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An Ice Ring Around Fomalhaut

The amazing image below (from Astronomy Picture of the Day, 3/10/17) is of a ring of ice around the star Fomalhaut which also has at least one planet. The planet has even been given a proper name, Dagon.

The image of the ring is courtesy of the Atacama Large Millimeter Array and is superimposed on a hubble picture of the Fomalhaut system in blue.

This thing is 25 light years away yet we are able witness it in such detail (albeit at radio wavelengths.)

Ring around Fomalhaut

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