The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
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The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14