Astronauts cannot burp in space.
232
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
More than 20 million meteoroids enter Earth's atmosphere every day.
139
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
Sound doesn't travel in space.
255