Which of the following statements is not true of the object known as Sgr A* in the center of our Galaxy?
A. It is by far the brightest source of visible light lying in the direction of the galactic center.
B. It is thought to harbor a black hole of more than 3 million solar masses.
C. It is a source of X-ray emission that we have observed with telescopes in space.
D. It is a source of bright radio emission.
Answer:A
Which of the following statements is not true of the object known as Sgr A* in the center of our Galaxy?
A. It is by far the brightest source of visible light lying in the direction of the galactic center. B. It is thought to harbor a black hole of more than 3 million solar masses. C. It is a source of X-ray emission that we have observed with telescopes in space. D. It is a source of bright radio emission.