A Handbook of Astrophysics is a comprehensive guide designed for absolute beginners, aiming to demystify the wonders of the universe. This book introduces readers to the fundamental concepts of astrophysics, from the basics of unit systems and conversion factors to the intriguing phenomena of astrochemistry and the future frontiers of cosmic exploration. Written in accessible language and stripped of complex mathematical symbols, this handbook provides a clear and engaging pathway to understanding the cosmos. Whether you are a student, an amateur astronomer, or simply someone fascinated by the stars, this book will be your gateway to the celestial wonders that fill our night sky.