A radio ridge that connects two huge, merging galaxy clusters has been discovered by scientists. This is the first time a magnetic field has been observed in the filaments in intergalactic space that connect clusters, researchers say.
Galaxy clusters are enormous structures potentially containing thousands of galaxies. They are some of the biggest structures in the universe that are bound by galaxy. They grow by merging with smaller structures in a process that produces a huge amount of turbulence in the gas surrounding both galaxies. In the intergalactic space between two merging galaxies are filaments.
The Abell catalogue is a collection of around 4,000 galaxy clusters and two of these, Abell 0399 and Abell 0401 are currently in the process of merging.
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