The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
Earth is the only planet in our solar system that's not named after a god or goddess.
17
The United States has paved enough roads to circle the Earth over 150 times.
72
A single speck of dust is half way in size between a subatomic particle and the Earth.
15