永利国际唯一指定官网:Thundercloud gamma rays hint at origins of lightning

 作者:毕孱     |      日期:2019-03-14 04:18:02
MYSTERIOUS gamma ray bursts that occur in the first moments of a storm, as lightning jumps between clouds, hint at where lightning comes from. It is even possible that passengers in planes flying above storms could be bathed in dangerous radiation. Terrestrial gamma ray flashes (TGFs) were discovered in 1994 emanating from the tops of thunderclouds. To explore their origin, Xuan-Min Shao of Los Alamos National Laboratory, New Mexico, and David Smith of the University of California, Santa Cruz,