Huge grouping of countless stars, in colors red, blue, white, yellow. The closer to the center of the image, the brighter, and whiter it gets.

Hubble Caldwell 25

Dubbed "the Intergalactic Wanderer,” Caldwell 25 is different from the Milky Way's other globular clusters.

Credits: ESA/Hubble & NASA, S. Larsen et al.