Which famous product development methodology was specifically adapted by NASA engineers to systematically identify and fix the Hubble Space Telescope's mirror flaw in the early 1990s?

The Hubble Space Telescope represents one of astronomy's most significant technological achievements and product development stories. Launched in 1990 with a serious flaw in its primary mirror, NASA's subsequent product recovery and enhancement program transformed it into an iconic scientific instrument. This poll explores how product development principles were applied to this revolutionary astronomical tool that changed our understanding of the universe.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Six Sigma DMAIC (Define, Measure, Analyze, Improve, Control) process
Agile Scrum with monthly sprint cycles
Design Thinking approach pioneered by IDEO
Toyota Production System's Kaizen methodology