Sound doesn't travel in space.
255
The heart of an astronaut actually gets smaller when in outer space.
216
It takes eight and a half minutes for light to get from the sun to earth.
159
Astronauts cannot burp in space.
232
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9
Buzz Aldrin’s mother’s maiden name was Moon.
9
Mars had an oxygen-rich atmosphere around 4 billion years ago
13