A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
Only 55% of Americans know that the sun is a star.
986
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
Astronauts get taller when they are in space.
224
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
Venus is the only planet that rotates clockwise.
310
The earth rotates more slowly on its axis in March than in September.
145