ruimtewandeling

Ruimtewandeling, also known as an Extravehicular Activity (EVA), refers to any activity where an astronaut or cosmonaut performs a spacewalk outside their spacecraft. This typically occurs in the vacuum of space, beyond the Earth's atmosphere. Ruimtewandelingen are essential for a variety of tasks that cannot be accomplished from within the spacecraft.

The primary purposes of ruimtewandelingen include the assembly and maintenance of spacecraft and orbital stations, such as the International Space Station (ISS). Astronauts may also conduct scientific experiments, deploy or retrieve satellites, and perform repairs on external components.

During a ruimtewandeling, astronauts wear specialized spacesuits, known as Extravehicular Mobility Units (EMUs). These suits provide a self-contained environment that protects the wearer from the extreme temperatures, radiation, and vacuum of space. They supply oxygen for breathing, regulate temperature and pressure, and allow for communication with mission control and other crew members.

The duration of a ruimtewandeling can vary significantly depending on the mission's objectives, typically ranging from a few hours to over eight hours for longer missions. Safety is paramount, and each ruimtewandeling is meticulously planned and executed with backup systems and procedures in place to mitigate risks. Astronauts are tethered to the spacecraft to prevent them from drifting away. The development and execution of ruimtewandelingen represent a significant feat of engineering and human capability, enabling humanity's exploration and utilization of space.