Observation of the Optical and Spectral
β
Cen, Jianyong; Yuan, Ping; Xue, Simin
π
Article
π
2014
π
The American Physical Society
π
English
β 866 KB
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