Pluto is smaller than Russia.
9
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
The heart of an astronaut actually gets smaller when in outer space.
216
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
The Earth gets 100 tons heavier every day due to falling space dust.
673
It takes eight and a half minutes for light to get from the sun to earth.
159
The light hitting the earth right now is 30 thousand years old.
163
Buzz Aldrin’s mother’s maiden name was Moon.
9