boulder

Tumblin’ down

This image was targeted to cover part of a small “chaos” terrain, where there are lots of steep slopes. A closeup shows a boulder or block casting a long shadow, at the end of a…


Boulder here, boulder there

Mars shows us some tracks of boulders rolling off slopes: The original rationale behind this observation was to examine the slopes for changes since an earlier image in the same location. However, a feature that…