The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
The light hitting the earth right now is 30 thousand years old.
163
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
18
If two pieces of metal touch in space, they become permanently stuck together.
808
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
A comet's tail always points away from the sun.
2