US EditionAfter the Moon, Even Walking Is Difficult: Artemis Ii Astronaut Reveals Effects of Microgravity
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Astronaut Christina Koch shared a video on social media with NASA on Friday (April 17, 2026) showing the process of readjusting to Earth's gravity. The recording was published 7 days after her return to Earth and shows balance and coordination exercises. According to Christina, staying in microgravity affects the systems responsible for spatial orientation. "The vestibular organs don't function correctly in space, and the brain learns to ignore …
According to the astronaut, the brain of the four astronauts who experienced microgravity no longer respond to the natural signs of those who live on Earth.
After completing its successful lunar journey, the Artemis II crew faces a complex process of physical readjustment to Earth's gravity, highlighting the astonishment of astronaut Christina Koch as she awakens feeling that she was still floating.
After completing its successful lunar journey, the Artemis II crew faces a complex process of physical readjustment to Earth's gravity, highlighting the astonishment of astronaut Christina Koch as she awakens feeling that she was still floating.
After returning from the Moon, Christina Koch woke up from her first nights on Earth thinking she was still floating. A week after returning, Artemis II’s crew still grapples with gravity.
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