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New insight into galaxy cluster's spectacular 'mini-halo'

VLA image of radio-emitting mini-halo in the Perseus Cluster of galaxies. Radio emission in red; optical in white.
Credit: Gendron-Marsolais et al.; NRAO/AUI/NSF; NASA; SDSS.

Astronomers using the National Science Foundation’s Karl G. Jansky Very Large Array (VLA) have discovered new details that are helping them decipher the mystery of how giant radio-emitting structures are formed at the center of a cluster of galaxies.

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