A photo-illustrated book for elementary readers about robots in space. Describes why robots are better suited for the perils and risks of space travel, the data they are able to send back to Earth, and the information we have learned about space. Describes the history of sending robotic machines into outer space, some current missions on Mars and following comets, and the future applications robotic technology may have. Includes Q&A feature, glossary, index, and further resources.