A space rock generally the size of Rome's Colosseum - between 300 to 650 feet (100 to 200 meters) long - has been identified by a global group of European cosmologists utilizing NASA's James Webb Space Telescope.
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Credits
ARTWORK: NASA, ESA, CSA, N. Bartmann (ESA/Webb), Martin Kornmesser (ESA), Serge Brunier (ESO), Nick Risinger Photopic Sky Survey)
