Globular clusters are spherical groups of stars held together by gravity; they often contain some of the oldest stars in their galaxies.
Click here for original story, Hubble Reveals a ‘Rediscovered’ Star Cluster
Source: Astronomy
Globular clusters are spherical groups of stars held together by gravity; they often contain some of the oldest stars in their galaxies.
Click here for original story, Hubble Reveals a ‘Rediscovered’ Star Cluster
Source: Astronomy