There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
The earth travels through space at 660,000 miles per hour.
189
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
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
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277