File:Oso1.gif
Oso1.gif (454 × 273 pixels, file size: 99 KB, MIME type: image/gif)
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DescriptionOso1.gif |
English: The first in a series of 8 successfully launched Orbiting Solar Observatories (OSO 1) was launched on 7 March 1962. The 200 kg spacecraft had a 9-sided spinning wheel section 1.2 m in diameter joined onto a fan- shaped sail section. It was put into a roughly circular orbit at ~ 575 km altitude, 32.8 degrees inclination. It s primary mission objectives were to measure the solar electromagnetic radiation in the UV, X-ray, and gamma-ray regions. Secondarily, it was to investigate dust particle in space. Data transmission ended on 6 August 1963. The satellite reentered the Earth's atmosphere 8 October 1981. Polski: Satelita OSO 1 |
Date | |
Source | NASA's HEASARC: Observatories, Goddard Spaceflight Center, OSO 1, NASA |
Author | HEASARC Director: Dr. Alan P. Smale HEASARC Associate Director: Dr. Roger Brissenden Responsible NASA Official: Phil Newman Web Curator: Meredith Gibb |
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Images produced by NASA are usually free of copyright [...] |
There were a number of X-ray and gamma-ray experiments aboard OSO 1 for performing solar observations. One instrument, however, the University of Minnesota Gamma-ray Experiment, was designed to provide preliminary measurements of the intensity and directional properties of low-energy gamma-rays in space. The detector operated in the 50 keV - 3 MeV range. For the 50-150 keV range, a NaI(Tl) scintillation crystal monitored radiation through a lead shield. The detector operating in the 0.3-1.0 MeV and 1.0-3.0 MeV energy regions used two scintillators connected as a Compton coincidence telescope.
The U. Minnesota gamma-ray experiment on OSO 1 produced a measurement of the extraterrestrial gamma-ray flux between 0.5-3.0 MeV, and an indication of its origin on the celestial sphere. Equally important, this experiment began to define the background problems encountered in gamma-ray astronomy.
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ||
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current | 20:22, 13 January 2007 | 454 × 273 (99 KB) | NH2501 (talk | contribs) | {{en|OSO 1 satellite}} {{pl|Satelita OSO 1}} Source: [http://heasarc.gsfc.nasa.gov/docs/heasarc/missions/images/oso_images.html NASA] Category:OSO satellites |
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