Tag: nucleosynthesis

• Early quasar illuminates a Universe without metals

  The moments after the Big Bang left the Universe very hot and dense. In that violent environment, the first nuclei came to be: hydrogen, helium, and lithium…but nothing heavier. The elements more massive than helium (which astronomers perversely refer to as “metals”) were forged by stars and spread through the Universe as those stars died. […]

  Matthew R. Francis

  December 5, 2012

  Ars Technica, Writing for Other Sites

  cosmology, nucleosynthesis, quasars