Which e-commerce innovation revolutionized the astronomy retail market by allowing customers to virtually 'test' telescopes before purchase?

The astronomy industry has seen significant changes in how telescopes, equipment, and educational materials are marketed and sold online. E-commerce platforms have transformed how astronomy enthusiasts discover and purchase products. This trivia question tests your knowledge about a groundbreaking innovation in astronomy e-commerce that changed how consumers shop for specialized astronomical equipment.

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AstroTry: The AR telescope preview tool that simulates night sky viewing through specific telescope models
StellarCart: The first subscription-based astronomy equipment rental service
CosmoCompare: The price comparison engine exclusively for astronomy products
GalacticGuarantee: The 365-day satisfaction guarantee program for all astronomy purchases