A 100-pound person on Earth would weigh 38 pounds on Mars.
102
Astronauts get taller when they are in space.
224
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
Jupiter is bigger than all the other planets combined.
254
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The Earth gets 100 tons heavier every day due to falling space dust.
673