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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)

This weird 'X' in the Milky Way might tell us how galaxies are made

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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)
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)

NASA found a big "X" in the center of the Milky Way galaxy. It's made up of stars, and it might hold the key to telling us how galaxies are made.

For a better look at the photo, head to NASA to zoom in.

If we understand the bulge we will understand the key processes that have formed and shaped our galaxy.
Melissa Ness, study's lead author

The shape was first seen after a 2010 sky survey was released, but it was only confirmed in a recent report. 

Scientists think this means the galaxy's development was pretty much uninterrupted, since any big disruptions would have distorted the shape. 

Here's another stunning tour of our galaxy, courtesy of the European Space Organization. 

For more science news from Circa...

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