Kiwi-Scottish starman Dr Stephen Curran returns by popular demand to unpack cosmic goings-on.
This week: how all the iron in your blood came from a massive star which lived and died before the Sun even formed, plus he debunks a recent report of a colossal solar flare potentially causing a mass extinction.
Dr Stephen Curran is a senior lecturer in astrophysics at Victoria University
Photo: Dr Stephen Curran- astrophysics lecturer, Victoria University
