Too much sodium turns a star blue

An international team of astrophysicists, led by researchers from the Université de Montréal, has identified a star on which a sodium-rich asteroid has crashed, drastically transforming its apparent color. These results raise many questions about the origin of this strange object. The research that led to this discovery was directed by Simon Blouin and Patrick […]

L’enseignant chercheur Martin Aubé invité à Bruxelles

L’enseignant et chercheur au Département de physique du Cégep de Sherbrooke Martin Aubé prononcera la conférence d’ouverture à l’occasion de la cérémonie soulignant le 100e anniversaire de l’Union astronomique internationale qui se tiendra au palais des académies de Bruxelles le 11 avril prochain. Par les activités commémorant son centenaire, l’Union astronomique internationale souhaite accroître la […]

Fortuitous discovery of a new galaxy in the cosmic neighbourhood

Astronomers using the NASA/ESA Hubble Space Telescope to study some of the oldest and faintest stars in the globular cluster NGC 6752 have made an unexpected finding. They discovered a dwarf galaxy in our cosmic backyard, only 30 million light-years away. The finding is reported in the journal Monthly Notices of the Royal Astronomical Society: […]