The heart of an astronaut actually gets smaller when in outer space.
216
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
The population of the Earth has more than doubled since 1950.
151
Astronauts cannot burp in space.
232
Buzz Aldrin’s mother’s maiden name was Moon.
9