Astrophysics Seminar

Weak lensing and cosmology

Bhuvnesh Jain

I will motivate current work in weak gravitational lensing with cosmic and astrophysical puzzles. The evolution of dark energy, the growth of structure and feedback from supermassive black holes are some of the debated questions. I will describe how...

How Cold Neptunes Shape Planetary Systems

Cristobal Petrovich

Cold Neptunes appear to be among the most abundant planets in the Galaxy, yet their role in shaping planetary systems remains poorly understood. We study the dynamical evolution of cold Neptune systems born in resonant chains through disk-driven...