Tag: clusters

VIPERS: A look halfway back in the life of the Universe

What did the Universe look like 7 billion years ago?  VIPERS (the VIMOS Public Extragalactic Redshift Survey) is mapping the distribution of galaxies at redshift 1, an epoch when the Universe was half its present age.  VIPERS is an ESO large project with an international team led by DarkLight investigator Luigi Guzzo. VIPERS observes a critical period in cosmic history when dark…