Apollo 17 astronauts drove a moon buggy across the lunar surface in 1972, measuring gravity with a special instrument. There are no astronauts on Mars, but a group of clever researchers realized they ...
At the top of the incline, hit the turbo and jump over the embankment to the roadway. Take a quick right and go up the hill to meet up with the road again. At the top, there is a shack surrounded by ...
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