Globular Cluster - Silk Bracelet




Globular Cluster - Silk Bracelet
Twill Bracelet
100% silk heavy twill
made in italy
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This new NASA/ESA Hubble Space Telescope image shows the globular cluster IC 4499.
Globular clusters are big balls of old stars that orbit around their host galaxy. It has long been believed that all the stars within a globular cluster form at the about same time, a property which can be used to determine the cluster's age. For more massive globulars however, detailed observations have shown that this is not entirely true — there is evidence that they instead consist of multiple populations of stars born at different times. One of the driving forces behind this behavior is thought to be gravity: more massive globulars manage to grab more gas and dust, which can then be transformed into new stars.