The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
Astronauts get taller when they are in space.
224
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
It takes eight and a half minutes for light to get from the sun to earth.
159
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Only 55% of Americans know that the sun is a star.
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