The Milky Means wasn’t all the time a spiral  —and astronomers might lastly know why it ‘shape-shifted’

A 100-year-old thriller surrounding the “shape-shifting” nature of some galaxies has been solved, revealing within the course of that our Milky Means galaxy didn’t all the time possess its acquainted spiral look. 

Astronomer Alister Graham used outdated and new observations to indicate how the evolution of galaxies from one form to a different takes place  — a course of often known as galactic speciation . The analysis reveals that clashes and subsequent mergers between galaxies are a type of “pure choice” that drives the method of cosmic evolution. 

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