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Mercury's orbital speed is the fastest of all the planets.

Mercury travels around the Sun at about 170,000 kph. This is about 35% or 44,000 kph faster than Venus' orbital velocity—the second fastest—of 126,000, and 57% or 62,000 kph faster than Earth's orbital speed of 108,000 kph.

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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?

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Building Blocks

Building blocks sure looks easy: just put the puzzle pieces together. But sometimes, they don't end up fitting the way you think...


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