Electro-magnetic spectrum
From CityDeepSky
(Difference between revisions)
Revision as of 14:37, 9 December 2009
The electro-magnetic (EM) spectrum is a form of radiative energy. Our eyes perceive a small part of this spectrum as light. Going from longest wavelength to shortest wavelength the spectrum is:
- Radio
- Microwave
- Infra-red
- Visible light
- Ultra-violet
- X-ray
- Gamma-ray
