Monday, July 7, 2025

Globular Clusters: The Vera Rubin Observatory is Just Getting Started

47 Tucanae is the second-brightest globular cluster in the Milky Way and is home to millions of stars. Its core is very small and very bright, and discerning individual stars in the core is a rigorous test for the Vera Rubin Observatory. Image Credit: NASA, ESA, and the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration; Acknowledgment: J. Mack (STScI) and G. Piotto (University of Padova, Italy)

The long-awaited Vera Rubin Observatory has delivered some preliminary observations of the globular cluster 47 Tucanae field. 47 Tuc is the Milky Way's second-brightest globular cluster, second to Omega Centauri. The Rubin Observatory's data demonstrates the telescope's promising scientific potential.



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