It 'snows' metal on Venus.
13
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
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121