Which specialized point-of-sale feature has revolutionized observatory and planetarium gift shops by significantly increasing sales of high-ticket telescopes and astronomy equipment?

Modern observatories and planetariums aren't just scientific institutions - they're also retail operations with specialized gift shops that require unique point of sale solutions. This trivia question explores how astronomy retail venues are adopting specialized POS systems to handle their unique merchandise and visitor experiences. Test your knowledge about the intersection of astronomy education, retail operations, and technology!

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Augmented reality previews that show customers how celestial objects will appear through specific telescope models from their geographic location
Blockchain verification systems that authenticate meteorite fragments and space memorabilia sold in gift shops
AI-powered recommendation engines that suggest astronomy books based on a customer's observation history
Subscription management modules that handle recurring planetarium memberships and telescope maintenance plans