Sound doesn't travel in space.
255
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
Astronauts cannot burp in space.
232
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
Buzz Aldrin’s mother’s maiden name was Moon.
9
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14