All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
The population of the Earth has more than doubled since 1950.
151
Pluto is smaller than Russia.
9
The Earth gets 100 tons heavier every day due to falling space dust.
673
If two pieces of metal touch in space, they become permanently stuck together.
808
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
Astronauts cannot burp in space.
232