In 2014, astronomers regulating a NASA/ESA Hubble Space Telescope found that this huge universe cluster contains a mass of a towering 3 million billion suns — so it’s small consternation that it has warranted a nickname of “El Gordo” (“the Fat One” in Spanish)! Known strictly as ACT-CLJ0102-4915, it is a largest, hottest, and brightest X-ray universe cluster ever detected in a apart Universe.
Galaxy clusters are a largest objects in a Universe that are firm together by gravity. They form over billions of years as smaller groups of galaxies solemnly come together. In 2012, observations from ESO’s Very Large Telescope, NASA’s Chandra X-ray Observatory and a Atacama Cosmology Telescope showed that El Gordo is indeed stoical of dual universe clusters colliding during millions of kilometers per hour.
The arrangement of universe clusters depends heavily on dim matter and dim energy; investigate such clusters can therefore assistance strew light on these fugitive phenomena. In 2014, Hubble found that many of El Gordo’s mass is secluded in a form of dim matter. Evidence suggests that El Gordo’s “normal” matter — mostly stoical of prohibited gas that is splendid in a X-ray wavelength domain — is being ripped from a dim matter in a collision. The prohibited gas is negligence down, while a dim matter is not.
This picture was taken by Hubble’s Advanced Camera for Surveys and Wide-Field Camera 3 as partial of an watching module called RELICS (Reionization Lensing Cluster Survey). RELICS imaged 41 large universe clusters with a aim of anticipating a brightest apart galaxies for a stirring James Webb Space Telescope to study.
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