The population of the Earth has more than doubled since 1950.
151
Sound doesn't travel in space.
255
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
The sun is 330,330 times larger than the earth!
190
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160