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X Marks the Spot For Milky Way Formation

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X-shaped structure in bulge of Milky Way

Researchers used data from NASA's Wide-field Infrared Survey Explorer (WISE) mission to highlight the X-shaped structure in the bulge of the Milky Way.

Credit: NASA/JPL-Caltech/D.Lang

A new understanding of our galaxy's structure began in an unlikely way: on Twitter. A research effort sparked by tweets led scientists to confirm that the Milky Way's central bulge of stars forms an "X" shape.

From Jet Propulsion Laboratory/NASA
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