HomeSpace NewsDead stars in Milky Way's companion galaxy cause gamma-ray cocoon

Dead stars in Milky Way’s companion galaxy cause gamma-ray cocoon

Mysterious ultrabright gamma-ray emissions in the giant bubbles blown out by our galaxy may finally have an explanation.

Researchers used data from the Gaia and Fermi space telescopes to search through the Fermi bubbles, a pair of colossal hourglass-shaped bubbles that extend from the poles of the Milky Way and span 50,000 light-years, to trace the source of the very bright gamma-ray emission spots.

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