New images of Mars
The Bernese camera CaSSIS delivered new high-resolution, colour images of the surface of Mars. They show curious surface features, water-formed minerals, 3D stereo views, and even a sighting of NASA’s InSight lander.
The Colour and Stereo Surface Imaging System (CaSSIS) was developed by an international team led by Nicolas Thomas, professor at the University of Bern and member of the NCCR PlanetS. CaSSIS orbits Mars on board the European ExoMars Trace Gas Orbiter (TGO). Amongst a new showcase of images is one of NASA’s InSight lander. Images of the lander have already been returned by NASA’s Mars Reconnaissance Orbiter, this is the first image of TGO.
“The TGO is being used to relay data from InSight to Earth,” says Nicolas Thomas. “Because of this function, to avoid uncertainties in communication, we had not been able to point the camera towards the landing site so far – we had to wait until the landing site passed directly under the spacecraft to get this image.” The CaSSIS image was captured on 2 March 2019 and shows InSight as a slightly brighter dot in the centre of the dark patch produced when the lander disturbed the surface dust. “The InSight landing site image is just one of many really high quality images that we have been receiving,” says Nicolas Thomas. Other images show detailed views of layered deposits in polar regions, the dynamic nature of Mars dunes, and the surface effects of converging dust devils.