Two black holes have been imaged, by the Event
Horizon telescope, a marvelous achievement.
As I understand it, they do interferometry at earth scale.

Is anyone here familiar with this technology? Can you
recommend a survey paper which explains it?


--
Rich

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any world wide important project have page https://eventhorizontelescope.org/
a lot of links can be harvested from this

or you can just google
"Event Horizon telescope" pdf
design "Event Horizon telescope" pdf

search info important skill

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