dunes

May 10, 2012

So beautiful

A piece of Mars: The dunes can be so beautiful on Mars. What a lovely vacation spot this would be, provided you brought a large supply of oxygen, food, and a heat source to keep you warm. (HiRISE ESP_026416_1620)
May 9, 2012

Sand, wind, and dust

A piece of Mars: This is what dunes look like in the deepest part of Mars, where the air is full of bright dust that constantly settles out onto everything. The wind helps to clear off the sand dunes (blue […]
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 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 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 […]
April 29, 2012

Echoes of the past

These dunes are quite unusual for Mars, and difficult to interpret. The thick blue and white stripes are dunes in their current location, but subtle stripes above them seem to indicate former positions of dunes, small pieces that got left […]