The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
If two pieces of metal touch in space, they become permanently stuck together.
808
Some asteroids have other asteroids orbiting them.
131
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The light hitting the earth right now is 30 thousand years old.
163
Mars had an oxygen-rich atmosphere around 4 billion years ago
13