If two pieces of metal touch in space, they become permanently stuck together.
808
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
The population of the Earth has more than doubled since 1950.
151
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15