Which product development approach revolutionized consumer telescope manufacturing in the last decade, making advanced astronomy more accessible to amateur stargazers?

The astronomy industry has seen remarkable product innovations in recent years, from consumer telescopes to sophisticated imaging software. This trivia question focuses on how product development cycles in astronomy differ from other industries due to the unique challenges of space observation and the specialized needs of both professional and amateur astronomers. Test your knowledge about the intersection of product development and astronomical innovation!

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Modular design systems allowing components to be upgraded individually rather than replacing entire telescopes
AI-powered automatic calibration technology that eliminated the need for manual star alignment
Subscription-based telescope services where hardware is provided free with monthly software fees
Biodegradable optics made from sustainable materials to reduce environmental impact of astronomy equipment