Pioneer 11 photographs Saturn

Sir Patrick Moore and his guest Dr Garry Hunt of University College London discuss Pioneer 11's arrival at Saturn in 1979. It took the first close-up photographs of Saturn, saw Jupiter's Great Red Spot and returned data about the solar wind. Like Pioneer 10, a major part of the probe's mission was to discover potential hazards awaiting later missions such as the Voyager 1 and 2 probes.

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