Change in Mars' Mid-Latitude Ionosphere After Comet Flyby
These plots portray data from radar sounding of Mars' mid-latitude ionosphere at three times on Oct. 19 and 20, 2014. The data are from the MARSIS instrument on the European Space Agency's Mars Express orbiter.
Radar-Detected Change in Martian Near-Polar Ionosphere After Comet's Flyby
These spectrograms from the MARSIS instrument on the European Space Agency's Mars Express orbiter show the intensity of radar echo in Mars' far-northern ionosphere at three times on Oct. 19 and 20, 2014.
Hydrated Minerals Exposed at Stokes, Northern Mars
This view of Stokes Crater is a mosaic of images taken by NASA's Mars Reconnaissance Orbiter and ESA's Mars Express showing at least one of the nine craters in the northern lowlands of Mars with exposures of hydrated minerals detected from orbit.
This picture of the European Space Agency's Mars Express spacecraft by the Mars Orbiter Camera on NASA's Mars Global Surveyor is from the first successful imaging of any spacecraft orbiting Mars taken by another spacecraft orbiting Mars.