Tag Archives: Alpha

ALMA ‘Weighs’ Monster Black Hole to Highest Precision

Though we know black holes are kinda big, how do astronomers measure their mass? It’s not as if we can go out there and simply “weigh” them. Fortunately, astronomers have many tricky ways to work out the mass of objects in the universe and black holes are no exception. Continue reading ALMA ‘Weighs’ Monster Black Hole to Highest Precision