Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
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The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
The earth travels through space at 660,000 miles per hour.
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The population of the Earth has more than doubled since 1950.
151
Astronauts get taller when they are in space.
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