The two Mars Exploration Rovers have both seen their fair share of craters in their five years on Mars. Opportunity is currently booking it across Meridiani Planum on her way to Endeavour Crater, an ancient, huge hole in the ground (22 kilometers (13.7 miles across). But recently she came across the youngest crater either rover has ever seen. This crater is “young,” in relative terms; scientists say this small crater called “Resolution” formed sometime in the past 100,000 years. Most features studied by Opportunity are much older, including rocks over 3 billion years old. In contrast to these seniors, Resolution is just a baby.
Full article by Nancy Atkinson on Universe Today
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