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This Hubble image shows the collision of two galaxies. As they smash together, billions of stars are born, forming groups and clusters.
For more information on the Hubble mission, please click on the following link: NASA/ESA Hubble
CREDIT
NASA, ESA, and the Hubble Heritage Team STScI/AURA)-ESA/Hubble Collaboration. Acknowledgement: B. Whitmore ( Space Telescope Science Institute) and James Long (ESA/Hubble).