Black Holes: The Small, the Medium and the XXL, by Dr Greg Brown

Black holes are weird. Their nature is remarkably simple, yet the science surrounding them is unbelievably complicated and their effects on the Universe around them range from the bizarre to the devastating. They have been studied extensively since their discovery, and yet much remains that we simply don’t know about them. In this talk, we will discuss the different types of black holes we have found, and those we are yet to discover, and see how astronomers are working to understand them and their origins – from the “tiny” stellar mass black holes, to the behemoths of the Universe lurking in the cores of every large galaxy we look at.

Dr Greg Brown is an astronomer working at the Royal Observatory Greenwich. A graduate of the University of Leicester holding a Masters in Physics with Astrophysics, he went on to complete a PhD in Observational Astronomy at the University of Warwick. His research led him to the topic of tidal disruption flares, the bright bursts of light associated with the untimely deaths of stars when they cross paths with a supermassive black hole, which fitted well with a childhood interest in these enigmatic and terrifying objects. During this time, he developed a strong passion for science communication and public engagement, and shifted career paths, working briefly as an outreach coordinator at the University of Warwick before joining the team at the ROG in 2017.

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