Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Sound doesn't travel in space.
255
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
The sun is 330,330 times larger than the earth!
190
The earth travels through space at 660,000 miles per hour.
189
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147