What is the Solar System? -- Rocky planets -- Giant planets--Is the moon a planet? -- What is a star? -- How hot is the sun? -- What is a galaxy? -- Do aliens exist? -- How big is the universe?
Summary
From giant planets, to the incredible Milky Way, explore the universe and discover facts about planet earth. Learn about how stars are born, what planets make up the Solar System and whether aliens exist. Packed with fascinating facts ad amazing close-up photographs, you'll be and expert on your world in no time!
