A collection of audio literature focusing on the branch of astronomy that deals with the physical properties of celestial bodies and phenomena. These audiobooks delve into the principles of astrophysics, often incorporating environmental sciences in the context of planetary and interstellar studies. As a part of the broader science genre, these works are presented in an auditory format for an immersive and convenient learning experience. This category can also include related calendars and books that enhance the understanding and exploration of astrophysics.