Examlex
One positive number is 4 larger than another number. The sum of their squares is 106. Find the numbers.
Different Stars
Various types and classifications of stars in the universe, characterized by distinct physical properties such as mass, temperature, and brightness.
Brightness Constancy
The visual perception phenomenon where the perceived brightness of an object remains constant despite changes in illumination.
Perceived Lightness
The visual perception of the brightness or intensity of an object's color.
Frequency Of Light
The number of waves that pass a fixed point in a given unit of time, which dictates the color of light perceived by the human eye.
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