Inventions & Discoveries - Space Discoveries: Knowledge Encyclopedia For Children

How did scientists figure out the universe and its cosmic secrets? Who was the first human to land on moon? What was the name of the first man-made satellite? This encyclopedia will answer these and more Hows and Whats for you. Learning is made simpler with well-labelled diagrams and an extensive glossary of difficult words. Bonus: the book comes loaded with isn't it amazing section of fun facts to keep you glued for more.