The heart of an astronaut actually gets smaller when in outer space.
216
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
Some asteroids have other asteroids orbiting them.
131
The sun is 330,330 times larger than the earth!
190
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Summer on Uranus lasts for 21 years.
358
A 100-pound person on Earth would weigh 38 pounds on Mars.
102