Alien saucers known as motherships hang silently over Earth. Elements of this image courtesy of NASA. Image is 6000 x 4000 px in sRGB .jpg.
For personal use and one commercial project (up to 2,000 sales or 20,000 views).
One copy to be used by a single user.
One installation by a single user.
For use on an unlimited number of commercial projects with no limits on sales or views.