The European Space Agency (ESA) has announced a successful solution to the problem of ice formation on the mirrors of the Euclid telescope, launched in July 2023. After discovering layers of ice on the telescope’s optics in preparation for the mission’s first survey, the project team researched and tested a new ice removal procedure.
Recently it was discovered that the de-icing method worked and Euclid’s vision was restored. This success validates the mission team’s plan to ensure the functionality of the Euclid optical system for the remainder of the mission.