Black Holes: A One-Way Door • Schwarzschild Radius 2GMC4.
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Extremes of Matter
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Strong GR: The Black Hole Silhouette
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So you want to photograph a Black Hole Shadow.
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Short Wavelength VLBI
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EHT Baseline Coverage: M87
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EHT Expansion: 2014-17 13mm VLBI Detections
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Pacing Moore's Law
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EHT Observations: April 2017
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Imaging Teams
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Imaging Comparison Workshop
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Final M87 Images on April 11
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Imaging with Earth Rotation Aperture A
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Image-domain feature extraction
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The ring give us the mass
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next-generation EHT
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ngEHT: next-generation Science
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Next Generation: Movies
Description:
Explore the groundbreaking achievement of capturing the first-ever image of a black hole in this public lecture by Sheperd Doeleman. Delve into the science behind black holes, Einstein's theories, and the innovative Event Horizon Telescope (EHT) project. Learn about the global collaboration of radio dishes and atomic clocks that formed an Earth-sized virtual telescope, enabling scientists to resolve and image supermassive black holes. Discover the details of the historic April 10, 2019 announcement, including the observed gravitational lensing that confirms General Relativity at a black hole's boundary. Gain insights into the technical challenges overcome, the first results obtained, and the future directions of black hole imaging. Follow the journey from theoretical predictions to practical observations, understanding concepts such as the Schwarzschild radius, strong gravitational lensing, and the black hole silhouette. Explore the EHT's expansion, baseline coverage, and the intricate imaging process that led to the final M87 black hole images. Conclude with a glimpse into the next-generation EHT and its potential for capturing dynamic black hole movies, pushing the boundaries of our understanding of these cosmic phenomena.
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Seeing the Unseeable - Capturing an Image of a Black Hole