The Voyager spacecraft that toured through the giant planets of the Solar System, Jupiter's Galileo orbiter and the Cassini-Huygens mission to Saturn and Titan have given us wonderful views of these most beautiful planets and shown us, in Titan, a world that is surprisingly like our Earth - but at - 180? Celcius!

All our lectures are available for free download from the Gresham College website, in video, audio or text formats: gresham.ac.uk
Gresham College professors and guest speakers have been giving free public lectures in central London since 1597. This tradition continues today and you can attend any of our lectures, or watch or listen to them on our website.
Website: gresham.ac.uk
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