This big book of 96 science-packed pages introduces young readers to all the key facts about our solar system and the universe in a fun question and answer format. The book’s wide-ranging Q&As include: How many stars are there in space? Where does the Sun go at night? Will astronauts visit Mars? Which planet has diamond rain? What is the Moon made of? What is an eclipse? Which asteroid is the biggest? Is there another planet like Earth? And could I become an astronaut?