Extreme Ultraviolet Explorer


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Extreme Ultraviolet Explorer:

see ultraviolet astronomyultraviolet astronomy,
study of celestial objects by means of the ultraviolet radiation they emit, in the wavelength range from about 90 to about 350 nanometers. Ultraviolet (UV) line spectrum measurements are used to discern the chemical composition, densities, and temperatures
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Extreme Ultraviolet Explorer

(EUVE) A NASA satellite launched June 1992 to carry out the first survey of the sky in the extreme ultraviolet (7–76 nm) region of the spectrum. Radiation at these wavelengths is totally screened out by the Earth's atmosphere, and so this mission was expected to be of groundbreaking significance. The 3.2-tonne satellite carried four photometric imaging systems and a three-channel EUV spectrometer. The imaging instruments were used to accomplish the sky survey. The spectrometers were used for the pointed spectroscopic programs, which collected data from over 350 unique astronomical targets. NASA authorized a Guest Observer Program of pointed spectroscopy that ended on Jan. 31, 2001, when the EUVE was shut down. The satellite fell out of orbit and broke up in the Earth's atmosphere at the end of Jan. 2002.
References in periodicals archive ?
Stuart Bowyer is science principal investigator for the Extreme Ultraviolet Explorer mission and director of the Center for Extreme Ultraviolet Astrophysics, Berkeley, California.
The Extreme Ultraviolet Explorer (EUVE), launched last June, detects this band of radiation, which can't penetrate Earth's atmosphere and is intermediate in energy between the near ultraviolet and X-rays (SN: 5/23/92, p.
Stuart Bowyer of the University of California, Berkeley, announced that another space-borne observatory, the recently launched Extreme Ultraviolet Explorer, detected a quasar-like object about 2 billion light-years from Earth.
This observatory, known as the Extreme Ultraviolet Explorer (EUVE), will probe nearby stars and interstellar gas from a vantage point 328 miles above Earth's surface.
May: Carrying four telescopes, the Extreme Ultraviolet Explorer (EUVE) will head into space to record the intensity and location of celestial emissions in a rarely studied portion of the electromagnetic spectrum: wavelengths shorter than most ultraviolet light but longer than X-rays.
The Extreme Ultraviolet Explorer satellite (EUVE) will get an August launch from an unmanned Delta rocket.

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