The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
Buzz Aldrin’s mother’s maiden name was Moon.
9
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
The earth rotates more slowly on its axis in March than in September.
145
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147