In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
Ants make up 1/10 of the total world animal tissue. The total biomass of all the ants on Earth is about equal to the total biomass of all the people.
85
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
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
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
The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
A single speck of dust is half way in size between a subatomic particle and the Earth.
15