Which retail innovation revolutionized amateur astronomy by making advanced celestial observation accessible to the general public through a subscription-based model?

The astronomy retail sector has evolved dramatically with technological advancements. Specialized equipment that once required professional connections is now accessible to amateur astronomers through innovative retail channels and product design. Test your knowledge about a groundbreaking retail innovation that changed how people access and experience the night sky.

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Stellarscope's Virtual Observatory - allowing users to control remote telescopes via smartphone app
MoonMapper's Augmented Reality System - overlaying celestial information when pointing a device at the sky
AstroBox monthly equipment rental service - delivering different telescope models to try before buying
CosmoConnect's NFT star registration platform - using blockchain to let customers 'own' stars