What do humans need to survive? Are these things available on any other planet? Readers explore our solar system and help search for new planets we could inhabit in this high-interest, informative boo
What’s the difference is between a planet and a moon? What exactly is a planet? How did the moon form and how does it affect Earth? This book explores one of our most familiar nighttime sights, the mo
People used to think that Earth was flat, but now we know it isn’t. How did we find out Earth is actually a sphere? How did science help us understand the shape of our planet? Readers will delight in
What is gravity and how does it work? Could Earth ever stop spinning, and what would happen if it did? How do astronauts prepare for a life with zero gravity? This book introduces readers to scintilla
Are there other galaxies out there? How do we know that they exist? Can we expect an alien invasion? In this fascinating book, readers will learn about black holes, gigantic telescopes, and space expl
