Astronomers have captured three distinct galaxy pairs arranged vertically in a single field of view. Each pair illustrates a unique stage of cosmic interaction.
Image credit: NASA ScienceAll six featured galaxies likely belong to the expansive Centaurus Galaxy Cluster. Despite sharing a cosmic neighborhood, their dynamic histories differ dramatically.
Image credit: NASA ScienceThe uppermost pair of galaxies appears tranquil in deep space. Observations indicate these two cosmic structures are not currently interacting with one another.
Image credit: NASA ScienceThe upper galaxy with a bold blue stripe is NGC 4650A. Classified as a polar ring galaxy, its structure may stem from a past collision.
Image credit: NASA ScienceThe middle two galaxies look tightly linked by gravity. However, their measured relative speeds reveal they are likely just passing near each other.
Image credit: NASA ScienceDominating the central pair is NGC 4650, a spiral galaxy. It features a bright, prominent bar of stars stretching straight across its center.
Image credit: NASA ScienceAt the bottom of the field, two galaxies are locked in motion. NGC 4622A and NGC 4622B are actively pulling on each other.
Image credit: NASA ScienceOver the next billion years, gravitational forces will draw the lower pair together. Eventually, NGC 4622A and NGC 4622B will combine into one single galaxy.
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