Sagittarius A*,the radio source located at the center of our galaxy,is believed to be a:

Name: Sagittarius A*,the radio source located at the center of our galaxy,is believed to be a:
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Sagittarius A* is believed to be a supermassive black hole based on observations of the motion of stars orbiting around it, and the behavior of gas and dust near the center of the galaxy. Its estimated mass is around 4 million times that of the Sun.

Sagittarius A*,the Radio Source Located at the Center of Our