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D. Calzetti (STScI)
The combination of the large Field-of-View, the high angular resolution, and the long optical-to-near-infrared baseline make SNAP an optimally suited instrument for studying stellar populations and star formation in nearby galaxies. Investigations of dust-enshrouded, active regions, as those found in local starbursts, will enormously benefit from the availability of infrared capabilities. Multi-color analysis of both resolved and unresolved stellar populations will yield ages and dust content and, ultimately, the star formation history of the starburst. These will be used to unravel the processes of star formation in galaxies, their interplay with the host galaxy's ISM, and their role within the framework of galaxy evolution.