PAPERBACK COLORED Since the dawn of civilization, humanity has turned its eyes to the skies, seeking to unravel the mysteries of our existence: Why is the sky blue? Why do stars twinkle? What are black holes? What are dark matter and dark energy? How did it all begin, and how will it all end? If you have questions, this book has answers. It will lead you to the frontier of our ignorance, to the very edge of what we know. Our journey begins close to home, exploring the solar system and neighboring planets. We will then venture into deep space, exploring stars and alien worlds. Afterward, we will take a tour of our galaxy, then leap to distant galaxies and the far reaches of the Universe. Through our exploration, we will unravel the mysteries of the cosmos, revealing how we discover them while gaining a deep understanding of our place in the vast expanse of space and time. Why "Space 101"? This is not a dense academic book. No advanced degree is required. It is a gateway to the wonders of astronomy for anyone with a curious mind. Think of "Space 101" as your starting point-a basic guide designed to broaden your perspective on the Universe and ignite your curiosity.