2019-04-09 Event Horizon Telescope Hoopla Tomorrow

There has been a big media buildup to the scheduled release of the “picture” of a black hole. This was synthesized from data taken by multiple radiotelescopes around the world, and processed by supercomputers. More information.

Update Apr 10 evening – As I had expected, the media made quite a big issue out of a single picture. The average person probably thinks that this photo is the actual black hole. Bug it’s not. The Event Horizon Telescope gathered radio waves, which were processed by supercomputers, and the resulting data was used to create the picture.

The photo is not much to look at. In fact it’s not even of the black hole. The picture is actually of the gases surrounding the black hole, which itself is invisible. Surprise!

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