Astronauts cannot burp in space.
232
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
Buzz Aldrin’s mother’s maiden name was Moon.
9
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
There are two golf balls sitting on the moon.
721
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
More than 20 million meteoroids enter Earth's atmosphere every day.
139