NASAのインスタグラム(nasa) - 8月15日 06時47分

A wealth of images of Earth at night taken by astronauts on the International Space Station (ISS) could help save energy, contribute to better human health and safety and improve our understanding of atmospheric chemistry. But scientists need your help to make that happen. The pictures are clear, but their location may not be, which limits their usefulness. That's where citizen science comes in. Visit this link for more information: go.nasa.gov/1nT4OQg
The Iberian Peninsula at night, showing Spain and Portugal. Madrid is the bright spot just above the center.

Image Credit: NASA

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