May

May 6, 2012

High summer near the north pole of Mars

A piece of Mars: It’s high summer in the northern hemisphere of Mars. Here, dark dunes near the north pole have finally lost the seasonal ice that blankets them and turns them white for most of the year. For a […]
May 4, 2012

New duties

Today I became the deputy manager of the Planetary Landscapes Facebook page. Looks like it will be fun, and I hope it won’t take up too much time. I do like the idea of sharing all of the beauty of […]
May 3, 2012

Colors and waves

A piece of Mars: Here are some lovely ripples on Mars. In the same field of ripples, there are large wavy white ones and small complex blue ones. Why are there two different types, made distinct by their color, size, […]
May 2, 2012

Mars’ moving dunes

                    A piece of Mars: Today’s image comes courtesy of my postdoc, Simone Silvestro. He’s studying migrating dunes and has made a 3 image movie of a dune moving across the […]
May 2, 2012

The things we do for science.

I just submitted a review of a very long paper. In science we spend a good amount of time doing “peer review”, which means we look over every piece of work to be published by our colleagues to try to […]
May 1, 2012

Mottled dunes near Curiosity’s landing site

A piece of Mars: Mottled dunes hint at different wind gusts, in this field of dunes located near the landing site for the next rover to go to Mars (named Curiosity). The bluish areas are most likely the more recently […]