One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
More than 20 million meteoroids enter Earth's atmosphere every day.
139
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 two pieces of metal touch in space, they become permanently stuck together.
808
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
Summer on Uranus lasts for 21 years.
358