The Sky at Night — Episode 6: The Depths of Space

You are watching the episode The Depths of Space Astronomers in Australia have just discovered an object which may be the most remote and luminous known to man. It is a quasar, apparently 13,000 million light years from us. Yet some astronomers have their doubts and believe that there have been serious errors in interpretation. Patrick Moore talks about the quasar problem and sums up what we have so far found out about these remarkable objects.