If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17
The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
The light hitting the earth right now is 30 thousand years old.
163
Earth is the only planet in our solar system that's not named after a god or goddess.
17
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
In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25