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Mars Climate Orbiter Stories

Establishing Crew Exposure Limits of Martian Dust
5 min read

Background Human exploration of Mars will expose crews to a persistent, fine particulate environment whose physicochemical properties and health implications remain only partly understood. Because no samples of authentic Martian airborne dust have been returned to Earth, NASA must rely…

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Mars Climate Orbiter MARCI Approach Image
2 min read

This image is the first view of Mars, a dusty rose in the distance, taken by the Mars Climate Orbiter (MCO) on 7 September 1999 when the spacecraft was approximately 4.5 million kilometers (2.8 million miles) from the planet.

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