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Model of the IRAS astronomical satellite in orbit

Model of the IRAS astronomical satellite in orbit

R215/0011

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Credit

DR SETH SHOSTAK / SCIENCE PHOTO LIBRARY DR SETH SHOSTAK / SCIENCE PHOTO LIBRARY

Caption

Model of IRAS (Infrared Astronomical Satellite) circling the earth. IRAS was launched from the Vandenberg Air Force Base, California, on January 26, 1983. It was placed in a near-polar orbit 900 km (560 miles) high, & it circled the Earth 14 times a day. IRAS consisted of a 60-cm infrared telescope, supercooled to 2 degrees above absolute zero (-271 degrees Celsius). Unhampered by Earth's atmosphere, which absorbs infrared radiation, the satellite performed an all-sky survey for sources of infrared emission & provided a catalogue of infrared sources & infrared sky maps.

Release details

Model release not required. Property release not required.

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