The Milky Way is warped, and it might be the work of dark matter

The Milky Way is twisted, and astronomers may finally know why. They’re laying the blame on a football-shaped, tilted halo of dark matter that envelopes our galaxy. 

The common image of our galaxy resembles a flattened disk similar to a vinyl record, but what you might not imagine is the flared skirt at its edge structured like the outer ring of a frisbee. And when scientists have studied the shape of the Milky Way in great detail, they found the disk of our spiral galaxy to also have a warp, meaning it’s a bit closer to a frisbee twisted and bent by an angry child. 

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