In 1963, the US Military created an artificial ring around Earth, similar to that of the planet Saturn. The ring was made of copper needles and was used for worldwide communications in the case that the Soviets disabled all other methods of communication.
26
Earth is the only planet in our solar system that's not named after a god or goddess.
17
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
The United States has paved enough roads to circle the Earth over 150 times.
72
If Earth's history was condensed into twenty-four hours, life would've appeared at around 4am, land plants at 10:24pm, dinosaur extinction at 11:41pm, and human history would’ve began at 11:58:43pm.
21
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
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
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15