It takes eight and a half minutes for light to get from the sun to earth.
159
Today's top fuel dragsters take off with more force than the space shuttle.
120
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
Only 55% of Americans know that the sun is a star.
986
It would take more than 150 years to drive a car to the sun.
569
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
41% of the moon is not visible from earth at any time.
103