A globular cluster is a spherical collection of stars that orbits a galactic core as a satellite. Globular clusters are very tightly bound by gravity, which gives ...
Globular clusters are gravitationally bound concentrations of approximately ten thousand to one million stars, spread over a volume of several tens to about 200 light ...
The globular clusters in the Milky Way are all estimated to be at least 10 billion years old and therefore contain some of the oldest stars in the galaxy.
Globular Clusters. Globular clusters are spherical concentrations of stars typically 100 light years across and containing thousands of stars. Globular clusters are ...
Globular cluster, a large group of old stars that are closely packed in a symmetrical, somewhat spherical form. Globular clusters, so called because of their roughly ...
GALATIC STRUCTURE, GLOBULAR CLUSTERS. Kyle M. Cudworth. Globular clusters were originally defined as rich, compact, nearly spherical, groups of hundreds of thousands ...
Editor's choices for the most educational Astronomy Pictures of the Day about globular clusters: APOD: 2002 December 29 - NGC 1818: A Young Globular Cluster
Globular star clusters are extraordinary in almost every way. They're densely packed, holding a million stars in a ball only about 100 light-years across on average.
A globular cluster is a group of stars of a similar age which often orbits the central bulge of a ... Globular clusters occur in the halo of a galaxy and in its disk.
Globular-cluster definition, a comparatively older, ... It is believed that globular clusters can provide information about the evolution and lifespan of stars.