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Astrophysics Colloquium

Volatiles in Planetary Interiors
Presented by Laura Schaefer
Geological Sciences Department, Stanford University

Thursday, January 23, 2020
11:00 A.M. in 169-336
Abstract
Volatiles that are typically found in a rocky planet's atmosphere and hydrosphere are also soluble in silicate melts. Under extreme conditions, the interaction between volatiles-in-melt and atmospheres can have a significant influence on the planet's evolution. I will discuss how these interactions influence the location of a planet on the mass-radius diagram, the longevity of a planet's atmosphere, and the overall composition of the atmosphere. I will discuss implications for observable exoplanet atmospheres, biosignatures and tie it all back to the evolution of the early Earth.

JPL Contact: Tiffany Kataria (3-4935)


SVCP Astrophysics


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