Guests: Fiorella Terenzi Astrophysicist Musician Author, "Heavenly Knowledge: An Astrophysicist Seeks Wisdom in the Stars" (Avon Books) Los Angeles, California Dave Finley Public Information Officer National Radio Astronomy Observatory Socorro, New Mexico F. Richard Moore Professor, Music Chairman, Department of Music University of California-San Diego San Diego, California For centuries, humans have been exploring space. We have charts and telescopes to look at the heavens. We have even walked on the moon, and brought rocks back. Today, some scientists are using their instruments to listen to space. This hour, we'll talk about how radio astronomers and a musician capture radio waves from space, and do very different things with them.