The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
More than 20 million meteoroids enter Earth's atmosphere every day.
139
The heart of an astronaut actually gets smaller when in outer space.
216
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
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6