Charla de Jordi Miralda
QCD axions as dark matter and their potential detection by gravitational microlensing Jordi Miralda Escudé es ICREA Professor of Astrophysics Institut de Ciències del Cosmos Abstract:The most distant single stars we have observed are in cases of extreme gravitational lensing magnification, when the source star crosses a lensing caustic of a cluster of galaxies that […]