The Infrared Astronomical Satellite was the first-ever space-based observatory to perform a survey of the entire sky at infrared wavelengths. Launched on January 25, 1983, its mission lasted ten months. The telescope was a joint project of the United States, the Netherlands, and the United Kingdom. Over 250,000 infrared sources were observed at 12, 25, 60, and 100 micrometer wavelengths.
The numerical value of IRAS in Chaldean Numerology is: 7
The numerical value of IRAS in Pythagorean Numerology is: 2
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