Pluto is smaller than Russia.
9
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
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
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4