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Space.com on MSN4h
NASA spacecraft spots monster black hole bursting with X-rays 'releasing a hundred times more energy than we have seen elsewhere'
"This pushes our models to their limits and challenges our existing ideas about how these X-ray flashes are being generated." ...
How NASA science data defends Earth from asteroids
YR4 made headlines in February with the news that it had a chance of hitting Earth on Dec. 22, 2032, as determined by an analysis from NASA's Center for Near Earth Object Studies (CNEOS) at the agency ...