Extragalactic globular clusters with Euclid and other wide surveys
  Globular clusters play a role in many areas of astrophysics, ranging from
stellar physics to cosmology. New ground-based optical surveys complemented by
observations from space-based telescopes with unprecedented near-infrared
capabilities will help us solve the puzzles of their formation histories. In
this context, the Wide Survey of the Euclid space mission will provide red and
near-infrared data over about 15000 square degrees of the sky. Combined with
optical photometry from the ground, it will allow us to construct a global
picture of the globular cluster populations in both dense and tenuous
environments out to tens of megaparsecs. The homogeneous photometry of these
data sets will rejuvenate stellar population studies that depend on precise
spectral energy distributions. We provide a brief overview of these
perspectives.
