Photo: Annalisa Bonafede The coma cluster is 300 million light-years from Earth and consists of over 1,000 galaxies, shown here in radio and infrared fields. The radio data make the radiation from the high-energy particles that penetrate the magnetized space between galaxies visible.
Photo: Annalisa Bonafede The coma cluster is 300 million light-years from Earth and consists of over 1,000 galaxies, shown here in radio and infrared fields. The radio data make the radiation from the high-energy particles that penetrate the magnetized space between galaxies visible. For 7 years, an international research team that included the Hamburg Observatory of Universität Hamburg gathered data for a new sky map depicting 4.4 million galaxies. Previously, these galaxies were unknown. The map has now been published in the journal "Astronomy & Astrophysics". This discovery was possible by the largest-ever radio telescope LOFAR (Low Frequency Array), which has receiving stations in 7 European countries. Researchers mapped a fourth of the northern sky within the radio wave area and are now publishing the data.
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