Tag Archives: Hellespontus

HiRISE: Barchan dune changes

Barchan dune changes in the Hellespontus region. Beautiful Mars series.

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HiRISE: Young, fresh crater in Hellespontus

This is a textbook example of a morphologically fresh and simple impact crater. At 1.3 kilometers in diameter, this unnamed crater is only slightly larger than Arizona‚Äôs Barringer (aka Meteor) Crater, by about 200 meters. Note the simple bowl shape … Continue reading

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