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Hubble image of Arp 194, also known as UGC 6945.

The upper component of this interacting galaxy group has two nuclei that appear to be connected and in the early stages of merging along with trails of blue super star clusters. The lower component of the group is a single large spiral galaxy with its own star clusters.

Credit: NASA, ESA, and the Hubble Heritage Team
Source: https://hubblesite.org/contents/media/images/2009/18/2542-Image.html

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A group of three interacting spiral galaxies which resembles a question mark. At the top of the frame are two spiral galaxies in the process of merging. One of these galaxies has a bright yellow core connected to a short bar and two loose spiral arms. This forms a S-shape. Above this is another circular, yellow galaxy core which overlaps with the top spiral arm of the S-shaped galaxy. On the outer edges of the spiral arms are blue star clusters. Together these form the top curved half of the question mark. To the right of the S-shaped galaxy is a small, relatively normal-looking spiral galaxy, which is likely in the background. At the bottom of the frame is another large spiral galaxy. This galaxy has a bright core and somewhat ill-defined spiral arms which wind counterclockwise around the core. On the bottom half of the galaxy are blue star clusters. This forms the dot of the question mark. Connecting the merging galaxies at the top of the frame and the spiral at the bottom of the frame is a string of blue super star clusters, seen as large blue dots. This forms the straight part of the question mark. On the black background of space are several yellow and red dots, which are background galaxies.
A group of three interacting spiral galaxies which resembles a question mark. At the top of the frame are two spiral galaxies in the process of merging. One of these galaxies has a bright yellow core connected to a short bar and two loose spiral arms. This forms a S-shape. Above this is another circular, yellow galaxy core which overlaps with the top spiral arm of the S-shaped galaxy. On the outer edges of the spiral arms are blue star clusters. Together these form the top curved half of the question mark. To the right of the S-shaped galaxy is a small, relatively normal-looking spiral galaxy, which is likely in the background. At the bottom of the frame is another large spiral galaxy. This galaxy has a bright core and somewhat ill-defined spiral arms which wind counterclockwise around the core. On the bottom half of the galaxy are blue star clusters. This forms the dot of the question mark. Connecting the merging galaxies at the top of the frame and the spiral at the bottom of the frame is a string of blue super star clusters, seen as large blue dots. This forms the straight part of the question mark. On the black background of space are several yellow and red dots, which are background galaxies.