A "radio phoenix" emerged when one cluster of #galaxies slammed into another, sending shock waves through the system. The shock waves passed through a dormant cloud of #electrons , compressing the cloud & re-energizing the electrons, causing the cloud to once again shine at #radio frequencies. 🐦🔥Want to know more about this faded electron cloud "coming back to life," much like the mythical #phoenix ? Visit: https://chandra.harvard.edu/instagram/ 📱Want this #beautiful #pic as a new background #wallpaper for your phone or tablet? https://chandra.harvard.edu/instagram/wallpaper/ #learn #nasa #space #science #astronomy #physics

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