New research suggests that our galaxy contains as much as 100 billion brown dwarfs.
Astronomers estimate that the milky Way contains at least 100 billion brown dwarfs – stellar objects that were not able to turn into a full-fledged star.
Scientists from St. Andrews University conducted a study of over a thousand brown dwarfs within a radius of 1500 light years. As the star of this class is very dull, watching them over long distances is extremely difficult, if not impossible task. Most of the known brown dwarfs were discovered in the areas of formation of new stars known as clusters.
“We found a large number of brown dwarfs in these clusters. It turns out that regardless of the type of clusters, such stars quite often. And since brown dwarfs are formed along with other stars in clusters, we can conclude that in our galaxy more than 100 billion failed stars,” says study author Alex Scholz.
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