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Space

Astronauts may need medical evacuation from one-third of moon missions

Medically evacuating an astronaut from space is difficult and expensive, and a new model predicts that one in three long-duration moon missions may require it

By Leah Crane

20 September 2024

Astronauts on missions to the moon will need training to avoid medical emergencies that would require evacuation

Merlin74/Shutterstock

One in three missions to the moon is at risk of requiring an astronaut to be medically evacuated back to Earth. This process would be difficult and costly – a medical emergency in space is an altogether tougher situation than one on Earth – but a new tool to calculate the probability of such crises could help us prevent them.

Generally, major space agencies like NASA reduce the risk of medical…

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