宇宙遊泳トップ10 - Top 10 Best Spacewalks in History - FogonazosExtra-vehicular activity (EVA) is work done by an astronaut away from the Earth and outside of a spacecraft. The term most commonly applies to an EVA made outside a craft orbiting Earth (a spacewalk). As of September 13, 2006, 158 astronauts had made spacewalks (out of 448 astronauts ever in space). These are some of the most interesting moments in spacewalks history: 1. Alexey Leonov, the pioneer
