Galaxies

What Happens When Galaxies Die?

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People often ponder what happens we die, but have you ever wondered what happens when galaxies die? Prior to a few recent findings by the Sloan Digital Sky Survey and the journal Nature, we knew two things: half the galaxies in the universe are dead, and galaxies "quench" (die) when they stop making new stars. But we've recently discovered a new type of galactic demise: death by "galaxy strangulation." Explore this concept and learn more about the death of galaxies in the following video.

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