Dr. Becky Smethurst is an astrophysicist and research fellow at the University of Oxford. Her current research is focused on the question of how galaxies and black holes evolve together. Her weekly YouTube videos explain unsolved cosmological mysteries, weird objects found in space, and general space news. Dr. Smethurst also presents physics videos for the YouTube channel Sixty Symbols and astronomy videos for Deep Sky Videos. She was shortlisted for an Early Career Physics Communicator Award by the Institute of Physics and was named Audience Winner in the UK national finals of the FameLab competition. Justin Van Genderen is an illustrator and artist whose work is inspired by science, space, and imagination.