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Two newly discovered gamma-ray bubbles extend 25,000 light-years, or roughly one-fourth the Milky Way's diameter, above and below the plane of the galaxy, as shown in this illustration. | NASA-Goddard
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Giant Bubbles Found in Space

Giant bubbles have been found in space near the center of the Milky Way. Learn more about the giant bubbles that were found in space.

November 10, 2010
3:00 AM EST