Source: ESO Photo Release eso1235
Globular star cluster Messier 4.
Image credits:ESO. Acknowledgement: ESO Imaging Survey.
A new image from ESO’s La Silla Observatory in Chile shows the spectacular globular star cluster Messier 4. This ball of tens of thousands of ancient stars is one of the closest and most studied of the globular clusters and recent work has revealed that one of its stars has strange and unexpected properties, apparently possessing the secret of eternal youth. (read more)