Black holes on a collision course

Do you already have something planned for the year 250,002,000? Then take an evening off and look with your future super telescopic eye at the area around the galaxy NGC 7727 in the constellation Aquarius. There, two super heavy black holes are colliding with each other. Today, they are still 1600 light-years apart, but they are the closest pair of black holes observed so far.

Astronomers found it with the help of the European Southern Observatory’s VLT. “It is the first time we have found two s...