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From Planets to Universes

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Part of the TMS Symposium

Improved astronomical instruments have revealed a rich variety of new phenomena: most stars are known to be orbited by retinues of planets; huge black holes lurk in the centres of galaxies; the dominant force in the expanding universe is a mysterious ‘push’ that overcomes normal gravity. Computer simulations are now powerful and realistic enough to be crucial in modelling these phenomena. To extend the limits of our understanding will require a ‘unified’ theory—and we need to take seriously the idea that space is hugely more extensive than the domain we can actually observe.

This talk is part of the Trinity Mathematical Society series.

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