The Westerlund 1 cluster: A giant stellar nursery amidst darkness - Phys.org

Stars tend to form in clusters or groups of between ten and several thousand stars that share the same age and composition, although in different evolutionary phases. Among the clusters in the Milky Way, the very young Westerlund 1 (Wd 1) cluster stands out i…

Stars tend to form in clusters or groups of between ten and several thousand stars that share the same age and composition, although in different evolutionary phases. Among the clusters in the Milky … [+5063 chars]

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