Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
Astronauts cannot burp in space.
232
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
Pluto is smaller than Russia.
9
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20