3 ms·
http://en.wikipedia.org/wiki/Lightning#Gamma_rays_and_the_runaway_breakdown_theory http://en.wikipedia.org/wiki/Lightning#Gamma_rays_and_the_ru...
by teeja 17y ago
http://en.wikipedia.org/wiki/Lightning#Gamma_rays_and_the_runaway_breakdown_theory http://en.wikipedia.org/wiki/Lightning#Gamma_rays_and_the_ru...