title: Astrophysics: Elemental abundances across cosmic time.
authors.affiliation: Centre for Astrophysics Research, School of Physics, Astronomy and Mathematics, University of Hertfordshire, Hatfield AL10 9AB, UK.
authors.forename: Chiaki
authors.initials: C
authors.lastname: Kobayashi
mesh_terms: D003359:Cosmic Radiation; D006801:Humans