Which innovative product design feature of the Hubble Space Telescope was specifically created to address potential supply chain challenges in space?

The Hubble Space Telescope represents one of astronomy's greatest supply chain and product design achievements. Launched in 1990, this orbital observatory faced early challenges but revolutionized our understanding of the cosmos. Its innovative modular design allowed for multiple servicing missions by astronauts, extending its lifespan far beyond initial projections. This poll tests your knowledge about the groundbreaking design and supply chain decisions that made Hubble's ongoing success possible.

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Modular components designed for in-orbit replacement by astronauts
Solar panels that automatically adjust position based on telescope orientation
Self-cleaning primary mirror coating to prevent dust accumulation
Integrated AI system for autonomous fault detection and repair