![]() ![]() Small galaxies can also collide with larger galaxies when their orbits intersect with the larger galaxy's main body, causing significant distortions to both galaxies' own structures. Sometimes the spiral arms of larger galaxies are dragged toward smaller satellite galaxies eventually triggering a collision. Galaxies collide in a variety of waysĬollisions between galaxies can happen in several different ways with varying results. This creates the impression of a warm taffy being pulled apart. Although this intergalactic bridge joining the galaxies is replete with the building blocks for star formation, the birth of stars is stopped by violent churning and heating.Īs the Gemini North image shows, the region is made up of strands of red and brown - hydrogen clumps and molecular gas filaments - that stretch as the galaxies separate after their head-on collision. ![]() This body is composed of a vast bridge of material stretching between UGC 12914 and UGC 12915 that is highly turbulent in nature. ![]() While star formation continues in the wings of this vast cosmic butterfly, which are made up of the two Taffy galaxies, the story is different in the red-hued body and tail of the butterfly. ![]()
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