Sound doesn't travel in space.
255
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
In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
31
A comet's tail always points away from the sun.
2
If two pieces of metal touch in space, they become permanently stuck together.
808
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6