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So cool!

RT @TheNRAO@twitter.com

This is the very first simulated image of a black hole, calculated using a 1960s punch card IBM 7040 computer and plotted by hand by French astrophysicist Jean-Pierre Luminet in 1978.

sciencealert.com/this-new-nasa

🐦🔗: twitter.com/TheNRAO/status/117

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