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Light shines onto a mirror-like solar concentrator resting on a workbench. The concentrator is tilted upward around 45 degrees to catch the light. Its surface is black at the edges, and as you move inward, it goes from a deep blue to white.

Harnessing the Sun to Extract Oxygen on the Moon

The Carbothermal Reduction Demonstration (CaRD) project aims to demonstrate the carbothermal reduction of lunar regolith to produce oxygen on the Lunar South Pole. For this test, the team integrated the solar concentrator, mirrors, and software and confirmed the production of carbon monoxide.

Image Credit: NASA/Michael Rushing

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TakenAugust 7, 2025
Image CreditNASA/Michael Rushing
Size5504x8256px