{"id":435624,"date":"2024-04-22T03:32:29","date_gmt":"2024-04-22T01:32:29","guid":{"rendered":"https:\/\/osr.org\/?p=435624"},"modified":"2024-04-22T03:32:44","modified_gmt":"2024-04-22T01:32:44","slug":"what-is-spacewalking","status":"publish","type":"post","link":"https:\/\/osr.org\/en-uk\/blog\/osrguide\/what-is-spacewalking\/","title":{"rendered":"What Is Spacewalking?"},"content":{"rendered":"

The idea of leaving footprints on the moon<\/a> or floating weightlessly in the vastness of space inspires awe and wonder. For many, it represents the pinnacle of human achievement, showcasing our boundless curiosity and courage to explore the unknown. But what is spacewalking, and how does one transition from gazing up at the stars to leaping into the void?\u00a0<\/span><\/p>\n

What is a Spacewalk?<\/span><\/h2>\n

\"What<\/p>\n

A spacewalk, or, more formally, Extravehicular Activity (EVA) in astronaut lingo, is an operation in which an astronaut exits a spacecraft beyond Earth’s atmosphere to conduct scientific research, repair satellites, or test new equipment while in orbit. This exceptional activity requires meticulous planning, rigorous training, and the most advanced technology to ensure the safety and success of the astronaut venturing into the vacuum of space.\u00a0<\/span><\/p>\n

Spacewalks allow astronauts to perform tasks crucial for advancing space exploration and our understanding of the Universe<\/a>. The first spacewalk was conducted by Russian cosmonaut Alexei Leonov<\/a> in 1965, marking a significant milestone in space travel history. Since then, astronauts from various countries have performed spacewalks, contributing to essential missions such as the assembly and maintenance of the International Space Station (ISS).<\/span><\/p>\n

Astronauts often describe the experience of a spacewalk as both exhilarating and challenging. It offers unparalleled views of Earth and a profound sense of our place in the cosmos.<\/span><\/p>\n

Spacewalking Equipment<\/span><\/h2>\n

\"EVA<\/p>\n

During a spacewalk, astronauts are equipped with a spacesuit designed to protect them from the harsh conditions of space, including extreme temperatures, micrometeoroids, the absence of oxygen, and atmospheric pressure. Essentially, these suits act as personal spacecraft equipped with life-support systems to maintain a habitable environment for the astronaut.\u00a0<\/span><\/p>\n

Additionally, astronauts wear a specially designed helmet with a visor that protects their eyes from the intense radiation and glare of the sun<\/a>. The visors also have built-in cameras and lights to assist with visibility during the spacewalk.<\/span><\/p>\n

Apart from the spacesuit, astronauts use various tools and equipment specifically designed for use in microgravity environments. This includes tethers to secure themselves to the spacecraft or space station and specialised tools such as drills and wrenches for conducting repairs and maintenance tasks.<\/span><\/p>\n

The Dangers of Spacewalking<\/span><\/h2>\n

\"Space<\/p>\n

Although spacewalks are crucial for the success of many missions, they also pose significant risks to astronauts. One of the main dangers is the risk of decompression sickness, also known as “the bends”, which occurs when nitrogen bubbles form in the blood due to a rapid decrease in pressure. If not promptly treated, this condition can cause excruciating pain with potentially fatal consequences.<\/span><\/p>\n

Spacewalks also expose astronauts to the hazards of space radiation, which can damage human cells and increase the risk of cancer. This is why spacesuits are equipped with shielding material to protect astronauts from harmful radiation.<\/span><\/p>\n

Additionally, spacewalking presents a risk of collisions with space debris, which can travel at high speeds and cause significant damage to both the astronaut and their equipment. To mitigate this risk, ground control technicians continuously monitor astronauts from the ground, and emergency procedures are in place if they detect a potential collision.<\/span><\/p>\n

Preparing for the Ultimate Leap<\/span><\/h2>\n
https:\/\/youtu.be\/Wfoy_OvNDvw?si=9y9wWdwLUCXqLu5C<\/a>