Omega Centauri as galactic nucleus

Astronomy & Observing News

No Intermediate-Mass Black Hole for Omega Centauri?

Last month, astronomers discovered a giant black hole in Omega Centauri. But it might contain a swarm of stellar-mass black holes instead.

The core of Omega Centauri

Astronomy & Observing News

A Black Hole for Omega Centauri

The motions of individual stars in the core of Omega Centauri, a massive globular cluster, confirm the existence of a black hole at its core.