It is generally believed that the rings around the planet Uranus were discovered during an occultation experiment in 1977. Remarkably, however, the first possible observations of a ring around Uranus may have been made by William Herschel some 180 years earlier. This talk discusses the evidence, and then considers the factors that might have changed to prevent further observations of the rings.
Dr David Tsang was born in Canada, and did his undergraduate degree in Engineering Physics and Maths at the University of British Columbia, followed by a Masters and PhD in Physics at Cornell University. He has worked as a research scientist at Caltech, McGill University, the University of Maryland and the University of Southampton. He is now a Lecturer in the department of Physics at the University of Bath specializing in theoretical astrophysics.