The International Space Station is the biggest object ever made orbiting the Earth. It’s been up there 20 years!
In one day, it goes round our planet 16 times.
The station is as big as a football stadium and weighs 400 t; that’s the weight of 25 buses.
In this giant laboratory, there are 6 people permanently working on science experiments and the station’s maintenance.
They especially test living conditions in space to prepare for future trips.
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