Mars upside down14 December 2017
Mars upside down14 December 2017 Which way is up in space? Planets are usually shown with the north pole at the top and the south pole at the bottom. In this remarkable image taken by ESA’s Mars Express, the Red Planet is seen with north at the bottom, and the equator at the top.
Fracture swarms on Mars16 November 2017
Fracture swarms on Mars16 November 2017 These striking features on Mars were caused by the planet’s crust stretching apart in response to ancient volcanic activity.
Webcam on Mars Express surveys high-altitude clouds17 October 2017
Webcam on Mars Express surveys high-altitude clouds17 October 2017 An unprecedented catalogue of more than 21 000 images taken by a webcam on ESA’s Mars Express is proving its worth as a science instrument, providing a global survey of unusual high-altitude cloud features on the Red Planet.
Colourful dunes on wind-swept Mars05 October 2017
Colourful dunes on wind-swept Mars05 October 2017 Dunes are prominent indicators of prevailing winds, as can be seen on this crater floor on Mars, imaged by ESA’s Mars Express on 16 May.
Splashdown! Crashing into martian mud 14 September 2017
Splashdown! Crashing into martian mud 14 September 2017 An impactor smashing into an ice-rich surface gave rise to the complex flow features around this ancient crater on Mars.
Tracking a solar eruption through the Solar System 15 August 2017
Tracking a solar eruption through the Solar System 15 August 2017 Ten spacecraft, from ESA’s Venus Express to NASA’s Voyager-2, felt the effect of a solar eruption as it washed through the Solar System while three other satellites watched, providing a unique perspective on this space weather event.