Hubble detects celestial 'string of pearls' star clusters in galaxy collisions
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Hubble detects celestial 'string of pearls' star clusters in galaxy collisions

When spectacular cosmic events such as galaxy collisions occur‚ it sets off a reaction to form new stars‚ and possibly new planets that otherwise would not have formed. The gravitational pull that forces the collisions between these galaxies creates tidal tails—the long thin region of stars and interstellar gas.