It sounds fairly alarming — but a scientist claims that our galaxy may not just be in the process of dying, but already be dead. Kevin Schawinski of the Swiss Federal Institute of Technology, Zurich, explains that galaxies ‘die’ when they stop forming new stars from gas. ‘This may sound scenic, but refers to the population between the blue star-forming galaxies (the ‘blue cloud’) and the red, passively evolving galaxies (the ‘red sequence’).
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