What is it about?

A proposal to make a "photograph" of the dark depression surrounding the event horizon of the supermassive black hole at the center of our Galaxy.

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Why is it important?

For the first time in a century after general relativity was founded in 1916, we have the technology to make a radio "photograph" of one of Einstein's most famous pedictions: the existence of an event horizon. This discovery would validate Einstein's theory where gravity is superstrong.

Perspectives

The decade-long analysis of the black hole known as Sagittarius A* at the center of our Galaxy has provided us with a reliable estimate of how it would look on an a high-fidelity image created with Very Large Base Interferometry. Our proposal in 2000-2001 finally appears to be coming to fruition in 2018-2019, with the first attempt at creating the image we predicted.

Professor Fulvio Melia
University of Arizona

Read the Original

This page is a summary of: Viewing the Shadow of the Black Hole at the Galactic Center, The Astrophysical Journal, January 2000, Institute of Physics Publishing,
DOI: 10.1086/312423.
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