It 'snows' metal on Venus.
13
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The earth travels through space at 660,000 miles per hour.
189
The heart of an astronaut actually gets smaller when in outer space.
216