Summer on Uranus lasts for 21 years.
358
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
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
A comet's tail always points away from the sun.
2
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
Jupiter is bigger than all the other planets combined.
254