by
Prof.Masataka Fukugita(IPMU, Univ. of Tokyo and Max-Planck-Institute for Astrophysics, Garching)
→
Europe/Rome
131 (INFN, Area Pontecorvo, Building C)
131
INFN, Area Pontecorvo, Building C
Description
Abstract: Galaxy is not an island universe isolated in empty space.
Intergalactic space is filled with materials, at least, with dark matter and dust, as we could probe (hydrogen is more difficult to probe), thus significant interplay exists between galaxies and the circumgalactic environment. Typical entity that we can use to probe circumgalactic/intergalactic space is quasar-absorption-line systems. I address about the nature and problems with these systems, as I probed with our circumgalactic studies.
