Messier 81  Bode's Galaxy, Luis Romero Ventura

Messier 81 Bode's Galaxy

Messier 81  Bode's Galaxy, Luis Romero Ventura

Messier 81 Bode's Galaxy

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Description

The galaxy’s central bulge contains much older, redder stars. It is significantly larger than the Milky Way’s bulge. A black hole of 70 million solar masses resides at the center of M81 and is about 15 times the mass of the Milky Way’s central black hole. Previous Hubble research showed that the size of the black hole in a galaxy’s nucleus is proportional to the mass of the galaxy’s bulge.

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Messier 81  Bode's Galaxy, Luis Romero Ventura