Which sustainability innovation has dramatically reduced the environmental footprint of major astronomical observatories in the past decade?

The astronomy industry has embraced sustainability initiatives in recent years, reducing environmental impact while advancing space exploration. From energy-efficient observatories to eco-friendly satellite designs, astronomical organizations are pioneering green technologies. Test your knowledge about one of the most significant sustainability breakthroughs in modern astronomy that has changed how observatories operate.

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Adaptive mirror technology that requires 70% less energy than traditional telescope systems
Solar-powered cooling systems that eliminate the need for liquid nitrogen in infrared detectors
Biodegradable dome materials that can be fully composted after an observatory's lifecycle
Gravity-powered data centers that use elevation changes to generate electricity for processing astronomical data