The most recent outburst, they estimated, was about 11 million years ago and was the equivalent of about 10 million supernova explosions.This black hole sits in M87, a nearby galaxy. If the black hole at the center of our galaxy were to output the energy of 10 million supernovae ...
Tuesday, August 03, 2004
When a black hole burps ...
The New York Times > Science > Space & Cosmos > Songs of the Galaxies, and What They Mean
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