The International Space Station is a man-made object that orbits the Earth at an altitude of about 400 km. It serves as a laboratory for scientific experiments in many fields. The ISS is also used to make tests for future missions that will travel to Mars and other planets.
Contents of this module (16 pages)
- Introduction
- Experiments and research
- Living on board the International Space Station
- A typical workday
- Health risks and effects of long-term space travel
- Exercises and tasks
- Word list
- Key