Submillisecond imaging of sprite development and structure

  title={Submillisecond imaging of sprite development and structure},
  author={Steven A Cummer and Nicolas Jaugey and Jingbo Li and Walter A. Lyons and Thomas Edward Nelson and Elizabeth A. Gerken},
[1] We report intensified high speed video observations of two mesospheric transient luminous events acquired at 5000 and 7200 frames per second. Downward streamers appear to initiate either spontaneously or from brightening inhomogeneities at the bottom of a halo, and branch as they propagate downward. Simultaneously, a brighter column expands upward and downward from the initiation point. This expansion is usually followed by the development of bright upward propagating streamers that… CONTINUE READING

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