
Scientists measure the spin rates of supermassive black holes by spreading the X-ray light into different colors. The light comes from accretion disks that swirl around black holes, as shown in both of the artist concepts.
Most NASA images are in the public domain and free to use. Credit NASA as the source. Check NASA's media usage guidelines for details. Images featuring identifiable individuals may require additional permissions.
NASA ID
PIA16697
Date Created
February 27, 2013
Center
JPL
Media Type
image
Download this image in multiple resolutions. All NASA media are free for public use.
Large
1920px