If two pieces of metal touch in space, they become permanently stuck together.
808
Sound doesn't travel in space.
255
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
The earth travels through space at 660,000 miles per hour.
189
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
Summer on Uranus lasts for 21 years.
358