# How Does the Event Horizon Telescope Image a Black Hole?

**URL:** <https://scanalyst.fourmilab.ch/t/how-does-the-event-horizon-telescope-image-a-black-hole/1016>\
**Category:** Tracking with Closeups\
**Tags:** black-hole, astronomy, sheperd-doeleman, event-horizon-telescope\
**Created:** [12 March 2022 12:32 UTC](https://scanalyst.fourmilab.ch/t/how-does-the-event-horizon-telescope-image-a-black-hole/1016 "2022-03-12T12:32:41Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![johnwalker](https://scanalyst.fourmilab.ch/user_avatar/scanalyst.fourmilab.ch/johnwalker/32/17415_2.png) [@johnwalker](https://scanalyst.fourmilab.ch/u/johnwalker)\
**Post date:** [12 March 2022 12:32 UTC](https://scanalyst.fourmilab.ch/t/how-does-the-event-horizon-telescope-image-a-black-hole/1016/1 "2022-03-12T12:32:41Z")

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[![](https://scanalyst.fourmilab.ch/uploads/default/original/2X/0/090f5ad9c6f9b81efd1cff6ca74ab0ade261e9d6.jpeg "Go Inside A Black Hole | Shep Doeleman") ](https://www.youtube.com/watch?v=g_hD26obUbI)

Sheperd S. Doeleman, founding director of the [Event Horizon Telescope](https://en.wikipedia.org/wiki/Event_Horizon_Telescope), describes the technology which allows synthesising a radio telescope the size of the Earth from multiple observatories, how raw data are turned into images (it involves physically shipping crates of hard drives around the world!), and prospects for future observations.

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**Author:** ![1789Libertarian](https://scanalyst.fourmilab.ch/user_avatar/scanalyst.fourmilab.ch/1789libertarian/32/1089_2.png) [@1789Libertarian](https://scanalyst.fourmilab.ch/u/1789Libertarian)\
**Post date:** [12 March 2022 15:09 UTC](https://scanalyst.fourmilab.ch/t/how-does-the-event-horizon-telescope-image-a-black-hole/1016/2 "2022-03-12T15:09:33Z")

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John the video could have been shorter by just saying “pointing the damned thing at Stacy Abrams.”