The heart of an astronaut actually gets smaller when in outer space.
216
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
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
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127