A few layers of water ice – the width of a strand of DNA – are starting to impact Euclid ’s vision; a common issue for spacecraft in the freezing cold of space, but a potential problem for this highly sensitive mission that requires remarkable precision to investigate the nature of the dark Universe . After months of research, Euclid teams across Europe are now testing a newly designed procedure to de-ice the mission’s optics. If successful, the operations will validate the mission teams’ plan to keep Euclid’s optical system as ice-free as possible for the rest of its life in orbit.
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