moon168 to Mars Programme is a key part of our journey towards achieving a sustainable lunar presence, which is essential for humanity’s next giant leap to the Red Planet.

ARCSTONE is a push-broom imaging spectrometer designed for the ISS ELC-1 Site 3 nadir position. It will enable on-orbit characterization of the Sun and Earth with radimetric precision below one percent and broad phase angle lunar irradiance characterization. See moon168 and characterization for further details.