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The Russian-German Spektrum-Roentgen-Gamma (SRG) space mission successfully lifted off from the Baikonur cosmodrome on Saturday, July 13 at 14:31. Onboard is the eROSITA X-ray telescope, which was developed and built by a consortium of German institutes supported by Deutsches Zentrum für Luft- und Raumfahrt (DLR) and led by the Max Planck Institute for Extraterrestrial Physics (MPE). Astronomers from the University of Bonn are involved in the scientific preparation and exploitation. 1.5 million kilometres from Earth, eROSITA will perform a deep survey of the entire X-ray sky over the next four years, providing the first ever deep imaging survey of the sky at soft and hard X-rays.
"We built eROSITA to transform the way we see the X-ray sky, and to unravel the mysteries of cosmology and black holes," says Peter Predehl, principal investigator of the X-ray telescope at MPE. "This is the moment when the efforts of the team working for more than a decade come to fruition."
EROSITA - Part - Spektrum-Roentgen-Gamma - SRG - Space
eROSITA is part of the Russian-German Spektrum-Roentgen-Gamma (SRG) space mission, which also includes the Russian ART-XC telescope. The eROSITA X-ray telescope was developed and built at the Max Planck Institute for Extraterrestrial Physics (MPE), together with several University partners. It will perform a deep survey of the entire X-ray sky.
Over a period of four years, eROSITA is expected to find 100,000 X-ray emitting galaxy clusters, several million active black holes in the centres of galaxies, and many rare objects such as isolated neutron stars. "The main scientific goal of eROSITA is to reveal the large scale structure of the universe and how that structure grows over cosmic time. This might help reveal the properties of the mysterious 'dark energy' pulling the universe apart," explains Andrea Merloni, the eROSITA Project Scientist at MPE. The clusters of galaxies that mark out that structure are filled with...
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