Which e-commerce innovation did the International Astronomical Union (IAU) implement in 2022 that revolutionized how professional astronomers purchase specialized equipment?

The astronomy industry has embraced e-commerce in innovative ways, allowing astronomers, researchers, and enthusiasts to access specialized equipment and resources globally. This trivia question explores how a major astronomical organization transformed its retail approach to better serve the scientific community and amateur stargazers alike.

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Equipment Authentication System - verifying products have been tested in space-like conditions
Observatory-to-Door shipping - allowing direct purchases from major observatories
Stellar Subscription Box - monthly delivery of astronomy tools and charts
Research-Linked Marketplace - products tagged to specific astronomical research papers