The moon is actually moving away from Earth at a rate of 1.5 inches per year.
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Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
Sound doesn't travel in space.
255
If two pieces of metal touch in space, they become permanently stuck together.
808
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10