Engineers Devise Plan to De-Ice 'Dark Universe' Telescope from a Million Miles Away

The European Space Agency’s (ESA) Euclid telescope has been gradually losing its vision as layers of water molecules have frozen onto its mirrors. That’s bad news for a mission tasked with observing the dark universe using super-sensitive cameras, but the team behind the telescope has come up with a plan to keep Euclid warm in the cold depths of space....