Core Points - The Shenzhou-20 spacecraft successfully landed on January 19, 2026, after a mission duration of 270 days, demonstrating its capability for a 9-month stay in orbit [1] - The spacecraft was launched on April 24, 2025, and initially delayed its return due to suspected impact from space debris, leading to extended experiments in orbit [1] - To mitigate return risks, a close-up inspection of the spacecraft's return capsule window was conducted, confirming the status of cracks, and a device for handling these cracks was developed and installed by astronauts [1] Summary by Sections - **Mission Overview** - Shenzhou-20 spacecraft launched on April 24, 2025, and successfully docked with the space station [1] - The return was delayed due to potential damage from micro-debris, leading to additional experiments in orbit [1] - **Return and Safety Measures** - The spacecraft returned to Earth on January 19, 2026, after 270 days in orbit [1] - Prior to the return, astronauts conducted an external inspection of the return capsule window to assess crack conditions [1] - A crack handling device was developed and installed to enhance thermal protection and sealing during the return process [1]