Weekly Space Hangout: September 16, 2020 – Dr. Merav Opher Discusses the Shape of the Sun’s Heliosphere

Tonight we are pleased to welcome Dr. Merav Opher, Professor from the Astronomy Department of Boston University and the Director of the SHIELD (Solar wind with Hydrogen Ion charge Exchange and Large-Scale Dynamics) DRIVE* Science Center. Using data from NASA’s planetary science missions, SHIELD scientists use data/computer modeling to predict the characteristics of our Sun’s heliosphere. Historically, the heliosphere has been thought to be comet-shaped. However, a paper published in March, 2020, in Nature Astronomy with Dr. Opher (as lead author) and the team from SHIELD present an alternative shape for the heliosphere: one that does not include this tail, but rather resembles a “deflated croissant.” Read More

Weekly Space Hangout: September 9, 2020 – Dr. Katie Mack Discusses “The End of Everything”

Welcome to the Season Premiere for the new season of the Weekly Space Hangout! We had a productive – and yes, restful – two months during our hiatus, but it is great to be back with everyone! For tonight’s season premiere, we are excited to welcome Astrophysicist Dr. Katie Mack to the show. Katie has just released her first book, “The End of Everything (Astrophysically Speaking)”, in which she takes readers on a “tour of five universe-ending possibilities proposed by cosmologists, narrating each with a wit and humor that will—almost—make you forget about what the end times means for us.” Read More