Only 55% of Americans know that the sun is a star.
986
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
Lightning strikes about 6,000 times per minute on this planet!
158
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
31
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221