There is a wierd and unexplained “zone of avoidance” for stars close to the centre of the Milky Way. Stars at any given distance from the supermassive black gap on the galactic centre, known as Sagittarius A*, ought to have a random distribution of shapes to their orbits, however one group of stars is mysteriously lacking from that distribution.
The group of about 200 stars that reside close to Sagittarius A* are known as S-stars, and their very existence is considerably …
Source: www.newscientist.com