There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
The earth rotates more slowly on its axis in March than in September.
145
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
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
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
It takes eight and a half minutes for light to get from the sun to earth.
159
It 'snows' metal on Venus.
13