Public lecture as a part of the Carnegie Observatories 2015 Spring Lecture Series A Noise Within Theater, Pasadena, CA, March 30, 2015 Dr. John Mulchaey, Director of The Carnegie Observatories The light we see with our eyes only tells a small part of the Universe’s story. To get a complete picture of how the Universe works, astronomers must study objects over the full range of light, the electromagnetic spectrum. This includes gamma rays, X-rays, ultraviolet, visible, infrared, micro- waves and radio waves. Each type of light requires different instruments, and provides unique information about the source that emitted it. Dr. Mulchaey will explain how Carnegie astronomers and their colleagues are combining observations across the electromagnetic spectrum to help solve the mysteries of the Universe. Partial funding for Carnegie Observatories’ 2015 Astronomy Lecture Series was provided by The Kenneth T. and Eileen L. Norris Foundation. The lectures were hosted by A Noise Within ( Video production of the Lecture Series by Neighbors Video Services ( #MWUniverse