Séminaires passés (à partir de sept. 2012)

Melaine Saillenfest IMCCE   Trans-Neptunian objects have complex orbital dynamics involving mechanisms as diverse as close encounters with Neptune, chaotic scattering driven by resonance overlap,...[En savoir plus]

Sarrvesh Sridhar Astron   Non-thermal radio continuum emission is an excellent tracer of magnetic fields in galaxies. Historically, observations of galaxies at low radio frequencies (below 1 GHz)...[En savoir plus]

Jackson Said University of Malta   The standard model of cosmology has shown remarkable success in explaining cosmological observations in recent decades. This model consists of Einstein's theory...[En savoir plus]

Jonathan Freundlich Hebrew University   Galaxy history is marked by a peak of star formation ten billion years ago and a subsequent drop of the star formation rate (SFR) by an order of magnitude....[En savoir plus]

Guillaume Thomas NRC Herzberg Victoria   The stellar halo of our Galaxy is mostly formed by stars that were initially lying in dwarf galaxies and globular clusters, which have been disrupted by...[En savoir plus]

Justin Read University of Surrey   Dark matter makes up most of the mass of the Universe but remains mysterious. I discuss recent progress in constraining its properties by measuring its...[En savoir plus]

Florent Renaud Lund   In the Gaia era, and with more and more complete surveys, the assembly of the Milky Way is being scrutinized with an always increasing accuracy. The kinematic and chemical...[En savoir plus]

Jean-Loup Puget IAS/ENS   Les données de la mission Planck ont vérifié plusieurs prédictions génériques du paradigme d'inflation qui donne une base physique aux conditions initiales du modèle...[En savoir plus]