An international team of astronomers has used the Atacama Large Millimeter/submillimeter Array (ALMA) in the Atacama Desert, northern Chile, to observe a cluster forming clump in the infrared dark cloud G34.43+00.24 and discover a protostar surrounded by a large cloud of hot gas. This is an artist’s impression of a protostar in G34.43+00.24 MM3. Image credit: NAOJ. Up to 90 percent of stars are born in clusters in large molecular clouds. Thus,...
