Ten Minute Podcast

In general relativity, an event horizon is a boundary in spacetime beyond which events cannot affect an outside observer. In layman's terms, it is defined as the shell of "points of no return.” I.E., the points at which the gravitational pull becomes so great as to make escape impossible. Source: Wikipedia   Subscribe, rate and review on iTunes and be sure to follow us on Twitter and Facebook.   TenMinutePodcast.com