An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Lightning strikes about 6,000 times per minute on this planet!
158
Astronauts get taller when they are in space.
224
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10