This Hubble Space Telescope image shows NGC 1275, a galaxy located in the center of the Perseus cluster. The red threadlike filaments are composed of cool gas suspended by a magnetic field
This image from the Japanese Advanced Satellite for Cosmology and Astrophysics shows the X-ray glow of the 100-million-degree Fahrenheit gas that fills the Perseus cluster. The white box indicates the area explored by the Suzaku X-ray telescope to detect chromium and manganese. The image is about two degrees wide, or four times the apparent width of a full moon.