A Typical but Very Cool Star Might Have a Temperature

question 146

Multiple Choice

A typical but very cool star might have a temperature of 3100° Celsius.On the Kelvin scale,this is about:

• A) 3373 K.
• B) 3068 K because 0 K, the freezing point of water, is 32°C.
• C) the same number, 3100 K, because the Kelvin and Celsius scales are the same.
• D) 2827 K.

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Definitions:

Vision

The ability to interpret the surrounding environment using light in the visible spectrum reflected by the objects in the environment.

Opponent Process Theory

A psychological and neurological model that explains how the perception of colors is controlled by the operation of opposing neural systems.

Trichromatic

Describes the feature of having three colors, in psychology, it specifically refers to the trichromatic theory of color vision.

Retinex Theories

A set of theories proposing how the human eye and brain perceive colors consistently under different lighting conditions.