Bestand:Oso1.gif
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Beschrijving
BeschrijvingOso1.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 |
Datum | |
Bron | NASA's HEASARC: Observatories, Goddard Spaceflight Center, OSO 1, NASA |
Auteur | HEASARC Director: Dr. Alan P. Smale HEASARC Associate Director: Dr. Roger Brissenden Responsible NASA Official: Phil Newman Web Curator: Meredith Gibb |
Toestemming (Hergebruik van dit bestand) |
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.
Licentie
Public domainPublic domainfalsefalse |
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Datum/tijd | Miniatuur | Afmetingen | Gebruiker | Opmerking | |
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huidige versie | 13 jan 2007 22:22 | ![]() | 454 × 273 (99 kB) | NH2501 | {{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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