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Oxford Science Café: Nature's Death Stars

Invitation: Science is fun at the Oxford Science Café! Join us for an exciting presentation by Dr. Nicholas MacDonald (University of Mississippi)

6:00 PM - 7:00 PM Sep. 19, 2023
Heartbreak CafeHeartbreak Coffee, 265 North Lamar Blvd, Oxford, MS 38655
Open to the public

Join us at 6 pm on Tuesday, September 19 at Heartbreak Coffee on the square for the Oxford Science Cafe!

Dr. Nicholas MacDonald, Assistant Professor in Physics and Astronomy at the University of Mississippi, will tell us about his research on “Nature’s Death Stars: A Discussion of Supermassive Black Holes, Relativistic Jets, and The Event Horizon Telescope”
Relativistic jets emanating from supermassive black holes are the most persistent luminous objects in the Universe. They shine across the entire electromagnetic spectrum (from low-energy radio waves to high-energy gamma-rays). Black hole jets can exhibit variability on timescales ranging from months, to days, and even minutes. The physical process by which a spinning supermassive black hole collimates and launches a relativistic jet of high-energy plasma remains unknown. The Event Horizon Telescope can now capture images of the very inner regions of several supermassive black holes through a technique known as Very Long Baseline Interferometry (VLBI). In this talk, I will discuss the international effort involved in obtaining images of black holes and how these images help us to understand the physics of relativistic jets, or Nature’s Death Stars.

For assistance related to a disability, contact Jake Bennett: | 5403190289

Event posted by:

Sponsored by: Department of Physics and Astronomy, Provost/VC for Academic Affairs, UMWiP