What's Out There draws upon discoveries by the most recent space probes, bringing together more than 150 breathtaking images of the universe - from close-ups of the surface of Mars to the far reaches of space. Structured alphabetically for ease of use, the journey includes highlights such as a volcano on Jupiter's satellite Io, nebulas in Orion's belt, and the birth-pangs and death-throes of the stars. For each topic covered there is concisely accessible expert commentary, and for each photograph a caption with a data box providing key facts.