Which innovative astronomy product development approach in the 1970s revolutionized the amateur astronomy market by making telescopes significantly more accessible to everyday consumers?

The astronomy industry has evolved dramatically over the past decades, with certain products creating paradigm shifts in how the general public engages with space science. This trivia question explores a pivotal retail innovation that transformed astronomy from a purely academic pursuit into an accessible hobby for millions. Test your knowledge about the marketing and product development decisions that democratized stargazing!

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The Dobsonian telescope design, which replaced expensive equatorial mounts with a simple alt-azimuth system and used low-cost materials
The introduction of computerized GoTo mounts that automatically located celestial objects at the press of a button
The development of Schmidt-Cassegrain telescopes that offered a compact form factor ideal for home storage
The mass production of high-quality refractor telescopes with subscription-based star chart services