The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
Two golf balls on the moon
There are two golf balls sitting on the moon.
More Science Facts
Size of Dust
Temperature of the earth in deep
The temperature of the earth's interior increases by 1 degree every 60 feet down.
Moon is moving away from Earth
The moon is actually moving away from Earth at a rate of 1.5 inches per year.