Help NASA identify Earth's night lights

NASA is asking the public for help in categorizing hundreds of thousands of night photos of Earth, most of which came from the International Space Station.

The photos are available online.

NASA is asking people to identify which cities clusters of light are coming from.

Hundreds of volunteers have already classified nearly 20,000 images, but those still need to be confirmed.

The goal is to create an open atlas of nighttime photos of Earth.


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