Thanks to gravitational lensing and Webb's sensitivity, new details have been revealed in the El Gordo galaxy cluster.
This infrared image of the galaxy cluster known as “El Gordo” reveals distant and dusty objects never seen before. Webb’s incredible data has fueled four new scientific papers on El Gordo and the incredible objects that it reveals through gravitational lensing. | Credit: NASA, ESA, CSA, J. Diego , B. Frye , P. Kamieneski , T. Carleton , R. Windhorst , A. Pagan , J. Summers , J. D’Silva , A. Koekemoer , A.
El Gordo is a cluster of hundreds of galaxies that scientists believe existed when the universe was just 6.2 billion years old, which NASA says makes El Gordo a “cosmic teenager.” It is the most massive cluster known to exist at this time in the universe’s evolution. “We had a meeting with many scientists and shared the image with all of them for feedback,” Pagan tells“There are logistics that make this type of release a bit more difficult in terms of communication and waiting for all the papers to be published before making the release public; so ultimately, it functions the same, but with more moving parts,” Pagan continues.Within the new image of El Gordo are numerous interesting features, including a bright arc in the upper right area.
“We were able to carefully dissect the shroud of dust that envelops the galaxy center where stars are actively forming,” says Patrick Kamieneski of Arizona State University, lead author on a. “Now, with Webb, we can peer through this thick curtain of dust with ease, allowing us to see firsthand the assembly of galaxies from the inside out.”
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