Billion-light-year-wide 'bubble of galaxies' discovered
Billion-light-year-wide 'bubble of galaxies' discovered
phys.org Billion-light-year-wide 'bubble of galaxies' discovered
Astronomers have discovered the first "bubble of galaxies," an almost unimaginably huge cosmic structure thought to be a fossilized remnant from just after the Big Bang sitting in our galactic backyard.
![Billion-light-year-wide 'bubble of galaxies' discovered](https://lemmy.world/pictrs/image/c1223bb1-aec4-4575-8749-ca6bb5c54f6a.jpeg?format=webp&thumbnail=256)
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