The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
Lightning strikes about 6,000 times per minute on this planet!
158
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
Astronauts cannot burp in space.
232
Pluto is smaller than Russia.
9
If two pieces of metal touch in space, they become permanently stuck together.
808
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
Astronauts get taller when they are in space.
224