Which retail big data technology was adapted by NASA's Jet Propulsion Laboratory to analyze black hole data, reducing processing time from weeks to hours?

The astronomy industry relies heavily on big data analytics to process vast amounts of telescope observations, star cataloging, and celestial phenomena tracking. Major observatories and space agencies use sophisticated retail-inspired big data solutions to manage their astronomical databases. Test your knowledge about how astronomical big data systems compare to their retail counterparts!

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Amazon's RedShift cluster computing (named after the astronomical phenomenon)
Walmart's Hadoop implementation for inventory forecasting
Target's machine learning recommendation engine
IBM's Watson analytics platform originally developed for retail trend analysis