![We found some strange radio sources in a distant galaxy cluster. They're making us rethink what we thought we knew. We found some strange radio sources in a distant galaxy cluster. They're making us rethink what we thought we knew.](https://images.theconversation.com/files/475823/original/file-20220725-24-3t22af.jpg?ixlib=rb-1.1.0&rect=0%2C0%2C9315%2C9315&q=45&auto=format&w=926&fit=clip)
We found some strange radio sources in a distant galaxy cluster. They're making us rethink what we thought we knew.
![Network model of cluster-based cognitive radio-based wireless sensor... | Download Scientific Diagram Network model of cluster-based cognitive radio-based wireless sensor... | Download Scientific Diagram](https://www.researchgate.net/publication/280807261/figure/fig2/AS:613904719822858@1523377699945/Network-model-of-cluster-based-cognitive-radio-based-wireless-sensor-networks.png)
Network model of cluster-based cognitive radio-based wireless sensor... | Download Scientific Diagram
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![We found some strange radio sources in a distant galaxy cluster. They're making us rethink what we thought we knew. We found some strange radio sources in a distant galaxy cluster. They're making us rethink what we thought we knew.](https://images.theconversation.com/files/476659/original/file-20220729-5473-l4tehb.png?ixlib=rb-1.1.0&q=45&auto=format&w=754&fit=clip)
We found some strange radio sources in a distant galaxy cluster. They're making us rethink what we thought we knew.
![Examples of cluster radio shocks. The radio emission is shown in red... | Download Scientific Diagram Examples of cluster radio shocks. The radio emission is shown in red... | Download Scientific Diagram](https://www.researchgate.net/publication/331234223/figure/fig5/AS:962173434081291@1606411431531/Examples-of-cluster-radio-shocks-The-radio-emission-is-shown-in-red-and-the-X-ray.png)