Pluto is smaller than Russia.
9
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
The earth is .02 degrees hotter during a full moon.
157
The heart of an astronaut actually gets smaller when in outer space.
216
Sound doesn't travel in space.
255
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14