Supernova Confetti in Meteorites

1
Supernova Confetti in Meteorites
Chemically-leached size separates from two
primitive carbonaceous chondrites have elevated
bulk 54Cr/52Cr ratios compared to solar values,
suggesting the presence of grains with
significant enrichments in 54Cr.
2
Supernova Confetti in Meteorites
Cr-bearing spinel grain in the lt 200 nm size
fraction separated from the Orgueil chondrite has
54Cr/52Cr of 3.6 x solar
3
Supernova Confetti in Meteorites Supernova Source
Supernova remnant 1006
Supernova remnant E0102