Tag Archives: Holden Crater

HiRISE: A closer look at Holden Crater

Holden Crater in southern Margaritifer Terra displays a series of finely layered deposits on its floor (white and light purple in an enhanced color image). The layered deposits are especially well exposed in the southwestern section of the crater where … Continue reading

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HiRISE: Cubism in western rim of Holden Crater

This image covers the western rim of Holden Crater during northern summer. Since Holden Crater is in the Southern hemisphere of Mars, the shadows are long in northern summer (southern winter). Where the crater rim is well illuminated, we can … Continue reading

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HiRISE: Holden Crater dune topography

Holden Crater dune topography. Beautiful Mars series.

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HiRISE: Bedrock outcrops west of Holden Crater

Bedrock outcrops west of Holden Crater. Beautiful Mars series.

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Making fans all over

Water and sediment run downhill, on Earth and Mars alike. And when they do, they build broad alluvial (outwash) fans at the foot of slopes. But how fast do these fans accumulate? On Mars, at least, it looks like they … Continue reading

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NASA’s long road to Gale Crater

If Gale Crater isn’t your favorite choice for a landing site for NASA’s next Mars rover, you can’t claim the choice was made hastily. The international community of Mars scientists thoroughly sifted the Red Planet to find a feasible landing … Continue reading

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Down in the deltas

Although NASA passed over Eberswalde Crater to choose Gale Crater as the landing site for the Mars Science Laboratory (MSL), Eberswalde offers the best known example on Mars of a river delta built from sediment washed into a crater lake. … Continue reading

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