The IRAS mission performed an unbiased, sensitive all-sky survey at 12,25,60 and 100 µm during 1983, and after the mission ended, IPAC started the Infrared Science Archive (IRSA) to make the data available to anyone who needed it.
The IRAS mission performed an unbiased-sky survey at 12,25,60 and 100 µm during 1983. This was sensitive all. IPAC started the Infrared Science Archive (IRSA). This was to make the data available to anyone who needed it. The mission ended.