Adirondack Sky Center
Tupper Lake, New York
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Astro Quiz 37: ISS Orbit Time?

Question #37 – How long does it take the International Space Station (ISS) to orbit the Earth once?

Answer:

It takes the ISS only 92 minutes to orbit the Earth once. The astronauts see the sun rise and set 16 times during each 24-hour period. The ISS does this while traveling about 250 miles above the Earth's surface at 17,150 miles per hour – that's 4.8 miles per second!

You can find the latest space station news and images at NASA's International Space Station Mission page.


The International Space Station on 23 May, 2010 as seen from the departing Space Shuttle Atlantis
Image credit: NASA

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