Measuring thermal expansion at low temperatures for future space missions
Monday, November 23, 2015 - 09:00
in Astronomy & Space
Space holds numerous fascinating objects which we can only investigate by observing their radiation – even beyond the visible range. For space telescopes such as the European Space Agency's (ESA) infrared observatory Herschel, whose mission is to observe radiation in the far-infrared, cooling the instruments is of vital importance, since the instruments themselves must not emit disturbing infrared radiation.