The Cusp Region EXPeriment (C-REX) in 2014 created brightly colored clouds in space. Photo: NASA; Jason Ahrns/Flickr (CC BY-NC-SA 2.0)

A NASA rocket is about to shoot coloured clouds into space

Experiment will help scientists better probe two gaping holes in Earth’s protective magnetic shield

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The Cusp Region EXPeriment (C-REX) in 2014 created brightly colored clouds in space. Photo: NASA; Jason Ahrns/Flickr (CC BY-NC-SA 2.0)
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