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Icy ring around Fomalhaut observed in new wavelength
An international team of astronomers using the Atacama Large Millimeter/submillimeter Array has made the first complete millimeter-wavelength image of the ring of dusty debris surrounding the young star Fomalhaut. This remarkably well-defined band of rubble and gas is likely the result of exocomets smashing together near the outer edges of a planetary system 25 light-years from Earth.