Space Earrings. Space earrings are a popular fashion accessory inspired by outer space. Space earrings come in various styles, materials, and sizes to cater to different preferences. Common designs include Celestial Studs, Galaxy Dangles, Planet Charms, Astronaut and Rocket Earrings, and Celestial Hoops. Space Earrings can be found at various jewelry stores and independent artists and craftsmen create handmade space-themed earrings. SEE MORE: Bookish Earrings.