Only 55% of Americans know that the sun is a star.
986
Venus is the only planet that rotates clockwise.
310
The earth travels through space at 660,000 miles per hour.
189
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
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
If two pieces of metal touch in space, they become permanently stuck together.
808