Which rare material, critical in modern telescope manufacturing, faced a severe supply chain disruption in 2019 due to its limited mining locations and increased demand from both astronomy and defense industries?

The astronomy industry faces unique supply chain challenges when it comes to telescope manufacturing and distribution. From specialized glass for mirrors to precision instruments, the journey from raw materials to a finished observatory-grade telescope involves global coordination. Test your knowledge about the fascinating supply chain behind the tools that help us explore the cosmos!

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Beryllium (used for lightweight mirror substrates in space telescopes)
Germanium (used in infrared detection systems)
Neodymium (used in specialized telescope motor systems)
Fluorite crystal (used in apochromatic lenses)