3D 百科全书

Flip through these pages to first visit the Sun and the planets in our Solar System, and find out the difference between our home, the Earth, and the other planets. Discover where scientists look for traces of life, and whether there is any place in the universe that could become our home if the Earth one day became uninhabitable! The second part of the book will guide you on the path trodden by mankind in the attempt to unravel the mysteries of astronomy. Explore how mankind reached out to space and how various devices have contributed to discovering very distant places in the universe.