This stunningly illustrated picture book is jam-packed with fascinating information and a galactic glossary that will inspire budding astronauts to shoot for the stars! From sounding out big words-like "propulsion," "meteorite," and even "extraterrestrial"!-to simplifying big concepts-like gravity and atmosphere-this star-studded dictionary is the perfect launching pad for kids who absolutely love all things space. It features more than 50 wow-worthy words, each with a definition and phonetic pronunciation, helping your little explorer sound like an expert in no time. Cosmic illustrations, fascinating photos, and a lovable character, Grover the rover, will keep every space-loving kid engaged and wanting more. And, with the seal of approval from Kathryn Sullivan-former astronaut and the first American woman to walk in space for NASA-readers can trust that our content is coming straight from the source.