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...
Tag Archives: dark energy
[caption id="attachment_127" align="alignright" width="248"] A stack of 776 microwave background patches corresponding to cosmic voids. A cold spot is seen suggesting that the photons are cooled by voids. The temperature scale is in microkelvin. Figure courtesy of