![](https://gnitergroup.com/wp-content/uploads/2022/10/image_6245_1e-Sagittarius-A-General-Relativity-Test-1024x625.jpg)
What are S-Stars???
S-stars are stars orbiting the supermassive black hole (Sagittarius A) at the center of our Milky Way Galaxy. They can travel at a speed of 8000 km per second. That is 2.5% of the speed of light.
![](https://gnitergroup.com/wp-content/uploads/2022/10/sgra-1024x1024.jpg)
S-stars can be said to have helped researchers to some extent in finding the mass of the Sagittarius A black hole. The orbit of the S-star is also very different due to the fact that it is under the rulership of Sagittarius A.
![](https://gnitergroup.com/wp-content/uploads/2022/10/image_1405_1e-Sagittarius-A-1024x621.jpg)
S4716 is the fastest S-Star ever seen. It orbits Sagittarius A once in just 4 years. The S-stars orbit Sagittarius A* in an elliptical orbit.
A detailed study of S-stars found that Sagittarius A* has a mass of about 4 million solar masses. And that was before the Event Horizon Telescope (EHT) first imaged Sagittarius A*.
![](https://gnitergroup.com/wp-content/uploads/2022/10/16SCI-BLACKHOLE-mediumSquareAt3X-v2-1024x1024.jpg)
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