IRAS
Videos
The Infrared Astronomical Satellite was the first space telescope to perform a survey of the entire night sky at infrared wavelengths. Launched on 25 January 1983, its mission lasted ten months. The t
Infrared Astronomical Satellite in space simulator at JPL, 1982
Launch of IRAS in 1983
False color image of comet IRAS–Araki–Alcock by IRAS
Infrared all-sky survey by IRAS
Debris disk
Videos
A debris disk, or debris disc, is a circumstellar disk of dust and debris in orbit around a star. Sometimes these disks contain prominent rings, as seen in the image of Fomalhaut on the right. Debris
Hubble Space Telescope observation of the debris ring around Fomalhaut. The inner edge of the disk may have been shaped by the orbit of Fomalhaut b, at lower right.
VLT and Hubble images of the disc around AU Microscopii.
Debris disks detected in HST archival images of young stars, HD 141943 and HD 191089, using improved imaging processes (24 April 2014).