Examlex
Quasars are radio sources that look like stars in visible-light photographs.
Color Blindness
A vision impairment where an individual has difficulty distinguishing between certain colors, typically red and green or blue and yellow.
Distinguish
The ability or action of recognizing the difference between two or more things or individuals.
Wavelength
The distance between successive crests of a wave, typically used in the context of electromagnetic waves or sound waves.
Saturation Level
The maximum extent or degree to which something can be absorbed or saturated.
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