Why Do Uranus and Neptune Appear Blue

question 4

Multiple Choice

Why do Uranus and Neptune appear blue?

• A)Gas molecules in their atmosphere preferentially scatter blue light.
• B)Methane snowflakes absorb all colors except blue, which they reflect.
• C)Small dust grains preferentially scatter blue light.
• D)Methane gas absorbs all colors except blue.

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Definitions:

Blood Volume

The total amount of blood circulating within an organism's vascular system.

Atrium

Chamber; particularly an upper chamber of the heart, lying above a ventricle.

Ventricle

Cavity in an organ, such as a lower chamber of the heart or the ventricles of the brain.

Capillaries

The smallest blood vessels in the body, responsible for the exchange of oxygen, carbon dioxide, and other nutrients and waste products between the blood and tissues.