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It's hard to comprehend the vastness of space. A new atlas helps, a little.
The Siena Galaxy Atlas contains the most precise overview of galaxies in the nearby universe: 380,000 of them, each one as vast and storied as our own Milky Way. https://noirlab.edu/public/news/noirlab2328/
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Optical mosaics of 42 galaxies from the SGA-2020 sorted by increasing angular diameter from the top-left to the bottom-right. Galaxies are chosen randomly from a uniform (flat) probability distribution in angular diameter. The horizontal white bar in the lower-left corner of each panel represents 1 arcminute and the mosaic cutouts range from 3.2 to 13.4 arcminutes. This figure illustrates the tremendous range of types, sizes, colors and surface brightness profiles, internal structure, and environments of the galaxies in the SGA. Credit: CTIO/NOIRLab/DOE/NSF/AURA/J. Moustakas

New Siena Galaxy Atlas Delivers Improved Measurements of Almost 400,000 Nearby Galaxies - The unprecedented digital atlas includes data from NOIRLab telescopes and will be an invaluable resource for research into galaxy formation and the structure of the

Astronomers have created a detailed atlas of almost 400,000 galaxies in our cosmic neighborhood. The Siena Galaxy Atlas was compiled using data from NSF's NOIRLab telescopes, and is designed to be the pre-eminent digital galaxy atlas for large galaxi…
www.noirlab.edu
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