Globular Cluster 47 Tucanae

Globular Cluster 47 Tucanae

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Fast Facts
News release ID: STScI-2015-16
Release Date: May 13, 2015
Image Use: Copyright
About this image

The heart of the giant globular star cluster 47 Tucanae reveals the glow of 200,000 stars. In this cluster, Hubble spied a parade of young white dwarfs starting their 40-million-year migration away from the core. In globular clusters, lower mass stars rob momentum from more massive stars. Heavier stars sink to the cluster's core as their orbits slow, while lighter stars pick up speed and move across the cluster to the edge.

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Tags
Astronomical, Globular Clusters, Hubble Heritage, Hubble Telescope, Star Clusters, Stars, White Dwarfs

Credits

NASA, ESA, and the Hubble Heritage Team (STScI/AURA)-ESA/Hubble Collaboration.

Acknowledgment: J. Mack (STScI) and G. Piotto (University of Padova, Italy)