Bullet Cluster - Hubble Telescope shot - Framed Picture - 20"H x 16"W
A 20"H x 16"W" framed picture of Bullet Cluster - Hubble Telescope shot
The Bullet Cluster (1E 0657-558) consists of two colliding clusters of galaxies. Strictly speaking, the name Bullet Cluster refers to the smaller subcluster, moving away from the larger one. It is at a co-moving radial distance of 1.141 Gpc (3.7 billion light-years).