The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
Today's top fuel dragsters take off with more force than the space shuttle.
120
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
Summer on Uranus lasts for 21 years.
358