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Correspondence

Nature 426, 227 (20 November 2003) | doi:10.1038/426227d

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Casting light on mystery of auroral flashes

Len Freeman1

  1. 23 Hope Street, Cambridge CB1 3NA, UK

There may be a simple explanation for the puzzling auroral flashes seen by astronaut Ed Lu (Nature 425, 888; 2003). They could be due to an electrical discharge between regions of the atmosphere containing different electrostatic charges.