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Published Results from GO on a Trail Challenge

In 2019, you joined us on the trail by submitting more than 18,000 land cover photos from 37 countries during our GO on a Trail challenge. On April 22, a peer-reviewed scientific analysis of the data was published in Frontiers in Climate. The paper summarizes the data submitted during the challenge, describes how your data are matched to satellite-based land cover products and outlines how GLOBE Observer observations could help scientists in the future. >>

NASA Interns Help to Solve the Terminator Problem Via GLOBE Challenge

What is the terminator problem? The solar terminator (or “twilight zone”) is the line that separates the daylit side of a planet from the dark night side. From Earth’s surface we can often see lovely sunrises and sunsets at the terminator. However, these same conditions pose some difficulties for cloud-observing satellites. >>

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