Astronauts get taller when they are in space.
224
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
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
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
The heart of an astronaut actually gets smaller when in outer space.
216
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14