Like most star clusters, hypervelocity globular cluster 1 (HVGC-1) once belonged to a galaxy, but this unlucky object is now destined to wander the cosmos alone. Somehow, the cluster was ejected from its home galaxy, M87, and is now speeding away at more than two million miles per hour.
The views expressed are those of the author(s) and are not necessarily those of Scientific American.
ABOUT THE AUTHOR(S)
Clara Moskowitz is Scientific American's senior editor covering space and physics. She has a bachelor's degree in astronomy and physics from Wesleyan University and a graduate degree in science journalism from the University of California, Santa Cruz.