The Origins of the Elements

Dr Stephen Wilkins discusses the origins of the chemical elements. Almost all the elements have an origin in astrophysics from the Big Bang to neutron stars.

A lecture by Dr Stephen Wilkins, University of Sussex
07 November 2019 6PM GMT
https://www.gresham.ac.uk/lectures-and-events/periodic-table-150

In this talk, coinciding with the UNESCO International Year of the Periodic Table, Dr Wilkins will discuss the astrophysical origins of the chemical elements, almost all of which have an origin ranging from the big bang, to exploding white dwarfs, the collapse of massive stars, and the merger of ultra-compact objects, neutron stars. This final mechanism is responsible for many of the heaviest and rarest elements including gold, silver, and uranium, and was only recently confirmed through observations of a merger event first identified using gravitational waves.

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