A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
More than 20 million meteoroids enter Earth's atmosphere every day.
139
Astronauts get taller when they are in space.
224
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
It takes eight and a half minutes for light to get from the sun to earth.
159
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15