The sun puts out more power in 1 second than mankind has ever used within human existence.
14
The light hitting the earth right now is 30 thousand years old.
163
41% of the moon is not visible from earth at any time.
103
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
A 100-pound person on Earth would weigh 38 pounds on Mars.
102