All Images
Gravitational waves from colossal black holes found using 'cosmic clocks'
An artist's rendering of gravitational waves emitted from a close-orbiting pair of ultra-massive black holes.
Credit: Keyi "Onyx" Li/National Science Foundation
Download the high-resolution JPG version of the image. (717.2 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.