... Moon . ... Earth Satellites . ... You may think it doesnБЂ™t matter having all these tiny pieces of space debris floating about but you would be very wrong.б  They could be lethal! ... So imagine the damage it could do to the all-important space suits Sandra Bullock and George Clooney will be floating about in! ... They may sound small but they cause much of the weathering that happens in space and when these particles all gang up and create high speed cosmic dust clouds , things can get nasty! ...