All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
The earth travels through space at 660,000 miles per hour.
189
Lightning strikes about 6,000 times per minute on this planet!
158
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4