A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
If two pieces of metal touch in space, they become permanently stuck together.
808
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
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
More than 20 million meteoroids enter Earth's atmosphere every day.
139
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277