Hubble’s Wide Field Camera 3 captured the star cluster Liller 1, a 30,000 light-year distant system that formed stars over 11 billion years ago

Image Credit: ESA/Hubble & NASA, F. Ferraro

The open cluster Trumpler 14, 8,000 light-years away, hosts some of our galaxy’s most massive, luminous stars

Image Credit: NASA, ESA, and J. Maíz Apellániz (Institute of Astrophysics of Andalusia, Spain)

This Hubble image shows part of the loosely bound open cluster Caldwell 71

Image Credit: NASA, ESA, and T. von Hippel  (Embry-Riddle Aeronautical University)

Thousands of stars shine in globular cluster Terzan 4 in Scorpius, with hot blue stars at the center and cooler, older red stars on the edges

Image Credit: ESA/Hubble & NASA, R. Cohen

This Hubble WFC3 image shows globular cluster Omega Centauri, located about 15,790 light-years from Earth

Image Credit: NASA/ESA/Hubble SM4 ERO Team

Globular clusters, found on galaxy outskirts, are stunning spheres with hundreds of thousands of stars

Image Credit: ESA/Hubble& NASA