When the first astronauts set foot on Mars, they'll need to be able to find their way around without the aid of GPS. To this end, Britain's Ordnance Survey (OS) has released its first map of another ...
The British mapping agency Ordnance Survey has created a map of the Martian surface using precision NASA data — and it's beautiful. PHOTOS: Tour 'The Martian' Movie Set… On Mars As an avid hiker when ...
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