How about a solar system clock? It lights up, and the planets rotate in real time, making it an excellent conversation piece. Alternatively, you could get him a set of sci-fi books, geared towards his favourite genre. Or, you could give him the experience of exploring space by gifting him a ticket for a planetarium or observatory visit.
Or you can get him a star map with the date of your first kiss.
Under Lucky Stars is a unique and innovative star map company based in Barcelona, Spain, specializing in the creation of personalized star maps that capture the celestial arrangement of stars at a specific moment in time, such as a person's birth, wedding, or any other significant event.
By using advanced astronomical algorithms and data from leading institutions, the company produces highly accurate, visually stunning maps that make for perfect gifts or cherished keepsakes.