Galaxies to Atoms

Guest Speaker

Thursday, 5th December 2019 (19:45 - 22:00)

Venue: Meeting Room, Swinton Bottom Club (Formerly Swinton WMC)

Galaxies to Atoms

 

It is sometimes said that it takes a village to raise a child - meaning that a single family cannot possibly supply everything that a child needs to grow up into a happy, healthy, appropriately socialised adult.  In much the same way, it takes a galaxy to raise a world: a planet like the Earth, capable of supporting complex life, is not the product of a single star.  In this talk, I will show how atoms - the building blocks of worlds - need the size and age of a galaxy like the Milky Way to be present in the abundance that we see today.  We are, quite literally, stardust: apart from hydrogen, all the elements that make up you are present on the Earth because the Sun is heir to the products of past generations of stars, of many different types, with various different fates.

Speaker: Dr.Susan Cartwright

Dr Susan Cartwright graduated from Glasgow University with a BSc in Astronomy and Natural Philosophy (Physics, to most people - but if Natural Philosophy was good enough for Newton it was good enough for Glasgow!). 

She then did a PhD in particle physics, also at Glasgow, and worked in Hamburg, Germany and San Francisco before arriving in Sheffield in 1989.  She is currently working on neutrino oscillations with the T2K experiment in Japan(which, incidentally, doesn't have any evidence that neutrinos travel faster than light - though it does have evidence that accelerators don't much like earthquakes).

Sue

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