Globular Clusters
A Star Was Kicked Out of a Globular Cluster by an Intermediate-Mass Black Hole
Astronomers have solid evidence for the existence of stellar-mass black holes and supermassive black holes. However, evidence for Intermediate Black…
Webb Sees Globular Clusters Forming in the Early Universe
Picture the Universe's ancient beginnings. In the vast darkness, light was emitted from a particular galaxy only 460 million years…
This Globular Cluster is Plunging Toward the Milky Way’s Centre
Globular clusters (GCs) are spherical groups of stars held together by mutual gravity. Large ones can have millions of stars,…
The Milky Way’s Stolen Globular Clusters
Modern astronomy holds that all major galaxies (with the Milky Way as no exception) are the accumulation of numerous small…
The Hubble Imaged Some Globular Clusters in an Unusual Place: Near the Milky Way’s Centre
Our galaxy has about 200 Globular Clusters (GCs,) and most of them are in the galaxy's halo. Astronomers think most…
Where Are the Missing Black Holes? The Hubble May Have Helped Find One
Most black holes are stellar mass black holes. They're created when a star several times more massive than our Sun…
New Clues to the Formation of Globular Clusters: Their Ultramassive Stars
New images from JWST have revealed the light from a globular cluster in this earliest epoch, showing that it contains…
Globular Star Clusters are Constantly Kicking Stars out of the Galaxy
All the stars we can see with the naked eye are part of the Milky Way. The gravitational power of…