In your statement that information/macroscopic objects are observable at the event horizon, I assume you mean a diminishing horizon? It seems counter-intuitive to accept that an expanding horizon would allow the same lattitude. I'm uncertain if the strong impact of the black hole on spacetime and the dynamics of the situation prevents a grandfather paradox (I assume there is some analytic work supporting this?) nor if a grandfather paradox exists. The grandfather paradox states that past events are unchangeable from the future perspective but I don't see this as a problem or paradox. An independent enactor from a future time could theoretically could impact -t. Only the assumption that the original enactors time reference is fixed creates problems. From the enactors standpoint, the new time reference is -t nor will the matter comprising the enactor simply disappear due to future perturbations. In any event, calling the information paradox a pseudo-paradox does seem fitting assuming the special condition that allows a particle on the horizon to be observable.

• Re: Black Hole Endings - Zephram_Cochrane/">Zephram Cochrane - October 5, 1999 - 07:36 UTC