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Forbes articles by Brian Koberlein

A Single Bright Star Tells Us When The Milky Way Turned A Galaxy Into Sausage

14 Jan 2020, 18:09 UTC
A Single Bright Star Tells Us When The Milky Way Turned A Galaxy Into Sausage KOPPELMAN, VILLALOBOS AND HELMI; NASA/ESA/HUBBLE

The life of a galaxy can be violent. One day you're happily spinning with your billions of stars, the next you're colliding with another galaxy. Galactic collisions can radically change the structure of a galaxy. They can fuel star production, and leave remnants of the collision that last billions of years. Our galaxy has experienced collisions in the past, but how do we piece together the history of these violent interactions?

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