Shenzhou‑21 inspects debris‑damaged Shenzhou‑20 in eight‑hour spacewalk; return vehicle judged unfit for reentry
Shenzhou‑21 astronauts conducted a spacewalk on Monday, lasting roughly eight hours, to inspect and photograph debris damage to the Shenzhou‑20 return vehicle docked at Tiangong. A suspected orbital‑debris strike has rendered Shenzhou‑20 unfit for reentry and delayed the crew's return.