星系壁纸
by NASA, ESA, the Hubble Heritage Team STScI/AURA-ESA/Hubble and W. Keel University of Alabama, Tuscaloosa
NASA Image Library · 公有领域（Public Domain）
关于这张图
NGC 6621/2 VV 247, Arp 81 is a strongly interacting pair of galaxies, seen about 100 million years after their closest approach. This image is part of a large collection of images of merging galaxies taken by NASA Hubble Space Telescope.
