![](http://www.ecns.cn/hd/2024/01/18/f335a570a53d4b6e997a21a3cadafa47.jpg)
Photo released on Jan. 16, 2024 shows the dense ball of stars that makes up globular cluster 47 Tucanae. (Photo/Agencies)
Astronomers have generated the most sensitive radio image ever of a globular cluster—an ancient, densely-packed ball of stars. This image is of 47 Tucanae, the second brightest globular cluster in the night sky, revealing over a million stars and a remarkably bright and dense core.
![](http://www.ecns.cn/hd/2024/01/18/2d4314e5102f45b381c4a92909d8f943.jpg)
Photo released on Jan. 16, 2024 shows a new radio source (white square) in the center of 47 Tucanae (red circle). (Photo/Agencies)