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What Sunita Williams Did in Space for 9 Months? A Look at Her Groundbreaking Work

Astronaut Sunita Williams spent 9 months on the International Space Station (ISS), conducting over 150 experiments, repairing equipment, and setting a record for the most time spent in space by a woman. Her mission, which was originally planned for just 8 days, turned into a historic journey due to technical issues.
06:47 AM Mar 19, 2025 IST | Aakash Khuman
Sunita Williams and astronaut Butch Wilmore

Sunita Williams and fellow astronaut Butch Wilmore reached the ISS on June 5, 2024. Their mission was supposed to last only 8 days, but due to technical problems, they stayed for 9 months. During this extended period, Williams played a crucial role in maintaining the space station and conducting scientific research.

Also Read: Astronauts Sunita Williams and Butch Wilmore Back on Earth After 286 Days in Space

900 Hours of Research & Over 150 Experiments

Williams dedicated around 900 hours to scientific research, carrying out over 150 experiments. These included studies on how gravity affects liquids, advancements in water recovery, and developing fuel cell reactors. She also worked on the Bionutrients Project, which explores how bacteria can produce essential nutrients for astronauts in space.

62 Hours of Spacewalk in 9 Missions

One of her most remarkable achievements was completing 9 spacewalks, spending a total of 62 hours and 9 minutes outside the space station. This made her one of the most experienced astronauts in spacewalks.

Maintaining & Repairing the ISS

The ISS, which is as large as a football field, requires continuous upkeep. Williams contributed to its maintenance by replacing outdated equipment and ensuring smooth operations. Her efforts played a key role in keeping the station in top condition.

A Record-Breaking Space Journey of Sunita Williams

With this mission, Sunita Williams set a new record as the woman who has spent the most time in space. Her dedication to space exploration continues to inspire future astronauts and researchers.

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astronaut achievementshind firsthind first englishhind first newsInternational Space StationISS missionNASA astronautnewsspace explorationspace researchspacewalk recordsSunita WilliamsSunita Williams experimentswomen in space
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