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
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
Earth is the only planet in our solar system that's not named after a god or goddess.
17
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
According to a 2011 poll, 32% of Russians believe that the Sun orbits Earth.
11
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
A single speck of dust is half way in size between a subatomic particle and the Earth.
15