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Astronomers discover giant balloon-like structures at center of Milky Way

Contributed by NAMPA / Xinhua.

LOS ANGELES, Sept. 12 (Xinhua) -- An international team of astronomers has recently discovered a pair of enormous radio-emitting bubbles in the Milky Way, according to a study published in the journal Nature on Wednesday.
This hourglass-shaped structure stretches some 1,400 light-years, or about 5 percent of the distance between our sun and the galaxy's center, dwarfing all other structures ever observed in the central region of the galaxy.
The team believes it is the result of a phenomenally en ...



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