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A pair of Chinese taikonauts have completed an eight-hour spacewalk repairing damage to the Tiangong Chinese Space Station’s solar panels. It’s believed the damage was caused by tiny pieces of space debris, which impacted the solar wings and degraded their function. They performed a first repair spacewalk in December 2023 and completed the repairs with their second trip outside in March 2024.
Although the term “spacewalk” is commonly used, the official term for when an astronaut ventures outside a spacecraft is Extravehicular Activity . The definition of an EVA can vary depending on the country conducting the operation. For instance, Russian and Soviet spacecraft designates an EVA as any instance where a cosmonaut spends time in a vacuum while in a space suit, using specialized airlocks for this purpose.
To mitigate these risks, space suits are designed to maintain life support in the vacuum of space while allowing for sufficient mobility to perform tasks. These suits are essential for EVAs, providing the necessary protection against the harsh conditions of outer space.
During their time on the station, the Shenzhou-17 crew continued with planned space science experiments, technical tests, planned maintenance, and the installation of extravehicular payloads. Their tenure concluded with a handover to the incoming Shenzhou- 18 crew, ensuring the continuous operation of the Tiangong space station.
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