Céline Peroux
European Southern Observatory (ESO) (Garching, Allemagne)
above all for studies of galaxy formation and growth of structure. New
observatories and advanced simulations are revolutionising our
understanding of the cycling of matter into, through, and out of
galaxies. In this talk I will provide an overview of the normal matter
in collapsed structures and their chemical make-up and dust content. I
will present fresh clues of the cosmic evolution of cold gas; revisit
the 20-year old "missing metals problem" and introduce new
calculations of the dust content of the Universe up to early
times. Together, these results provide an increasingly accurate
description of the baryon cycle which plays many crucial roles in
transforming the bare pristine Universe left after the Big Bang into
the rich and diverse Universe in which we live today.
Webinaire, Institut d'Astrophysique de Paris