Space supernova discovery sheds new light on mysterious medieval phenomenon
dailystar.co.uksupernova has seen observed by astronomers for the first time - in a "eureka moment" four decades after it was predicted in 1980.Scientists used to think only one of two things happen when stars run out of fuel and explode but could never explain a mysterious phenomenon reported in China nearly 1,000 years ago.Until recently, there was no hard evidence that anything other than core-collapse supernovae - which leave behind black holes and neutron stars - and thermo nuclear supernovae, which form white dwarf stars, happen in nature.But Ken'ichi Nomoto of the University of Tokyo's prediction that there is a third possibility - which he dubbed the electron capture supernova - has finally been proved correct.And what's more, in 1054 a supernova.
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