mergers

"It is by going down into the abyss that we recover the treasures of life. Where you stumble, there lies your treasure." -Joseph Campbell Ever since we created a question/suggestion box here, we've been deluged by far more excellent questions than one person could possibly answer, but that doesn't mean we aren't trying! For this week's Ask Ethan, our question comes from long-time fan and reader crd2, who asks: As we look at the furthest quasars we see they have supermassive black holes, as large as 109 solar masses. By what mechanism are they able to reach such large sizes over so short a…