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Lekce 8 · třída 5–8
ISS: a home above Earth
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The International Space Station flies at ~420 km and orbits Earth in 90 minutes — the crew sees 16 sunrises a day! 3–7 people live and work aboard: experiments, repairs, spacewalks. Under construction since 1998 — the largest human-made object in space.
- ●ISS speed: 27,600 km/h — 7.7 km every second
- ●Astronauts sleep in bags tied to the wall
- ●Water is recycled — even sweat and breath
- ●You can see the ISS with the naked eye — like a bright moving star
🌍 The ISS is a 15-nation project. The European module Columbus was built in Bremen, Germany.