Milky Way And Gamma-ray Bubbles
by Science Source
Title
Milky Way And Gamma-ray Bubbles
Artist
Science Source
Medium
Photograph - Photograph
Description
NASA's Fermi Gamma-ray Space Telescope has unveiled a previously unseen structure centered in the Milky Way. The feature spans 50,000 light-years and may be the remnant of an eruption from a supersized black hole at the center of our galaxy. The structure spans more than half of the visible sky, from the constellation Virgo to the constellation Grus, and it may be millions of years old. The bubble emissions are much more energetic than the gamma-ray fog seen elsewhere in the Milky Way, and also appear to have well-defined edges, all of which suggests that it was formed as a result of a large and relatively rapid energy release - the source of which remains a mystery.
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July 15th, 2014
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