All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
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 temperature of the earth's interior increases by 1 degree every 60 feet down.
115
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
Summer on Uranus lasts for 21 years.
358
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277