Which innovative marketing campaign in 2009 is credited with making amateur astronomy more accessible and increasing telescope sales by over 60% worldwide?

The astronomy industry has seen some groundbreaking product innovations and marketing campaigns over the years. From revolutionary telescope designs to space observation tools that changed how we view the cosmos, astronomical product development has a rich history of innovation. Test your knowledge about a famous marketing campaign that transformed how astronomical products reached the public and sparked wider interest in stargazing.

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The International Year of Astronomy campaign, which connected telescope manufacturers with public star parties and educational institutions
The 'Stars in Your Hands' campaign by Celestron, which introduced the first smartphone-controlled telescope
NASA's 'Backyard Astronomy' initiative, which provided DIY telescope blueprints to the public
The 'Hubble for All' campaign, which licensed Hubble imagery for consumer telescope packaging and marketing