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This conference talk by Anjali Piette from the University of Birmingham explores how the James Webb Space Telescope (JWST) can be used to determine the compositions of close-in exoplanets. Recorded during the "Planets on the Edge" conference at the Kavli Institute for Theoretical Physics (KITP) at UC Santa Barbara in May 2025, the 38-minute presentation addresses the nature of thousands of short-period exoplanets discovered by missions like Kepler and TESS. Learn about Earth-sized rocky planets with no Solar System counterparts and how JWST observations are advancing our understanding of their formation, evolution, and atmospheric properties. The talk contributes to broader conference themes examining whether these planets form in situ or migrate inward, what parameters vary between star systems, and why similar planets don't exist around our Sun. This presentation is part of a collaborative effort bringing together experts in exoplanet demographics, protoplanetary disks, planet formation models, and meteoritics.
