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This image shows a concept model of NASA's orbiting sample container, which will hold tubes of Martian rock and soil samples that will be returned to Earth through a Mars sample return campaign. At right is the lid; bottom left sits a model of the sample-holding tube. The sample container will help keep contents at less than about 86 degrees Fahrenheit (30 degrees Celsius) to help preserve the Mars material in its most natural state. NASA and the European Space Agency (ESA) are solidifying concepts for a Mars sample return mission after NASA's Mars 2020 rover collects rock and soil sample…
