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What Process Was Used to Image the Black Hole in M87?

-- Shreeniket | April 7, 2020

Question:

What was the process of imaging a black hole?

-- Shreeniket

Answer:

The Jet Propulsion Laborabory (JPL) has provided a very nice and detailed description of the techniques used to image the black hole in M87 using the Event Horizon Telescope.  In summary, a technique called interferometry is used, which allows one to virtually connect many telescopes, in this case radio telescopes, in order to create a single virtual telescope with the resolving power of a much larger telescope.

-- Jeff Mangum