The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Astronauts cannot burp in space.
232
A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
5
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Only 55% of Americans know that the sun is a star.
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