Astronauts cannot burp in space.
232
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
More than 20 million meteoroids enter Earth's atmosphere every day.
139
Venus is the only planet that rotates clockwise.
310
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
If two pieces of metal touch in space, they become permanently stuck together.
808