When NASA astronaut William Shepherd and Russian cosmonauts Yuri Gidzenko and Sergei Krikalev entered the International Space Station on November 2, 2000, they became the first of many to live in the orbiting laboratory 227 nautical miles above Earth.
원문출처 : https://www.cnn.com/2020/11/02/world/space-station-20th-anniversary-continuous-human-presence-scn-trnd/index.html
원문출처 : https://www.cnn.com/2020/11/02/world/space-station-20th-anniversary-continuous-human-presence-scn-trnd/index.html