Final answer:
Victor becomes deeply engaged with the subject of astronomy during his teenage years, which later shapes his educational and professional life.
Step-by-step explanation:
As a teenager, Victor becomes fascinated with the subject of astronomy, the scientific study of celestial objects, space, and the physical universe as a whole. His interest in astronomy is so profound that it leads him to work as a photographer's aide to study the subject before eventually taking up a job at the Vanderbilt University Observatory.
This enables him to further his education in astronomy, demonstrating his ambition and dedication towards his passion for the stars and cosmic phenomena. Victor's intellectual journey in astronomy is reminiscent of the real-life pursuits of knowledge and scientific discovery during his era, showcasing the intrinsic curiosity and drive to understand the universe that becomes his life's work.