International Space Station, Earth Orbit. 27 May, 2025. NASA astronaut and Expedition 73 Flight Engineer Nichole Ayers replaces components on the Thermal Amine Scrubber inside the Destiny laboratory module aboard the International Space Station, May 27, 2025 in Earth Orbit. The Thermal Amine Scrubber, removes carbon dioxide from the atmosphere and recovers water for oxygen generation. Credit: Astronaut Provided/NASA Photo/Alamy Live News

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