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Of Interest: This image, captured by the Narrow Angle Camera (NAC), shows a number of trails of small craters. These trails, called secondary crater chains, are formed when ejecta from an initial impact are launched outward. As the ejecta fall back onto the planet's surface, they can form their own, often overlapping, small craters.
Originally posted by sbctinfantry
The best way to expose elements on a rocky planet, cheaply, is to hit it with another rock. Analyze the compounds and see if it is worth mining. Sorry for errors posted from mobile. More later.