In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
According to a study by the National Science Foundation, only half of Americans believe in evolution, and one in 4 don't know that the Earth orbits the Sun.
14
According to a 2011 poll, 32% of Russians believe that the Sun orbits Earth.
11
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
The United States has paved enough roads to circle the Earth over 150 times.
72
The earth is approx. 6,588,000,000,000,000,000 tons.
175