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A black hole's secrets could hide in its dizzying light 'echoes'
Black hole light echoes are an extreme form of gravitational lensing. To measure the masses and spins of black holes, ...
Live Science on MSN11h
Extremely rare 'failed supernova' may have erased a star from the night sky without a trace
Some stars may transform into black holes without exploding into supernovae. Now, astronomers have finally spotted it as it happened.
How did supermassive black holes get so big, so early? They might have had a head start
Supermassive black holes (SMBHs) can have billions of solar masses, and observational evidence suggests that all large ...