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The Sky at Night
Season 27 · Episode 13
The Black Hole Weigh-In
0.0December 11, 1983
Black holes are almost certainly the most bizarre objects known. They cannot be seen but they betray their presence by their effects upon more normal stars. Now, for the first time, there has been an opportunity to weigh one of these strange objects. Patrick Moore talks about the latest developments with Dr Michael Penston.