"This book examines what planets in our solar system offer the potential for space exploration and possible habitation, and what space travel looks like presently and in the future"--Provided by publisher.
Examines what planets in our solar system offer the potential for space exploration and possible habitation, and what space travel looks like presently and in the future.
"Dr. Dave Williams, a former astronaut, informs young readers about the training, education, and qualities that are needed to become an astronaut."--Publisher.
