(I'm sorry for my poor English.) I read a text that says the speed of recession of a distant galaxy can be greater than c, and it does not violate the special theory of relativity because that speed is not caused by the motion of the object (galaxy) relative to some coordinate system. Would it mean that when the coordinate system is moving (in this case it would be the space itself) the speed can be greater than c? In which cases Einstein's theory allows a speed greater than c? I remember I read something about it in Feynman's book.