A glowing aurora photo taken by Expedition 46 flight engineer Tim Peake of the European Space Agency (ESA) from the International Space Station on February 23, 2016 is shown in this image released on February 24, 2016. Aurora are one effect of such energetic particles, which can speed out from the sun both in a steady stream called the solar wind and due to giant eruptions known as coronal mass ejections or CMEs. (Photo by Tim Peake/Reuters/ESA/NASA)
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