Meet NASA inventor Robert Hoyt! He's here to introduce readers to technology capable of building large structures in space. Alongside Robert, readers will learn about how he and his team are developing a robotic technology to build spacecraft while in orbit. They'll learn about gravity, orbit, space exploration, additive manufacturing, and more. Students will learn about the process of technological design and the importance of space exploration. The Inventor Feature at the back of the book encourages readers to create their own inventions. For more information about interesting space inventions, check out other titles in the Out of This World series!