“Echo Mapping” Light Bursts From Supermassive Black Holes in Faraway Galaxies to Measure Vast Cosmic Distances

Matter swirling around supermassive black holes creates bursts of light that “echo” in nearby dust clouds. These traveling signals could serve as a new cosmic...

The post “Echo Mapping” Light Bursts From Supermassive Black Holes in Faraway Galaxies to Measure Vast Cosmic Distances appeared first on SciTechDaily.

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