2022Perseus Cluster
Chandra
Black holes · 2021
The deepest X-ray image ever made

More than seven million seconds of staring at one patch of sky. Almost every colored dot is a black hole or a distant galaxy, not a nearby star.
What you’re hearing
The bar rises from the bottom of the image to the top. Color becomes pitch; brightness becomes volume. You are hearing black holes across cosmic time.
Layers
NASA/CXC/SAO/K. Arcand, SYSTEM Sounds (M. Russo, A. Santaguida)

Perseus Cluster
Black hole waves