28-04-2016 18:48 via scitechdaily.com

Galaxy Clusters Reveal Information About Dark Energy

Researchers are using a large sample of galaxy cluster to investigate dark energy, showing that dark energy has not changed over billions of years. Astronomers have used data from NASA’s Chandra X-ray Observatory, ESA’s Planck and a large list of optical telescopes to develop a powerful new method for investigating dark energy, the mysterious energy […]
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