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
There are two golf balls sitting on the moon.
721
Lightning strikes about 6,000 times per minute on this planet!
158
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175