The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
Pluto is smaller than Russia.
9
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
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
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46