Explores the composition, origin, and tail formation of comets, shedding light on the forces shaping their trajectories and their relevance to star formation.
Explores dispersion relations, system responses to perturbations, and the stability of rotating systems, focusing on the origin of spiral structures in galaxies.
Explores the classification and statistics of AGN, black holes, unified AGN model, variability, megamasers, orbital motion measurement, and time-delay cosmography.
