The 12th Edition of the Marseille Cosmology Conference Series
9-13 Jul 2018 Marseille (France)

Scientific Rationale

Since its conception more than 50 years ago, the intergalactic medium (IGM) has been chiefly the study of interconnectivity. This gas traces the cosmic web between galaxies. It connects galaxies to their fuel (and the energetic consequences of this fueling) in the circumgalactic medium. It connects collapse and cosmological expansion. It connect galaxies to the metagalactic background and subsequently to the ionization of baryons. It connects quasar spectra to large-scale structure through absorption.


At this conference we seek to understand these connections in order to establish a holistic picture of galaxy formation, the properties of baryons, and the expansion of the universe. Key to this goal is promoting greater interconnectivity between communities: cosmologists and IGM scientists, observers and simulators, data analysis and theory, project planners and modellers. Through sharing the latest results and fostering new connections we wish to prepare the community for the emergence of new massive IGM surveys and facilities for many years to come.

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