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YouTube

Avery Broderick on a Black Hole Breakthrough from the EHT

Perimeter Institute for Theoretical Physics via YouTube

Overview

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Explore the groundbreaking discovery of the first image of Sagittarius A*, the black hole at the center of our Milky Way galaxy, in this captivating episode of Conversations at the Perimeter. Join hosts Lauren Hayward and Colin Hunter as they interview EHT scientist Avery Broderick, who leads the Event Horizon Telescope (EHT) Initiative at Perimeter Institute. Delve into the fascinating world of black hole imaging, learning how an "Earth-sized telescope" was created using a network of eight radio telescopes across five continents. Discover the significance of this landmark achievement, the challenges faced by the global EHT collaboration, and the innovative techniques used to capture the image of a black hole 27,000 light-years away. Gain insights into the nature of black holes, their formation, and their impact on galactic structures. Broderick, holder of the Delaney Family John Archibald Wheeler Chair at Perimeter, shares his passion for "fire donuts" and explains complex concepts in an engaging manner. From the public fascination with black holes to the future of space-based EHT projects, this hour-long discussion covers a wide range of topics in astrophysics and cosmology, offering a unique glimpse into the cutting-edge research that's expanding our understanding of the universe.

Syllabus

Intro
Whats new with black holes
The second black hole
The first black hole
How do we image black holes
The fire donut
The icing
Whats the event horizon
The public fascination with black holes
The global collaboration
Earthsized telescope
Telescopes for other uses
Where did the idea come from
How did you improve the technique
How do you choose a black hole
The fire doughnut
Should we be scared
How difficult is it to measure
Does the black hole affect the shape of the galaxy
Theoretical analysis
Sagittarius a star
Two kinds of black holes
How long do massive stars live
The blink of an eye
Gravitational waves
LIGO
Formation story
How do you do it
Astrophysical dramas
Near and far future
EHT in space
Anomaly
The mind reels
How many black holes are there
How many stars make a black hole
Last 10 billion years
Solar mass stars
Proxima opie
Getting into black hole research

Taught by

Perimeter Institute for Theoretical Physics

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