Black Hole silhouetted against the Milky Way Spring 2019 ASTR 2030 Homepage

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The galaxy Messier 106 (NGC 4258)

Optical, radio, x-ray
M106 in optical, radio (purple), and x-rays (blue)

Radio images: (top) 1cm high resolution, and (bottom) 20cm

The inferred mass of the central black hole is 3.6 × 107 solar masses (Miyoshi et al. 1995).

 Black Hole silhouetted against the Milky Way Spring 2019 ASTR 2030 Homepage

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Updated 2019 Jan 10