Thousands of stars shine in the globular cluster Terzan 4 in Scorpius; hot, bright blue stars live fast at the center, while older, cooler red stars lie on the edges
Image Credit: ESA/Hubble & NASA, R. Cohen
Some of the galaxy’s brightest stars burn 8,000 light-years away in Trumpler 14
Image Credit: NASA, ESA, and J. Maíz Apellániz (Institute of Astrophysics of Andalusia, Spain)
Globular clusters, with hundreds of thousands of stars, are stunning spheres found on galaxy outskirts; the Milky Way has over 150 clusters
Image Credit: ESA/Hubble& NASA
Thousands of stars light up Liller 1, a 30,000-light-year-old cluster captured by Hubble’s Wide Field Camera 3
Image Credit: ESA/Hubble & NASA, F. Ferraro
The Arches Cluster, the densest star cluster in the Milky Way, lies 25,000 light-years away in Sagittarius near our galaxy’s center