A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
Summer on Uranus lasts for 21 years.
358
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Some asteroids have other asteroids orbiting them.
131
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9