The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
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
The Earth gets 100 tons heavier every day due to falling space dust.
673
Sound doesn't travel in space.
255
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
Today's top fuel dragsters take off with more force than the space shuttle.
120
Summer on Uranus lasts for 21 years.
358