Using the European Southern Observatory's Very Large Telescope, astronomers discovered a small black hole outside the Milky Way by looking at how it influences the motion of a star in its close vicinity. This is the first time this method has been used to reveal a black hole outside of our galaxy.
There's a mysterious barrier in the centre of the Milky Way. Researchers found a dip in the otherwise uniform density of our galaxy’s cosmic rays.
Astronomers spot small black hole beyond the Milky Way in milestone discovery
