Which critical component in modern astronomy equipment has experienced the most severe supply chain disruptions in the last decade due to its limited mining sources?

The astronomy industry faces unique supply chain challenges when developing telescopes, satellites, and other observation equipment. From rare earth elements to precision optics, the journey from raw materials to functioning astronomical instruments involves complex logistics across multiple countries and specialized manufacturers. Test your knowledge about the fascinating supply chain behind the tools that help us explore the cosmos!

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Beryllium (used in telescope mirrors for space observatories like James Webb)
Neodymium magnets (used in telescope motor systems and satellite positioning)
Sapphire crystal (used in observatory windows and instrument protection)
Silicon carbide (used in lightweight mirror substrates for large telescopes)