| http://www.w3.org/ns/prov#value | - Taken mostly by the International Space Station (ISS), the photos are available in an online collection.NASA has some 1.8 million night-time images of the earth, including 1.3 million from the ISS.Called the Image Detective Programme, people are asked to identify particular towns and landmarks shining in the night.Hundreds of volunteers have already classified nearly 20,000 images, but these need
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