Understanding metal enrichment in the early Universe through quasar spectroscopy -- Chemical elements heavier than helium – commonly referred to as “metals” in astrophysics – are synthesized by stars and […]

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Observational constraints on massive black holes in the first billion years One of the most surprising results coming out of the first years of science operations with JWST is the […]

Cosmic rays in the interstellar medium Cosmic rays (CRs) are high energy particles with with an energy density comparable to the other energy densities in the interstellar medium (ISM) and […]

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