Space Station
The International Space Station floating in space

Sixteen countries from around the world are working to build the International Space Station. Crews from these countries live and work on the ISS. Image Credit: NASA

      a vehicle that stays in space and circles Earth for a long time so that experiments can be done

Astronauts have been living on the International Space Station since the year 2000.

Last night, we watched the space station travel across the sky.

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