June 30th: It’s All About the Reference Frames by Kenneth Johnston | Jun 30, 2009 | Podcast, United States Naval Observatory read more
June 11th: Round, Round, Round We Go by Larry Sessions | Jun 11, 2009 | JPL Solar System Ambassadors, Podcast read more
April 8th: Drifting Through the Zodiac by Christopher Crockett | Apr 8, 2009 | Lowell Observatory read more
February 27th: The Dawning of the Age of Aquarius. Or is it? (Astrology Part 1) by Patrick McQuillan | Feb 27, 2009 | Incorporated Research Institutions for Seismology (IRIS) read more