Robert Lea is a science journalist in the U.K. whose articles have been published in Physics World, New Scientist, Astronomy Magazine, All About Space, Newsweek and ZME Science. He also writes about science communication for Elsevier and the European Journal of Physics. Rob holds a bachelor of science degree in physics and astronomy from the U.K.’s Open University. Follow him on Twitter @sciencef1rst.
"Astronomers analyzed red spiral galaxies in one of the James Webb Space Telescope's first images, that of the galaxy cluster SMACS J0723.3–7327. Seen through the eyes of JWST, the most powerful telescope ever placed into orbit, the galaxy cluster magnifies objects seen behind it, letting astronomers see deeper into the universe. The researchers determined that some of these galaxies represent the most distant spiral galaxies ever seen.
Discovering a rare red spiral galaxy population from the early universe with the James Webb Space Telescope, https://phys.org/news/2022-12-rare-red-spiral-galaxy-population.html My notes. The report is 6-page PDF file. From the published report."4. Results and Discussion 4.1. SED Fitting Results We found that the redshifts of extremely red spirals are in a range of zph=1–3. In particular, RS 14 is one of the highest redshift spiral galaxies identified so far ."
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