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Event Horizon Telescope images reveal new dark matter detection method

Event Horizon Telescope images reveal new dark matter detection method
Simulated images of the supermassive black hole M87*. Left panel shows radiation from astrophysical plasma and right panel illustrates potential emission from dark matter annihilation. Credit: Yifan Chen.

According to a new Physical Review Letters study, black holes could help solve the dark matter mystery. The shadowy regions in black hole images captured by the Event Horizon Telescope can act as ultra-sensitive detectors for the invisible material that makes up most of the universe’s matter.

Dark matter makes up roughly 85% of the universe’s matter, but scientists still don’t know what it actually is. While researchers have proposed countless ways to detect it, this study introduces black hole imaging as a fresh detection method—one that comes with some distinct benefits.

The...

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