Supercooled and supersized technologies aboard Herschel and Planck
Friday, May 8, 2009 - 06:42
in Astronomy & Space
Away from sunlight it can get very cold in space, but not cold enough for the Herschel and Planck missions, which ESA and European industry have equipped with state-of-the-art refrigeration systems to make the detectors of the two spacecraft some of the coldest objects in the cosmos for the duration of their missions.