Astronauts cannot burp in space.
232
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
5
Today's top fuel dragsters take off with more force than the space shuttle.
120
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
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