The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
Astronauts cannot burp in space.
232
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
Jupiter's moon Ganymede, is larger than the planet Mercury!
149