A recent image from the JamesWebbSpaceTelescope shows the most massive galaxy cluster we know of, one so large that it is nicknamed El Gordo, or the fat one.
A recent image from the James Webb Space Telescope shows the most massive galaxy cluster we know of — one so large that it is nicknamed El Gordo, or the fat one. Thought to have a mass of over 2 quadrillion times the mass of the sun, the cluster is located 7 billion light-years away and hosts hundreds of galaxies that are gravitationally bound together.
As the cluster has so much mass, images of it show a phenomenon called gravitational lensing, in which massive objects in the foreground bend space-time and magnify the light coming from distant background galaxies. That allows researchers to get a few of the extremely distant objects that would otherwise be too far away to see, like a galaxy called the Thin One and the Fishhook .
France Dernières Nouvelles, France Actualités
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