tidal tails

The galaxy AM 1054-325 has been warped from a normal pancake-like spiral shape into an S shape by the gravitational pull of a neighboring galaxy, as seen in this Hubble Space Telescope image. As a result, new star clusters were formed along a tidal tail stretched over thousands of light years, resembling a string of pearls. Credit: NASA, ESA, STScI, Jayanne English (University of Manitoba)

Hubble discovers how collisions between galaxies create conditions for star formation

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The discovery of an S-shaped galaxy could revolutionize the understanding of the process of star formation
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