[ad_1] The International Space Station orbits the Earth approximately every 90 minutes. Image via NASA. It has been 20 years since this month that astronaut William “Bill” Shepherd and cosmonauts Yuri Gidzenko and Sergei Krikalev became the first people to board the International Space Station (ISS). That first crew resided …
Read More »The International Space Station is 20 and is going strong | Human world
