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Most of Jupiter's moons are less than 5 km across.

Of Jupiter's moons discovered so far, 55 of them are less than 5 km in diameter, or about 15.7 km in circumference. Assuming 15 minutes per km, and of course ignoring the effects of gravity (and the fact that there wouldn't be any air) a person could walk around one of these moons in about 235.5 minutes— just under 4 hours.

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We're trying to get some mobile games up and running, but unfortunately our flash games don't work on phone or tablet. How about some hilarious science jokes instead?

Jump Puzzle

Jump as many marbles as you can to remove them from the board.


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