Star clusters
Globular Cluster M4 - HST/WFPC2 Image
July 10, 2003 · ESA/Hubble · Messier 4 , NGC 6121 · Scorpius
Zoom to full resolution See where it is in the 3D sky Original on ESA/Hubble ↗
In this image, a Pulsar with Companion in Globular Cluster is visible. M4 is roughly 5,600 light-years (1,720 parsecs) from the Earth.

