Photo Friday: Astronaut photo of Sault Ste Marie in both Ontario and Michigan

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An astronaut highlights the twin cities of Sault Ste Marie, as well as the lakes and islands that separate Lakes Huron and Superior. Photo provided by the ISS Crew Earth Observations experiment and Image Science & Analysis Laboratory, Johnson Space Center.

In the above photo, taken on June 29, north is on the left. As described on NASA.gov, the lakes and rivers typically appear blue or blue-green – areas appearing silver in color are likely the result of sediment and sunglint. Sunglint is light reflecting off the water to the International Space Station. Canals and shipping locks in Sault Ste Marie is crucial to the Great Lakes shipping traffic system.

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