February

February 21, 2014

Guest blog for The Planetary Society

See my guest blog for The Planetary Society on the difference between ripples and dunes.
February 17, 2014

HiRISE image caption for Curiosity

A piece of Mars: Last week I wrote an image caption for Curiosity, showing both the HiRISE perspective and Curiosity’s image of the ripple crossing Dingo Gap. Read more on the HiRISE image page.
February 10, 2014

Yes, this is a bit of windy Mars. Really.

A piece of Mars: Yep, this is really Mars. It’s a tiny bit (600×450 m) of the southwestern side of a large dune in the southern midlatitudes. The dark lines are furrows that are thought to be carved by blocks […]