: Known for its unique 3D star-viewing software and physical gift cards, though express shipping to the US can be expensive.
: The IAU uses alphanumeric designations (like HD 172167) for professional catalogs and prohibits naming stars after individuals as of 2022. buying a star in the sky for someone
Reviewers from Space.com and astronomy forums suggest gifts with more tangible value for the same price range ($30–$100): : Known for its unique 3D star-viewing software