April 20, 2024 04:39 (IST)
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"Russian Doll" galaxy clusters reveal information about dark energy

California, Apr 29 (IBNS) 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 that is currently driving the accelerating expansion of the universe.