Voyager Golden Record Pendant, Space Science Jewelry, Carl Sagan Necklace, Astronomy Medallion, Universe Message Charm, Science Gift

This pendant captures the Voyager Golden Record—humanity's message to the cosmos, encoded with universal constants and our collective story. Crafted from surgical steel with an 18k gold finish option, the 23.5mm circular design works as everyday jewelry or a meaningful keepsake. The adjustable 18-22 inch chain accommodates different styles, and you can personalize the back with up to two lines of engraving, making it a thoughtful gift that carries personal significance alongside its cosmic resonance.