Merits of a Locality Sample (2002)

Mars Sample Return (MSR) plans prior to the 1980s typically called for collection of samples using scoops, rakes, sticky tapes and plates, drills, and other collection devices mounted on a stationary Mars lander. That is, they would sample only where the MSR lander happened to set down.

Merits of a Locality Sample (2002) Beginning in the 1980s, MSR plans increasingly called for a highly capable automated rover that would wander far over the martian surface collecting a diverse suite of samples. By the 1990s, this came to be widely viewed as an MSR mission requirement. Advocacy efforts by planetary rover engineers at the Jet Propulsion Laboratory in Pasadena, California, played a key role in this perceptual shift.

In May 2002, five scientists with the Astromaterials Research and Exploration Science (ARES) Office at NASA’s Johnson S...

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