When you "buy" a star, you are paying for an entry in a private database maintained by a specific company. These names are by official scientific bodies like the International Astronomical Union (IAU) or NASA , which use a numerical system for astronomical research.
Gifting a star is a poetic way to commemorate a special occasion, though it is important to understand what you are actually paying for. While you cannot legally own a celestial body, several private registries offer symbolic naming services that provide beautiful keepsakes. How Star Naming Works buy your own star
Essentially, you are purchasing a rather than legal deed to space real estate. Top Star Registry Services When you "buy" a star, you are paying