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Mars Express sees its first water – scientific results

23 January 2004

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OMEGA observed the southern polar cap of Mars on 18 January 2004, as seen on all three bands. The right one represents the visible image, the middle one the CO2 (carbon dioxide) ice and the left one the H2O (water) ice.

Credits: ESA - OMEGA

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Credits: ESA - OMEGA

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PFS shows different CO distribution in Northern and Southern he

First data of the Planetary Fourier Spectrometer (PFS) instrument (high-resolution spectrometer) show that the CO distribution is different in the northern and southern hemisphere of Mars.

Credits: ESA - PFS

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HRSC image of Reull Vallis 15 January 2004

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This picture was taken by the High Resolution Stereo Camera (HRSC) onboard ESA's Mars Express orbiter, in colour and 3D, in orbit 18 on 15 January 2004 from a height of 273 km. The location is east of the Hellas basin at 41° South and 101° East. The area is 100 km across, with a resolution of 12 m per pixel, and shows a channel (Reull Vallis) once formed by flowing water. The landscape is seen in a vertical view, North is at the top.

Credits: ESA/DLR/FU Berlin (G. Neukum)

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