Sky Full of Stars: Located approximately 22,000 light-years away, this tightly packed collection of stars – known as a globular cluster -shows the dazzling stellar group in all its glory. This is one of the over 150 globular clusters known to reside within the Milky Way. These objects are thought to contain some of the oldest stars in our galaxy. Studying these ancient cosmic clusters can help astronomers to unravel how a galaxy formed and evolved, and give an idea of the galaxy’s age. The Hubble Space Telescope has observed many of these clusters during its time in orbit around our planet, each as breathtaking as the last.
Image credit: ESA/Hubble and NASA
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