The book *Collection of Problems and Practical Exercises in Astronomy* by Boris Alexandrovich Vorontsov-Vel'yaminov is a truly unique resource that will delight anyone interested in the stars—students, educators, or simply passionate sky-watchers. Renowned Russian astronomer and educator Vorontsov-Vel'yaminov crafted this compilation to deepen understanding of astronomical phenomena through hands-on application of theoretical knowledge. Covering a broad range of topics—from the fundamentals of astronomy to more advanced concepts like celestial mechanics and cosmology—each exercise is carefully designed not only to test your knowledge but also to sharpen your analytical thinking. This makes the book an ideal tool for exam preparation and self-study alike. Readers will encounter real-world problems faced by professional astronomers, adding an engaging and practical dimension to the learning process. Who will find this collection most appealing? Primarily, it’s perfect for students of physics, mathematics, and natural sciences, as well as high school students delving deeply into astronomy. But it’s not just for them—science enthusiasts and curious minds eager to expand their horizons will also discover valuable insights within these pages. Vorontsov-Vel'yaminov uses accessible language and clear explanations, making complex concepts understandable even for those just beginning their journey into astronomy. The topics explored go beyond technical details, touching on philosophical reflections about humanity’s place in the universe. Readers are invited to contemplate how astronomy influences our perception of time, space, and life itself. Skillfully blending practical exercises with profound questions, the author makes learning astronomy not only informative but also inspiring. Vorontsov-Vel'yaminov’s writing is characterized by clarity and logical flow, facilitating the comprehension of even the most challenging ideas. As both a textbook author and active researcher, he brings firsthand experience to his work. His previous publications, such as *Astronomy for Schoolchildren* and *Basics of Astronomy*, have established him as a trusted source of quality knowledge. In this collection, he continues his tradition of offering more than just problems—he provides a comprehensive system to help you understand and fall in love with astronomy. If you’re seeking a book that not only reinforces theoretical understanding but also develops practical skills, *Collection of Problems and Practical Exercises in Astronomy* is an excellent choice. It’s not just a guide—it's a guiding star in the universe of astronomy, opening up limitless horizons of knowledge. Dive in, solve the exercises, and explore the mysteries of the cosmos alongside Boris Alexandrovich Vorontsov-Vel'yaminov!