There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Astronauts cannot burp in space.
232
It 'snows' metal on Venus.
13
Summer on Uranus lasts for 21 years.
358
More than 20 million meteoroids enter Earth's atmosphere every day.
139
Some asteroids have other asteroids orbiting them.
131
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
Astronauts get taller when they are in space.
224