Space telescope Herschel (2009-2013) allowed fascinating insight into the birth of stars. Credit: ESA
The results are important for space missions that have already been planned, such as the James Webb Space Telescope (JWST), for which temps of use < -220 °C are planned, or Space Infrared Telescope for Cosmology and Astrophysics (SPICA), for which even lower temps are envisaged.
Space holds numerous fascinating objects which we can only investigate by observing their radiation. For space telescopes such as ESA infrared observatory Herschel, whose mission is to observe radiation in the far-infrared, cooling the instruments is of importance, since the instruments themselves must not emit disturbing infrared radiation...
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