A 100-pound person on Earth would weigh 38 pounds on Mars.
102
The population of the Earth has more than doubled since 1950.
151
Jupiter is bigger than all the other planets combined.
254
The earth rotates more slowly on its axis in March than in September.
145
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16