RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / OBSERVATOIRE DE PARIS - PSL / CYRIL TASSE" - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS
This handout released by Paris Observatory - PSL on February 20, 2019, shows an image taken with the Low-Frequency Array (LOFAR) radio telescope of diffuse emissions of material in a galaxy cluster. - A new map of the night sky published on February 20 charts hundreds of thousands of previously unknown galaxies discovered using the Low-Frequency Array (LOFAR) radio telescope that can detect light sources optical instruments cannot see. The international team behind the unprecedented space survey said their discovery literally shed new light on some of the Universe's deepest secrets, including the physics of black holes and how clusters of galaxies evolve. (Photo by Cyril TASSE / OBSERVATOIRE DE PARIS - PSL / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / OBSERVATOIRE DE PARIS - PSL / CYRIL TASSE" - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS