Released: 20 March 2020 Duration: 31 minutes, 42 seconds   Astronomer David Blank responded to our invitation to comment on the Villarroel+ paper we covered in Episode 41, which he describes as "very fascinating."   Links The VASCO project: I. USNO objects missing in modern sky surveys and follow-up observations of a "missing star" Dorrit Hoffleit  and her autobiography: Misfortunes as Blessings in Disguise Bradley Schaefer and the Harvard Plates Josh Grindlay, PI of DASCH The Very Large Array Sky Survey The VASCO Citizen Science Project   Credits: Host and Producer: Paul Carr Music: Lloyd Rogers