An esteemed panel of astronomers, historians, and engineers explore astronomy's fantastical theories and fascinating discoveries with moderator and Caltech university archivist Peter Sachs Collopy. Panelists include Tracy Drain, JPL Psyche mission deputy project systems engineer; Eun-Joo Ahn, astrophysicist and graduate student in history at UCSB; W. Patrick McCray, professor of history at UCSB; and John Mulchaey, Crawford H. Greenewalt Chair and Director of the Carnegie Observatories.