News Astronomy Hole in the Middle: Are midsize black holes the missing link? By Ron Cowen September 18, 2002 at 10:36 am - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Print (Opens in new window) Print Two teams of astronomers reported this week that they had confirmed the existence of a new class of black hole. MIDDLING BLACK HOLE. Artist’s view of a black hole at the core of a globular cluster. G. Bacon/NASA Most astronomers now accept the reality of black holes, objects whose immense gravity sucks in everything around them.