 , Kirkby, Livingston Penn, Lockwood, Svensmark, Abdussamatov, Corbyn Eburu amuma a miri emi anyanwụ kacha nta, nke yiri nke ndị electro-mgbawa ugwu Little ice-Age, mgbe mgbawa ugwu ahụ dị elu na-afọ nke ruo ogologo oge minima nke anyanwụ ọrụ 27- Strestik J. 