Jun 9th: Astronomers Without Borders by WSH team | Jun 9, 2017 | Weekly Space Hangout The 3rd detection of gravitational waves and more about Astronomers Without Border read more
September 25th: Modern Telescopes and Observation Techniques by The Adler Planetarium | Sep 25, 2009 | Adler Planetarium, Podcast read more
July 26th: Gravity Wave Astronomy by Ivan Semeniuk | Jul 26, 2009 | Dunlap Institute for Astronomy and Astrophysics, Podcast, University of Toronto read more