Mars had an oxygen-rich atmosphere around 4 billion years ago
13
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Astronauts cannot burp in space.
232
More than 20 million meteoroids enter Earth's atmosphere every day.
139
The earth travels through space at 660,000 miles per hour.
189
In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
31
It takes eight and a half minutes for light to get from the sun to earth.
159