The Earth gets 100 tons heavier every day due to falling space dust.
673
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Pluto is smaller than Russia.
9
Sound doesn't travel in space.
255
Jupiter is bigger than all the other planets combined.
254
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118