The primary purpose of the passage is to A. cast doubts on existing reports of secondary occultations of stars B. describe experimental efforts by astronomers to separate theoretically believable observations of satellites of asteroids from spurious ones C. review the development of ideas among astronomers about whether or not satellites of asteroids exist D. bring a theoretician's perspective to bear on an incomplete discussion of satellites of asteroids E. illustrate the limits of reasonable speculation concerning the occultation of stars