A research team led by Prof. Di Kaichang from the Aerospace Information Research Institute (AIR) of the Chinese Academy of Sciences has developed an innovative method to enhance the study of lobate ...

mission is to generate a global digital elevation model. To achieve this, two satellites – TanDEM-X and TerraSAR-X, a satellite of almost identical construction which has been in orbit since 2007 – ...

This first-ever global digital-elevation model (DEM) of Mercury combines more than 10,000 images acquired by the spacecraft to take viewers across the wide-open spaces of the tiny world.