Nardo Ring, Italy:
The Nardo Ring is a striking visual feature from space, and astronauts have photographed it several times. The Ring is a race car test track; it is 12.5 kilometers long and steeply banked to reduce the amount of active steering needed by drivers. Although it is a perfect circle, it appears oval in this photograph. This distortion is because the astronaut's viewing angle was 35 degrees, looking back along the orbit track to the southwest from the International Space Station's window.

The Nardo Ring lies in a remote area on the heel of Italy's "boot," 50 kilometers east of the naval port of Taranto. The small coastal town of Villaggio Boncore--visible as a light grey area of linear streets at the bottom center of the image--lies just to the south, but the Ring is named after the bigger urban center of Nardo, 22 kilometers to the southeast (not shown). The Ring encompasses a number of active (green) and fallow (brown to dark brown) agricultural fields. In this zone of intensive agriculture, farmers gain access to their fields through the Ring via a series of underpasses. Winding features within the southern section of the Ring appear to be smaller, unused race tracks.

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This service is provided by the International Space Station program and the JSC Earth Science & Remote Sensing Unit, ARES Division, Exploration Integration Science Directorate.
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