Minor mergers are major drivers of star formation

7 months ago Comments Off on Minor mergers are major drivers of star formation

Around half of the star formation in the local Universe arises from minor mergers between galaxies, according to data from the Sloan Digital Sky Survey. The patch of sky called Stripe 82 is observed repeatedly to produce high-quality images of spiral galaxies. Disruptions to the shapes of these galaxies, caused by interactions with their smallest neighbors, pointed to increased star formation.
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