Which innovative retail strategy did NASA implement in 2017 that led to a 40% increase in merchandise sales?

Space exploration has always captivated the public's imagination, but did you know NASA's retail strategy has become a case study in successful brand merchandising? NASA's gift shops and online store have transformed from simple souvenir stands to a retail powerhouse that generates millions in revenue while educating the public about space science. Test your knowledge about this stellar retail success story that bridges the gap between cutting-edge astronomy and consumer products.

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Launching an exclusive 'Space Authentic' certification for products containing materials that have been to space
Opening the NASA logo for public domain use, allowing any manufacturer to create NASA-branded merchandise without licensing fees
Creating an astronaut-designed exclusive product line only available at Kennedy Space Center and Johnson Space Center
Implementing a 'Buy a Star' program where customers could purchase naming rights to newly discovered celestial bodies