It can extend to any place far from its center of mass. This extension does not require time, for in a local system, no time is necessary to reach any point of the system. It is an inside-world as our mind. The extent of our experience of it seems to control our perception of the speed of it's passage. The child may be 5yrs.
Perception depends upon consciousness.
They seem to be dependent on each other. A very interesting set of problems addressed with the sort of intelligent enthusiasm that eventuates in exciting theory. Some folks working say entirely in topology may not be apprised of a lot of the physics. There is a lot going on here. It is places such as this little web site that will most likely pioneer the new idesas that drive science, a pursuit which like philosophy is threatened by institutional ossification.