International Gemini Observatory/NOIRLab/NSF/AURA
Fe II/Mg II abundance as a function of redshift
Fe II/Mg II abundance as a function of redshift indicating no sign of cosmic evolution as a function of age, even as far back as z ~ 6.
International Gemini Observatory/NOIRLab/NSF/AURA
Fe II/Mg II abundance as a function of redshift indicating no sign of cosmic evolution as a function of age, even as far back as z ~ 6.
