It takes eight and a half minutes for light to get from the sun to earth.
159
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
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Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
The heart of an astronaut actually gets smaller when in outer space.
216
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
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.
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