Chicago Before Dawn: Cities Mapped in Light (2 Photos)

Category: Space, PEGI 0+
Today, 11:50

While the lakes remain dark, cities and highways weave into a glowing grid. This wide-angle view of the U.S. Midwest was captured from the International Space Station on October 18, 2026, at 4:54 a.m. Chicago daylight time—about two hours before local sunrise.





Captured from the ISS on October 18, 2026. NASA/JSC, ISS075-E-226709.

To the left, a greenish-orange band of atmospheric airglow hugs the Earth's limb, while the glow of impending dawn rises on the right. Below, the bright clusters of Chicago, Detroit, Indianapolis, Cincinnati, and Louisville stand out against the dark landscape.

A second shot offers a closer look at Chicago from a different night—March 1, 2024. This perspective makes it easier to spot subtle color variations in city lights, helping researchers identify different lighting technologies and track urban growth over time.



Chicago, March 1, 2024. NASA/JSC, ISS070-E-105097.

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