The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
It 'snows' metal on Venus.
13
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
If two pieces of metal touch in space, they become permanently stuck together.
808