Get ready for a cosmic Q&A session that tackles the burning questions you've always had about space. From what happens if an astronaut takes a stroll in space to whether we could set up camp on Mars, Universe Explained has got the scoop. With 185 questions covered,  you'll learn everything you need about black holes, the Milky Way, or if Pluto made the planetary cut.(This book may contain a sharpie mark on the top or bottom edge and may show mild signs of shelfwear.)