Taking that picture of a black hole required massive amounts of data

guest · Apr 13, 2019

Taking that picture of a black hole required massive amounts of data
Stack and stacks of drives were needed
April 12, 2019
https://www.techspot.com/news/79637-taking-picture-black-hole-required-massive-amounts-data.html

In context: Eight radio telescopes trained at the center of the Milky Way galaxy each recorded 350TB of data per day for one week. That provided the scientists with five petabytes of data stored on high-performance helium-filled hard drives to process. An amazing cache by anyone's standards.

Subreddit DataHoarder was buzzing after one of the scientists working on the black hole project tweeted a picture of his colleague, Katie Bouman, posing with some of the hard drives that held the image data.

She stood behind eight towers that appeared to hold eight drives each. Presumably, this was just one cache as 64 HDDs could only hold 5PB if they were 80TB capacity, something drive makers have not achieved yet.
Another poster posited that they used 12TB drives and that this was only one-eighth of the data.

Regardless of how many drives were used, there is a logistical problem with sharing this much information. Obviously, it can’t be sent via the internet. Instead, the drives were crated and flown to Boston and Germany for processing.
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