DETLEV VAN RAVENSWAAY / SCIENCE PHOTO LIBRARY DETLEV VAN RAVENSWAAY / SCIENCE PHOTO LIBRARY
Mars balloon exploration. Artwork of an unmanned balloon rising from the Martian surface at sunrise. This could be a future method of exploring Mars. The balloon would float during the day and gather weather data. At night, it would descend and allow instruments (suspended from the balloon) to analyse the soil. Such a balloon was to have been launched as part of the 1994 and 1996 Russian missions to Mars, but the missions failed due to technical difficulties and lack of funding.
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