✅ COMPREHENSIVE: 52 flashcards cover all planets in the solar system, some minor planets, famous natural satellites, galaxies, clusters, and nebulae.
✅ INFORMATIVE: One side displays an image, the other side displays the name (with abbreviation or astronomical symbol), structure, and brief descriptions about the object. Both sides are printed in full-color with high-resolution photos taken from NASA. Item includes a sheet of Universe Infographic for your easy reference.
✅ VALUABLE: Durable paper with glossy coating, water and tear resistant.
✅ CONVENIENT: Standard playing card size, easy to carry.
