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Cartwheel galaxy ripple - altered NASA image

This false-color composite image shows the Cartwheel galaxy as seen by NASA Galaxy Evolution Explorer, where the first ripple appears as an ultraviolet-bright blue outer ring.
NASA Ripple of star formation in this galaxy Over that way are some possible candidates for the galaxy thought to have merged through the Cartwheel galaxy Wikipedia Ripple of star formation in this galaxy The Cartwheel galaxy Reset Labels

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