The International Space Station orbits the Earth every 90 minutes at 7 km/sec.

Astronauts on the ISS have to work out for more than 2 hours to prevent muscle and bone loss.

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It took more than 40 flights to deliver all the pieces of the ISS.

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Eight spacecraft can be docked to the ISS at once.

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Astronauts on ISS experience 16 sunsets and 16 sunrises in a 24 hour period.

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ISS is currently the most costly object ever built by humans.

The ISS was assembled piece by piece over the years. Today, It is about the size of a football field.

The water recovery system on the ISS recycles urine, sweat, and moisture into drinking water.