The objective is to better understand the structure and evolution of stars within the entire possible range. (mastercosmosbcn.cat)
John has a broad range of research interests designed to understand the formation and evolution of stars from their origin in molecular clouds to the development of mature planetary systems. (almaobservatory.org)
From the physical viewpoint, the nebulae are an early stage of evolution of star clusters. (maa.clell.de)