Tag Archives: south polar region

HiRISE: Curving pits and ridges

This terrain is unusual for the South Polar region of Mars, with a set of curved ridges of unknown origin. Small pits are present, often concentrated on the ridges, that may have resulted from sublimation of ice. [More at link]

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HiRISE: Intricate CO2 frost patterns

This polar terrain is cut by an intricate pattern of channels. Carbon dioxide frost in the channels make them bright at this time of year. [More at link]

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HiRISE: Thousands of spiders on Mars

As part of the Planet Four citizen science effort, volunteers searched Context Camera images for possible new locations on Mars with “spiders,” or features with radial troughs from which fans emanate in the springtime. We planned this HiRISE image over … Continue reading

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Mars Express: From worry to water

In 2004, a year after Europe’s first mission to Mars was launched, the flight dynamics team at ESA’s operations centre encountered a serious problem. New computer models showed a worrying fate for the Mars Express spacecraft if mission controllers continued … Continue reading

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Mars Express radar finds liquid water under Mars south polar region

Editor’s note: NASA has commented on this discovery. Radar data collected by ESA’s Mars Express point to a pond of liquid water buried under layers of ice and dust in the south polar region of Mars. [The researchers’ paper reporting … Continue reading

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HiRISE: Lace terrain near craters

Lace terrain near craters. Are these interesting channels due to seasonal sublimation and erosion? Beautiful Mars series.

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HiRISE: Layered ice near the South Pole

The two largest ice sheets in the inner solar system are here on Earth, Antarctica and Greenland. The third largest is at the South Pole of Mars and a small part of it is shown here. Much like the terrestrial … Continue reading

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HRSC: Mars upside down

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 … Continue reading

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HiRISE: Pits in the south polar layered deposits

Pits in the south polar layered deposits. Beautiful Mars series.

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HiRISE: South residual polar cap monitoring

Spooky — The wonderfully strange landscape of the South Polar region. Beautiful Mars series.

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