What is life like on the International Space Station?

The answer

The ISS orbits Earth at about 28,000 km/h, completing one orbit every 90 minutes and giving crew members 16 sunrises and sunsets daily. Astronauts live in microgravity, where water forms floating spheres, food must be secured, and sleep requires strapping into a bag attached to a wall. Exercise (about 2 hours daily) is mandatory to combat muscle atrophy and bone loss - astronauts lose about 1% of bone density per month without it. The station has been continuously inhabited since November 2000, hosting over 270 people from 21 countries across more than 70 expeditions.