Topic
Space station
2 questions tagged Space station — spanning every one of the seven Ws.
why
Why is the ISS in low Earth orbit instead of much farther away?
Low Earth orbit is the cheapest and most practical region for crewed spacecraft because it requires less fuel and allows easier resupply and return.
AstronomySpace station
how
How do astronauts breathe inside the International Space Station?
The ISS makes oxygen from water and removes carbon dioxide from the cabin air. It also uses recycling and backup systems so the crew can live there for months at a time.
Space stationLife support