João Lousada, a flight controller for the International Space Station, wears an experimental space suit during a simulation of a future Mars mission in the Dhofar desert of southern Oman. (AP Photo/Sam McNeil)

João Lousada, a flight controller for the International Space Station, wears an experimental space suit during a simulation of a future Mars mission in the Dhofar desert of southern Oman. (AP Photo/Sam McNeil)

Mars on Earth: Simulation tests in remote desert of Oman

200 scientists will be there field-testing technology for a manned mission to the red planet.

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