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Scientists detect towering balloon-like feature near Milky Way’s center

11 Sep 2019, 17:01 UTC
Scientists detect towering balloon-like feature near Milky Way’s center SARAO/Oxford/NRAO

Our Milky Way is considered to be a relatively quiescent galaxy, and yet it’s known to have a 4-million-solar-mass black hole at its heart, which is the source of all sorts of fascinating and dynamic processes. Today – September 11, 2019 – an international team of astronomers announced the discovery of yet another of those processes, which generates what they’re calling “one of the largest features ever observed” in the center of the Milky Way. This feature is a pair of enormous radio-emitting bubbles that tower hundreds of light-years above and below the central region of our galaxy. Some of you might recall the discovery of Fermi Bubbles nine years ago – seen at higher-energy wavelengths of light and extending vastly farther into space – and might wonder how this newly found structure relates.

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