Which retail-inspired data analytics innovation did NASA implement for the Hubble Space Telescope that revolutionized how astronomers access cosmic observations?

Space exploration generates massive amounts of data that requires sophisticated retail-style analytics systems to process and derive value. The Hubble Space Telescope, one of astronomy's most iconic instruments, produces terabytes of valuable observational data that astronomers must sort, analyze, and distribute much like retailers analyze customer behavior patterns. Test your knowledge about how Hubble's data analytics system transformed astronomical research and discovery.

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The Hubble Legacy Archive (HLA) - a searchable database using retail-style customer analytics principles to allow astronomers to 'shop' for specific celestial observations
Cosmic Loyalty Program - a points system rewarding astronomers who frequently access and cite Hubble data in their research with priority telescope time
Stellar Cart - a virtual shopping basket interface allowing astronomers to collect and purchase high-resolution images of celestial objects
Galaxy Recommendation Engine - an AI system that suggests celestial objects to observe based on an astronomer's previous viewing history