Where Does Dust Come From?

Dust

Housekeepers spend a good deal of time dusting.  Dust settles from the air and makes a gray coating over everything around us.  

Dust is more that just specks of dirt.  In the ordinary dust you could collect from a windowsill, you would find tiny chips of rock, bits of dead wood and dried leaves.  

Dust may also have in it spores from plants, pollen from the powder in flowers, spot from smoke, cinders left from meteors burning up on their way to earth, and other bits of matter that float in the air.  Dust may drift hundreds of miles before finally setting because of gravity.-Dick Rogers