Mark Hannam

“Black holes this massive are forbidden through standard stellar evolution models. One possibility is that the two black holes in this binary formed through earlier mergers of smaller black holes.”

Mark Hannam · said date not stated · reported 2025-07-14

Mark Hannam explained potential formation pathways for the massive black holes.

“This is the most massive black hole binary we've observed through gravitational waves, and it presents a real challenge to our understanding of black hole formation,”

Mark Hannam · said date not stated · reported 2025-07-14

Mark Hannam commented on the significance and theoretical challenge of observing a massive black hole binary.