Artwork of IRAS in orbit
Numéro d’image : 11880682
| Artist's impression of IRAS in orbit. The Infrared Astronomy Satellite (IRAS) was launched on 25 January 1983. Its primary instrument was a 60cm telescope,cooled to -271 Celsius and operating in the 12- 100 micron infrared waveband. The satellite operated for ten months,completing a survey of 96% of the sky. On its first day of operation,IRAS recorded over 4000 infrared sources,including 20 previously unidentified galaxies. IRAS catalogued 22 comets and 1811 asteroids,discovered methane on Pluto,identifed a dust ring around the star Alpha Lyrae and a collapsing gas cloud thought to be a protostar in the constellation Ophiucus | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Parker, David |
| Taille de l’image : | 4976 px × 3588 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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