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, 112 (3), 035001

Observation of the Optical and Spectral Characteristics of Ball Lightning

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Observation of the Optical and Spectral Characteristics of Ball Lightning

Jianyong Cen et al. Phys Rev Lett.

Abstract

Ball lightning (BL) has been observed with two slitless spectrographs at a distance of 0.9 km. The BL is generated by a cloud-to-ground lightning strike. It moves horizontally during the luminous duration. The evolution of size, color, and light intensity is reported in detail. The spectral analysis indicates that the radiation from soil elements is present for the entire lifetime of the BL.

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