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]
Gaia est une mission ambitieuse de l'Agence Spatiale Européenne (ESA)) visant à cartographier notre...
The ObAS seminars have moved online, every Friday morning at 10:30 here The program of the coming...
Un poste de maître de conférences est ouvert au concours à l’Observatoire astronomique de...
Comme la plupart des galaxies spirales, la Voie lactée a en son centre une condensation d'étoiles à...
Le Globe de Coronelli de Strasbourg restauré sera inauguré officiellement (sur invitation) ce...
En raison de la situation sanitaire, il n'y aura pas de visites de la Grande Coupole de...