Kenny Chaffin August 18, 2023 5:37pm The Milky Way wasn't always a spiral —and astronomers may finally know why it 'shape-shifted' https://www.livescience.com/space/cosmology/the-milky-way-wasnt-always-a-spiral-and-astronomers-may-finally-know-why-it-shape-shifted #science #astronomy #astrophysics The Milky Way wasn't always a spiral —and astronomers may finally know why it 'shape-shifted' A century-old mystery of how galaxies change shapes has been solved by considering 'survival of the fittest' collisions between cosmic titans.
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