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国际空间站英语PPT


Docking
• Spacecraft from Russia and Europe are able to launch and fly themselves without human intervention From 26 February 2011 to 7 March 2011, 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
International Space Station
王会羽
The International Space Station (ISS) is a habitable(可居住的), artificial(人造 的) satellite in Earth orbit. The ISS serves as a research laboratory(研究实验 室) that in many fields including biology, physics, astronomy, geography and so on.
• Astronaut Ron Garan during an STS-124 ISS assembly spacewalk
Life support
Байду номын сангаас
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 singlesided cells commonly used on Earth, by collecting sunlight on one side and light reflected off the Earth on the other.
• In September 1993, American VicePresident Al Gore, Jr., and Russian Prime Minister Viktor Chernomyrdin plans for a new space station, which became the International Space Station.
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.

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
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