Which retail strategy first revolutionized the astronomy equipment market in the 1990s, making telescopes more accessible to amateur astronomers?

In the competitive world of astronomy products and equipment, marketing innovations have played a crucial role in bringing the wonders of the universe to amateur stargazers and professionals alike. This poll tests your knowledge about a significant retail milestone that changed how astronomical tools are marketed and sold to consumers. Can you identify the correct historical development that revolutionized astronomy retail?

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The introduction of 'star parties' as promotional events where consumers could test telescopes before purchase
The development of subscription-based telescope rental programs by major observatories
The launch of the first astronomy equipment television shopping channel called 'StarGazer Network'
The creation of university-sponsored telescope lending libraries for public use