Possible linkage between supernovae, increased terrestrial lightning, and wildfire activity in the Late Miocene and Early Pleistocene

Brian C Thomas, Washburn University, Topeka, United States, Georg Feulner, Potsdam Institute for Climate Impact Research, Potsdam, Germany, Adrian L Melott, University of Kansas, Lawrence, KS, United States, Thonicke Kirsten, Potsdam Institute for Climate Impact Research, RD1 - Earth System Analysis, Potsdam, Germany and Werner von Bloh, Potsdam Inst Climate Res, Potsdam, Germany