This Picture of the Week shared by the European Southern Observatory (ESO) shows NGC 3627, an unusual spiral galaxy undergoing vigorous star formation. In this image, the galaxy appears to be expelling flames out of its majestic spiral arms, but the fire actually marks clouds of cold molecular gas – the material out of which stars form – and has been captured using the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile.
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