1. It circles the earth every 90 minutes.
2. It 's the brightest object in our night sky with the exception of the moon and Venus .
3. astronaut can dock eight spaceships at it one time.
4. more than 50 computers keep everything humming along as it should.
5. it has a mass of 925,335 pounds (419,725kg).
6. about eight miles (13km) of wire connects the Iss electrical system.
7. There's an app that will tell you where the Iss is located at any moment.
8. It only takes about for hours to reach the ISS after blasting off .
9. each day takes about four hours to reach the ISS travels 478,000 miles (769,200km) which is equal to a round trip from earth to the moon.
10. oxygen is generated on board an electrical current that splits water molecules into hydrogen and oxygen gas.
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