Stardust particle locked in meteorite holds secrets of a star's explosive death

[Admin]

A tiny grain of dust sealed within an ancient meteorite weaves together the story of the solar system's creation and reveals a much older tale of a rare star's explosive supernova death.

Stardust particle locked in meteorite holds secrets of a star's explosive death : Read more

 

[Torbjorn Larsson]

Neat analysis in the paper! They use oxygen isotope ratios to conclude a H-burning core collapse supernova. That the olivine grain, a typical volcanic mantle mineral, is an end member forsterite implies it was produced in a pre-nova star atmosphere where similar minerals have been observed in some stars.