Globular cluster M22 (image source: NASA JPL)
The Australian Geographic reports that scientists have observed two black holes sharing the core of a globular cluster together. The two black holes, each around 10 to 20 times the size of our Sun, appear locked in a dance together, with neither occupying the very centre as expected – a first for a globular cluster.
Locating black holes is not an easy process, as other stars are needed nearby to observe the effects of the black hole in action. Scientist James Millar-Jones, from Curtain University Australia, thinks there is probably more black holes in the cluster, stating
“M22 may contain as many as 100 black holes but we can’t detect them unless they’re actively feeding on nearby stars”
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