VLA and Hubble telescope image of galaxy cluster MACSJ0717.5+3745
A Karl G. Jansky Very Large Array radio image superimposed on a Hubble Space Telescope image of the galaxy cluster MACSJ0717.5+3745. The red-orange objects are large structures called radio relics, possibly caused by shock waves within the cluster.
[The National Radio Astronomy Observatory is a facility of the U.S. National Science Foundation.]
Learn more in the NRAO news story Cosmic lens reveals faint radio galaxy. (Date image taken: unknown; date originally posted to NSF Multimedia Gallery: June 22, 2021)
Credit: Heywood et al.; Sophia Dagnello, NRAO/AUI/NSF; STScI (Creative Commons Attribution 3.0 Unported -- CC BY 3.0)
Special Restrictions: This photo is licensed under Creative Commons license (Creative Commons Attribution 3.0 Unported -- CC BY 3.0.)
Images and other media in the National Science Foundation Multimedia Gallery are available for use in print and electronic material by NSF employees, members of the media, university staff, teachers and the general public. All media in the gallery are intended for personal, educational and nonprofit/non-commercial use only.
Images credited to the National Science Foundation, a federal agency, are in the public domain. The images were created by employees of the United States Government as part of their official duties or prepared by contractors as "works for hire" for NSF. You may freely use NSF-credited images and, at your discretion, credit NSF with a "Courtesy: National Science Foundation" notation.
Additional information about general usage can be found in Conditions.
Download the high-resolution JPG version of the image. (970.6 KB)
Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.