An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
The earth is .02 degrees hotter during a full moon.
157
Summer on Uranus lasts for 21 years.
358
Astronauts cannot burp in space.
232
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
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
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221