Human Space Exploration and Working/Living in Space

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Across
  1. 2. Chris Hadfield installed this part of the ISS in 2001.
  2. 3. The ISS is a facility for _____________.
  3. 5. The ISS completes 15.7 __________ in a day.
  4. 6. Astronauts are responsible for cleaning and __________________.
  5. 8. The ISS is the largest ______________ object to orbit earth.
  6. 9. Operating state-of-the-art ___________ is also one of the responsibilities of working in space.
  7. 10. A rocket-launched spacecraft, used to make repeated journeys between the earth and earth orbit.
  8. 11. How many countries have contributed to the ISS?
Down
  1. 1. What does "ISS" stand for?
  2. 4. One of the six crew members who lived on the ISS in 2009.
  3. 7. Other than working, astronauts also need time to rest and ____________.