Tag Archives: north polar region

HiRISE: Frosted dunes in north polar region

A soothing way to start your Monday. These polar dunes show both carbon dioxide frost (the while colored areas) along with darker material that’s been exposed due to sublimation, and is blown by the wind to form these dark spots. … Continue reading

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HiRISE: Dune erosion and streaks

Dune erosion and streaks. One of the many seasonal images we take to detect changes. In this case, we want to quantify the process of erosion driven by sublimation on the dunes. (Sublimation is the process of going directly from … 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: Defrosting dunes

Defrosting dunes. They’re melting! They’re melting! Beautiful Mars series.

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HiRISE: North polar gypsum dunes

North polar gypsum dunes. Beautiful Mars series.

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MEX: Swirling spirals at the north pole of Mars

A new mosaic from ESA’s Mars Express shows off the Red Planet’s north polar ice cap and its distinctive dark spiralling troughs. The mosaic was generated from 32 individual orbit ‘strips’ captured between 2004 and 2010, and covers an area … Continue reading

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HiRISE: Not our planet

Not our planet. Beautiful Mars series.

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