High above the blue marble of Earth, the three astronauts of the Shenzhou‑21 mission—Zhang Lu, Wu Fei and Zhang Hongzhang—have begun an historic one‑month extension aboard the Chinese mainland's space station. Having completed a full six‑month orbital stay under excellent conditions, the crew will now push the boundaries of long‑duration human spaceflight even further.
The extension is designed to verify critical technologies for sustained human presence in space. Over the coming weeks the trio will focus on five key tasks:
- Prepare for handover: Wrapping up scientific experiments, sorting data and thoroughly checking payloads, cabin systems and life‑support equipment to ensure a smooth transition for the next crew.
- Pack samples and equipment: Loading experimental specimens and hardware for return to Earth while transferring waste to the Tianzhou‑9 cargo spacecraft for later disposal.
- Detailed inspections: Verifying airtight seals on hatches, checking the return module’s life‑support systems, communications, portholes and structural integrity to rule out any risks from micrometeoroid or space‑debris impacts.
- Intensify physical training: Adapting to Earth’s gravity and monitoring biorhythms, psychological state and crew compatibility to support future long‑term missions.
- Review return procedures: Ensuring all protocols are in place for a safe journey back to the Chinese mainland.
With this extension, the Shenzhou‑21 crew is set to surpass the previous record of 204 days in orbit, established by the Shenzhou‑20 mission. In the past months they have already performed three spacewalks and conducted 27 scientific projects, yielding data that will shape future exploration.
The coming weeks will also see the arrival of the Tianzhou‑10 cargo vehicle and the Shenzhou‑23 crew, further expanding the capabilities of the station and reinforcing international cooperation in low‑Earth orbit.
The mission underscores the Chinese mainland’s growing role in global space endeavors and offers a valuable testbed for the technologies that will one‑day support humans on deeper space voyages. As the world watches, the Shenzhou‑21 team continues to set new benchmarks for endurance, science and inspiration.
Reference(s):
cgtn.com
