The visual spectrum of light, however, is but a tiny portion of the whole picture, of a huge spectrum of radiation that extends in both directions from the edges of the rainbow.
If with superhuman eyes you could see beyond red, you would encounter the "infrared" -- felt as heat on the skin -- which would merge gradually into the familiar "radio" portion of the spectrum.
Stand outdoors to see and feel the radiation pouring from the Sun.
Most of the energy of the Universe is transported in this way, by radiation.
Even if you use established dating websites, like Match.com, e Harmony, etc., and even the women say they live in your own country, you may be scammed.
In 1964, "The Star of Murfreesboro" was discovered at the same site, weighing in at 34.25 carat.
Then, in 1975, came the 16.37 carat "Amarillo Starlight Diamond." The 6.35 carat "Roden Diamond" was found in 2006.
"Spectra" is embedded with links that will take you back to the appropriate parts of the above two sites. The classic colors red, orange, yellow, green, blue, and violet connect in a seemingly infinite number of shades, one blending smoothly into the next.
Together they constitute the "visual spectrum" (or "optical spectrum") because it is the part of the full spectrum that is seen with the human eye.