Pasachoff, Jay M. Hopkins Observatory, Williams College, Williamstown, Massachusetts.
Chapman, Robert D. Laboratory for Solar Physics and Astrophysics, Goddard Space Flight Center, National Aeronautics and Space Administration, Beltsville, Maryland.
Sinton, William M. Formerly, Department of Astronomy, University of Hawaii at Manoa, Honolulu, Hawaii.
Last reviewed:September 2018
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- Optical telescopes
- Refracting telescopes
- Reflecting telescopes
- Catadioptric telescopes
- Solar telescopes
- Radio telescopes
- Infrared telescopes
- Ultraviolet telescopes
- X-ray telescopes
- Gamma-ray telescopes
- Cosmic-ray telescopes
- Neutrino telescopes
- Additional Readings
An instrument used to collect, measure, or analyze electromagnetic or other radiation from distant objects. A telescope overcomes the limitations of the human vision by increasing the ability to see faint objects and discern fine details. In addition, when used in conjunction with modern detectors, a telescope can “see” light that is otherwise invisible to the human eye (Fig. 1). The wavelength of the light of interest can have a profound effect on the design of a telescope. By analogy, detectors of particles from space are also known as telescopes. See also: Astronomy; Astronomical observatory; Electromagnetic radiation; Light; Vision
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