Astronauts Replace ISS Antenna 250 Miles Up

Astronauts Sophie Adenot and Anil Menon have successfully replaced a Space-to-Ground antenna on the International Space Station (ISS) during a 6.5-hour spacewalk on August 25, 2026. The ISS orbits Earth at an altitude of 250 miles, making this a complex and challenging operation.

The spacewalk was the second attempt by Adenot and Menon to replace the antenna, after their first attempt a week earlier was cut short due to time constraints. Adenot, who became the first woman from France to conduct an extravehicular activity (EVA) during the previous spacewalk, worked alongside Menon to complete the task.

The ISS is an engineering marvel that orbits Earth at a speed of 17,500 mph, circling the planet 16 times a day. The photo of the spacewalk was taken on day 194 of Adenot's mission, which began in February 2026 as part of NASA's Crew-12 mission.

## Why it matters The successful replacement of the Space-to-Ground antenna is crucial for the ISS's communication systems. The ISS's high altitude and speed make it a challenging environment for maintenance and repairs, but the work of astronauts like Adenot and Menon is essential for keeping the station operational. The ISS's unique environment and the skills of its astronauts make it an important hub for scientific research and experimentation.

The spacewalk is also a testament to the international cooperation and collaboration that makes the ISS possible. Astronauts from different space agencies work together to maintain and operate the station, demonstrating the importance of global cooperation in space exploration.

The ISS will continue to orbit Earth, with astronauts like Adenot and Menon working to maintain and improve its systems. As the station continues to circle the planet, it will provide a unique platform for scientific research and experimentation, pushing the boundaries of human knowledge and understanding of space.