This week the shows include: Apr 21: The Trans-en-Provence UFO Case by Michel Abrassart; Apr 22: Seeing With the Lens of Gravity by Matthew Francis; Apr 23: Encore: John Glenn’s Fireflies and the Astronauts’ Constellation by Robert Pearlman; Apr 24: Dusty Mysteries by The Witty Astronomers; Apr 25: Goodbye, Pioneer Anomaly by Kate Becker; Apr 26: Tracing Planetary Atmospheric Evolution Using Isotopes from Life by Adam Fuller; Apr 27: The Yuma Star Party by Rob Sparks.