Is dark matter made of axions? Black holes may reveal the answer

What is dark matter made of? It's one of the most perplexing questions of modern astronomy. We know that dark matter is out there, since we can see its obvious gravitational influence on everything from galaxies to the evolution ...

Forecasting the hunt for the first supermassive black holes

It is believed that the formation and growth of most galaxies across the history of the universe has been fueled by supermassive black holes growing together with their host galaxy as they collect matter to attain millions ...

A unique experiment to explore black holes

What happens when two supermassive black holes collide? Combining the observing power of two future ESA missions, Athena and LISA, would allow us to study these cosmic clashes and their mysterious aftermath for the first ...

A new eye on the cosmos

How do galaxies form and evolve? And how do central supermassive black holes form in galaxies and influence their hosts? Those are two of the big questions that Tufts astronomers hope to answer when they start using a new, ...

Supermassive black hole

A supermassive black hole is a black hole with a mass of the order of between 105 and 1010 solar masses. Most, if not all, galaxies, including the Milky Way, are believed to contain supermassive black holes at their centers.

Supermassive black holes have properties which distinguish them from their relatively low-mass cousins:

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