Electromagnetic spectrum
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| - | '''James Carpenter''' (1840–1899) was a [[United Kingdom|British]] [[astronomer]] at the [[Royal Greenwich Observatory|Royal Observatory]] in [[Greenwich]]. | + | The '''electromagnetic spectrum''' is the range of [[frequency|frequencies]] (the [[spectrum]]) of [[electromagnetic radiation]] and their respective [[wavelength]]s and [[photon energy|photon energies]]. |
| - | During the 1860s he performed the first observations of stellar [[electromagnetic spectrum|spectra]] at the observatory, under the direction of the [[Astronomer Royal]] [[George Biddell Airy|George Airy]]. In 1861–62 he was one of three astronomers to successfully observe the dark underside of the rings of [[Saturn]], the other two astronomers being [[William Wray (astronomer)|William Wray]] and [[Otto Struve]]. | + | ==See also== |
| + | * [[Bandplan]] | ||
| + | * [[Cosmic ray]] | ||
| + | * [[Digital dividend after digital television transition]] | ||
| + | * [[Electroencephalography]] | ||
| + | * [[Infrared window]] | ||
| + | * [[Ionizing radiation]] | ||
| + | * [[List of international common standards]] | ||
| + | * [[Optical window]] | ||
| + | * [[Ozone layer]] | ||
| + | * [[Radiant energy]] | ||
| + | * [[Radiation]] | ||
| + | * [[Radio window]] | ||
| + | * [[Spectroscopy]] | ||
| + | * [[V band]] | ||
| + | * [[W band]] | ||
| - | In 1871, the engineer [[James Hall Nasmyth|James Nasmyth]] partnered with James Carpenter to produce a book about the [[Moon]] titled, ''[[The Moon: Considered as a Planet, a World, and a Satellite]]''. This work was illustrated by photographs of plaster models representing the lunar surface, with the illumination from various angles. The result was more realistic images of the lunar surface than could be achieved by telescope photography during that period. The authors were proponents for a volcanic origin of the craters, a theory that was later proved incorrect. | ||
| - | |||
| - | The crater [[Carpenter (crater)|Carpenter]] on the [[Moon]] is jointly named after him and [[Edwin Francis Carpenter]]. | ||
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The electromagnetic spectrum is the range of frequencies (the spectrum) of electromagnetic radiation and their respective wavelengths and photon energies.
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See also
- Bandplan
- Cosmic ray
- Digital dividend after digital television transition
- Electroencephalography
- Infrared window
- Ionizing radiation
- List of international common standards
- Optical window
- Ozone layer
- Radiant energy
- Radiation
- Radio window
- Spectroscopy
- V band
- W band
Unless indicated otherwise, the text in this article is either based on Wikipedia article "Electromagnetic spectrum" or another language Wikipedia page thereof used under the terms of the GNU Free Documentation License; or on research by Jahsonic and friends. See Art and Popular Culture's copyright notice.
