visible to the human eye and is perceived as colorless. It contains all wavelengths of the visible spectrum.