Hindustan Times: The death of a star in a spectacular supernova event may have led to the birth of our Sun and solar system, a new study has suggested. The findings are based on new computer simulations developed by Dr Matthias Gritschneder, from Beijing’s Peking University, and colleagues. Gritschneder and colleagues found shock waves generated by a supernova could have caused the collapse of a molecular gas and dust cloud, eventually leading to the formation of the Sun and planets. The model also explains unusual isotope readings in some of the oldest bodies of the solar system. Gritschneder and colleagues said their model shows a supernova event 15 light years away was the most likely trigger. “The blast’s shock wave and hot gases travelled through space eventually colliding with a molecular cloud of cold gas and dust, causing it to quickly collapse, forming the Sun and solar system
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