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Explore the complex interactions between stellar environments and planetary systems in this astrophysics seminar that examines how stellar winds, radiation pressure, and ionizing radiation shape planetary evolution. Delve into cutting-edge research on photoionization-driven atmospheric escape from metal-rich planetary atmospheres and discover a newly proposed observational signature of gas lost from hot Jupiters that may form tori around host stars with weak stellar winds. Learn how stellar radiation pressure dramatically alters the size distribution of atmospheric haze particles on highly-irradiated, low-gravity planets, fundamentally changing the scattering slope observed in atmospheric transmission spectra. Investigate the intriguing hypothesis that moving clumps of material observed in scattered light within AU Mic's debris disk may result from periodic inclination excitation of small grains by an embedded planet, followed by ejection due to stellar wind forces. Gain insights into the observable impacts of stellar environments on planetary atmospheres, debris disk structure, and the broader evolution of planetary systems through this comprehensive examination of stellar-planetary interactions.
