Quasars: Patrick Moore talks to Professor Alec Boksenberg about quasars, the strange, super-luminous objects which have set astronomers so many problems since they were first identified less than 20 years ago.
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Quasars: Patrick Moore talks to Professor Alec Boksenberg about quasars, the strange, super-luminous objects which have set astronomers so many problems since they were first identified less than 20 years ago.