Why was the first black hole map drawn by humans so late?

category:Society
 Why was the first black hole map drawn by humans so late?


Why did the first black hole map come so late?

At 21:00 on April 10, Beijing time, the first black hole maps drawn using direct observation data will be published simultaneously in five languages by six countries around the world. MIT scholars responsible for processing data explain why it took two years to draw the first maps.

Source: Wang Zheng_N7526