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China returned Shenzhou-20 uncrewed in Nov 2025 after a space debris crack threatened cabin pressure, delaying astronaut return.
In November 2025, China decided to return its Shenzhou-20 spacecraft uncrewed after a crack was found in its reentry module’s porthole, likely caused by high-speed space debris smaller than 1 millimeter.
The damage, over a centimeter long, posed a risk of cabin depressurization, prompting a delay and the emergency launch of Shenzhou-21 to safely return the three astronauts.
Shenzhou-20 remains docked at the Tiangong space station, with its uncrewed return planned to collect critical data on the failure for future mission safety.
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China devolvió Shenzhou-20 sin tripulación en noviembre de 2025 después de que una grieta de escombros espaciales amenazara la presión de la cabina, retrasando el regreso de los astronautas.