Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
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The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
Lightning strikes about 6,000 times per minute on this planet!
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The sun puts out more power in 1 second than mankind has ever used within human existence.
14
Jupiter's moon Ganymede, is larger than the planet Mercury!
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More than 20 million meteoroids enter Earth's atmosphere every day.
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