Jeremy,

That famous talk by Glyn is here:

https://nickdjames.com/Meeting/20130518%20Comet%20Section/Talks/05%20-%20Marsh%20-%20DIY%20comet/

Nick.

On 23/08/2023 08:52, Jeremy Shears wrote:
> 
> The title of this preprint reminded me of our late friend Dr. Glyn Marsh, who created a comet nucleus at the 2013 BAA Comet Section meeting in Northampton. As Denis Buczynski remarked in Glyn’s obituary ( https://britastro.org/wp-content/uploads/sites/G%20Marsh.pdf) “[a]nyone who saw the demonstration will never forget it (including the very strong associated smell!)”.
>
>
> Chapter accepted for publication on February 24th 2023, now in press for the book Comets III, edited by K. Meech, M. Combi, D. Bockelee-Morvan, S. Raymond and M. Zolensky, University of Arizona Press on ArXiv: https://arxiv.org/abs/2308.11338
>
> Laboratory Experiments to Understand Comets
> Olivier Poch, Antoine Pommerol, Nicolas Fray, Bastian Gundlach
> In order to understand the origin and evolution of comets, one must decipher the processes that formed and processed cometary ice and dust. Cometary materials have diverse physical and chemical properties and are mixed in various ways. Laboratory experiments are capable of producing simple to complex analogues of comet-like materials, measuring their properties, and simulating the processes by which their compositions and structures may evolve. The results of laboratory experiments are essential for the interpretations of comet observations and complement theoretical models. They are also necessary for planning future missions to comets. This chapter presents an overview of past and ongoing laboratory experiments exploring how comets were formed and transformed, from the nucleus interior and surface, to the coma. Throughout these sections, the pending questions are highlighted, and the perspectives and prospects for future experiments are discussed.
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