Elevation of Nili Fossae, a graben system on Mars (Credit: ESA/DLR/FU Berlin (G. Neukum))
New results from the MARSIS radar on Mars Express give strong evidence for a former ocean of Mars. The radar detected sediments reminiscent of an ocean floor inside previously identified, ancient shorelines on the red planet. The ocean would have covered the northern plains billions of years ago (Credit ESA, C. Carreau)
Envisat image of the Galapagos Islands, an archipelago situated some 1 000 km to the west of Ecuador in the Pacific Ocean (Credit: ESA)
Andre Kuipers looks back on the Soyuz spacecraft that carried him to the ISS in December 2011 (Credit: ESA/NASA )
The two satellites of Proba-3 will fly in formation to form an external coronagraph in space, one satellite eclipsing the Sun to allow the second to study the otherwise invisible solar corona (Credit: ESA – P. Carril, 2013)