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28 September 2011

How do we know where rovers are on Mars?

The other day, my brother posted a very good question as a comment, and I thought it would be worth dedicating a full post to the answer. So watching this made me wonder how you keep track of the rover(s) once they’re on mars. Is it done with a sort of GPS? Triangulating with things seen in orbital images? Directly taking pictures of the rover with orbital cameras (can they …