Electromagnetic radiation in or near visible spectrum
human settlement in Inzensky District, Ulyanovsk Oblast, Russia
Object, natural or artificial, that produces light.
Electromagnetic radiation that is capable of causing a visual sensation.
Visible electromagnetic radiation. The human eye can typically detect radiation (light) in the wavelength range of about 400 to 750 nanometers. Nearby shorter and longer wavelength ranges, although not visible, are commonly called ultraviolet and infrared light.
The part of the electromagnetic spectrum, between infrared and ultraviolet, that is visible to the human eye.