国际空间站英语.pptx

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2021/10/3,#,International Space Station,王会羽,国际空间站英语课件,第1页,1/10,The International Space Station(ISS)is a habitable,(可居住）,artificial,（人造）,satellite in Earth orbit.The ISS serves as a research laboratory,（研究试验室）,tha,t,in many fields including biology,physics,astronomy,geography and so on.,国际空间站英语课件,第2页,2/10,In September 1993,American Vice-President Al Gore,Jr.,and Russian Prime Minister Viktor Chernomyrdin,plans for a new space station,which became the International Space Station.,国际空间站英语课件,第3页,3/10,Station structure,The ISS is a third generation or modular space station.this allows the mission to be changed over time,new modules can be added or removed from the existing structure,saving considerable costs and allowing greater flexibility.,Astronaut Ron Garan during an STS-124 ISS assembly spacewalk,国际空间站英语课件,第4页,4/10,Life support,国际空间站英语课件,第5页,5/10,Power supply,Double-sided solar,or Photovoltaic arrays,provide electrical power for the ISS.These bifacial cells are more efficient and operate at a lower temperature than single-sided cells commonly used on Earth,by collecting sunlight on one side and light reflected off the Earth on the other.,国际空间站英语课件,第6页,6/10,Docking,Spacecraft from Russia and Europe are able to launch and fly themselves without human intervention,From 26 February to 7 March,during STS-133,four of the governmental partners(United States,ESA,Japan and Russia)had their spacecraft(NASA Shuttle,ATV,HTV,Progress and Soyuz)docked at the ISS,国际空间站英语课件,第7页,7/10,Work,In general,the crew works ten hours per day on a weekday,and five hours on Saturdays,with the rest of the time their own for relaxation or work catch-up,国际空间站英语课件,第8页,8/10,国际空间站英语课件,第9页,9/10,国际空间站英语课件,第10页,10/10,