Beloved science commentator Bob McDonald takes us on a tour of our galaxy, unraveling the mysteries of the universe and helping us navigate our place among the stars. How big is our galaxy? Is there life on those distant planets? Are we really made of star dust? And where do stars even come from? In An Earthling's Guide to Outer Space , we finally have the answers to all those questions and more. With clarity, wisdom, and a great deal of enthusiasm, McDonald explores the curiosities of the big blue planet we call home as well as our galactic neighbors--from Martian caves to storm clouds on Jupiter to the nebulae at the far end of the universe. So if you're pondering how to become an astronaut, or what dark matter really is, or how an asteroid wiped out the dinosaurs, look no further. Through a captivating mix of stories and experiments, McDonald walks us through space exploration past and present, and reveals what we can look forward to in the future.