CaSSIS, short for Colour and Stereo Surface Imaging System, is an instrument on-board ESA’s ExoMars Trace Gas Orbiter. All public images are licenced under Creative Commons CC BY-SA IGO 3.0 and can be found on ESA space in images.

ExoMars/CaSSIS data will be made available via ESA’s Planetary Science Archive (PSA). Commissioning data is planned for delivery in the 2nd quarter of 2017.

Phobos in 3D by ExoMars

Phobos, the innermost and larger of the two moons of Mars, in an anaglyph image composed from the stereo pair acquired by the ExoMars orbiter’s CaSSIS instrument on 26 November 2016. The image should be viewed using red-blue 3D glasses. Credit: ESA/Roscosmos/CaSSIS, CC BY-SA 3.0 IGO