far red radiation

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• far-redradiation — far red radiation (färʹrĕdʹ) n. Electromagnetic radiation having the longest wavelengths in the infrared region, between approximately 50 and 1,000 micrometers. Also called far infrared radiation. * * * …   Universalium

• far-infraredradiation — far in·fra·red radiation (färʹĭn frə rĕdʹ) n. See far red radiation. * * * …   Universalium

• Far infrared astronomy — is the branch of astronomy and astrophysics which deals with objects visible in far infrared radiation (extending from 30 µm towards submillimeter wavelengths around 450 µm).In the far infrared, stars are not especially bright, but we can see… …   Wikipedia

• radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …   Universalium

• Red hair — This article is about people with red hair, who are sometimes called redheads . For the film, see Red Hair (film). For other uses, see Redhead (disambiguation) …   Wikipedia

• Red Dwarf — This article is about the British comedy franchise. For the type of star, see Red dwarf. Red Dwarf Red Dwarf logo (1988–99) Genre Sitcom Science fiction Black comedy …   Wikipedia

• Red dwarf — According to the Hertzsprung Russell diagram, a red dwarf star is a small and relatively cool star, of the main sequence, either late K or M spectral type. They constitute the vast majority of stars and have a mass of less than one half that of… …   Wikipedia

• Red algae — Taxobox color = #taxobox color|Plantae name = Red algae image width = 240px domain = Eukaryota unranked phylum = Archaeplastida phylum = Rhodophyta phylum authority = Wettstein, 1922 subdivision ranks = Class subdivision = *Rhodophyceae(There… …   Wikipedia

• electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… …   Universalium

• Habitability of red dwarf systems — Determining the habitability of red dwarf systems could help reveal how likely extraterrestrial life is to exist, as red dwarfs make up a majority of all the stars in the galaxy. Critical factors assumed to be impediments to habitablity include… …   Wikipedia

• Electromagnetic radiation — Electromagnetism Electricity · …   Wikipedia