
Finding "Fringes": New Event Horizon Telescope Detections Start Trickling In
The technique that the astronomers of the Event Horizon Telescope (EHT) use to observe black holes is called Very Long Baseline Interferometry, or VLBI, but it might as well be called Extremely Delayed Gratification Astronomy: it can take weeks or months after an observing run to find out whether the telescope array actually saw anything...