Milky Way Center Signals Point to Excited Dark Matter

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Source: BBC Sky at Night Magazine
Milky Way Center Signals Point to Excited Dark Matter
Photo: BBC Sky at Night Magazine
TL;DR Summary

Astronomers say a single excited dark matter model could explain three puzzling signals from the Milky Way's center—the 511-keV gamma-ray line, a 2 MeV continuum, and unusually high ionisation in the Central Molecular Zone—potentially guiding future space missions to test dark matter behavior.

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