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- W3170872108 abstract "<p>We are now entering an era of rocky exoplanet detection. To determine whether an exoplanet is &#8216;Earth-like&#8217;, we must estimate not only its mass, radius and insolation, but also its geological composition. These geological constraints have wide ranging implications, not least for a planet&#8217;s subsequent evolution and habitability.</p><p>Polluted white dwarfs which have accreted fragments of planetary material provide a unique opportunity to probe exoplanetary interiors. We can also learn about their formation histories, including the geological process of core-mantle differentiation.</p><p>Cr, Ni and Fe behave differently during differentiation, depending on the conditions under which it occurs. This alters the Cr/Fe and Ni/Fe ratios in the core and mantle of differentiated bodies. The pressure inside the body is a key parameter, and depends on the body&#8217;s size.</p><p>In our work, we present a novel approach for modelling this behaviour and use it to gain crucial insight into the sizes of exoplanetary bodies which pollute white dwarfs.</p>" @default.
- W3170872108 created "2021-06-22" @default.
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- W3170872108 date "2021-03-04" @default.
- W3170872108 modified "2023-09-27" @default.
- W3170872108 title "Chromium, Nickel and Iron as clues to the formation histories of exoplanetary bodies" @default.
- W3170872108 doi "https://doi.org/10.5194/egusphere-egu21-12909" @default.
- W3170872108 hasPublicationYear "2021" @default.
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