Summary: Up-to-date night sky activity beginning August 18, 2009 through August 31, 2009 In this episode: Nancy speaks with astronomer Vera Rubin. In the spring of 2009, Dr. Rubin was presented with a Lifetime Achievement Award, from the Adler Women's Board, in recognition of her pioneering work on galaxy rotation rates. Her discovery of "flat rotation curves" is the most direct and robust evidence of dark matter (as of 2004).
