Wannan sakamakon ya yi daidai da kwanan watan radiometric na mafi tsufa Solar System abu, a 4.567 biliyan shekaru da suka wuce. Nazarin tsoffin meteorites sun nuna alamun tsayayyen 'yar' yar tsakiya na isotopes masu gajeren lokaci, irin su baƙin ƙarfe-60, wanda ya samo asali ne kawai a cikin fashewa, taurari masu gajeren lokaci. Wannan yana nuna cewa daya ko fiye da supernovae dole ne sun faru a kusa da wurin da aka kafa Sun.
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