Which astronomy product marketing campaign is credited with increasing amateur astronomy participation by over 40% and pioneering the 'citizen science' movement in space observation?

The astronomy industry has seen remarkable product launches and marketing campaigns that have revolutionized how we connect with the cosmos. From revolutionary telescope designs to groundbreaking space observation software, certain products have defined the industry through innovative marketing approaches. Test your knowledge of the most influential astronomy product marketing campaigns that changed how the public engages with space science!

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Celestron's 'Bring the Universe Home' campaign for NexStar telescopes (2001)
Meade's 'AutoStar Revolution' for ETX series (1999)
Stellarium's 'Map Your Sky' open-source software initiative (2006)
Sky & Telescope's 'Backyard Astronomy' campaign for Dobsonian telescopes (2003)