Thursday, July 15, 2021

6 Super Spiral Galaxies. They have diameters of up to 450,000 light-years across, almost 4 times larger than the Milky Way. There have only been about 100 of them discovered to date. [1920 x 1285] (Credit: NASA/ESA, P. Ogle & J. DePasquale (STScI). Bottom row: SDSS, P. Ogle and J. DePasquale) via /r/spaceporn

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