If two pieces of metal touch in space, they become permanently stuck together.
808
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
Astronauts get taller when they are in space.
224
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
The ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
11
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82