Sound moves faster in water…? We may need fish to get us to Mars…? There was a robot in the 15th century…? Here are fun facts about science… WATCH OUR OTHER VIDEOS: ►25 Shocking Scientific Predictions ...

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How far it is from the sun: 886 million miles (1.4 billion kilometers), on average How big it is: 72,400 miles (116,500 km) across, or almost 10 times the size of Earth. How many moons it has: At ...