45 minutes.

The duration of a solar day aboard the International Space Station. As the Station orbits the Earth at a rate of one revolution every hour and a half, astronauts witness 32 sunsets and sunrises every 24 hours!


So what time is it on the ISS? To accomodate the people in both the US and the Russian mission center, the station lives on standard GMT time. And to prevent the astronauts from losing track of day and night, an artificial cycle is recreated using onboard lightning. This picture (credit: NASA) shows you how the inside of the ISS looks like at "night".

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© 2017 par KOSMOS 24.

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