INSTRUCTIONS:

To set this image as your background, right-click on the image below (control-click on a Macintosh). From the menu, select the option 'Set as Background' or 'Set as Wallpaper.'

Out of This Whirl: the Whirlpool Galaxy (M51) and Companion Galaxy

Credit: NASA, ESA, S. Beckwith (STScI), and The Hubble Heritage Team (STScI/AURA)