An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
Pluto is smaller than Russia.
9
More than 20 million meteoroids enter Earth's atmosphere every day.
139