Star clusters
HST/WFPC2 Image with Location of Pulsar
July 10, 2003 · ESA/Hubble · B 1620+26, Messier 4 , NGC 6121 · Scorpius
Zoom to full resolution See where it is in the 3D sky Original on ESA/Hubble ↗
The green circle in the image marks the location of a pulsar orbited by the oldest known planet.