Galaxies – National Radio Astronomy Observatory

What is the Diameter of a Black Hole?

In fact, the diameter of a black hole is defined by its event horizon, as a black hole’s entire…

The most recent analysis of the structure of our Milky Way galaxy, derived from the Spitzer Space Telescope, indicates…

Based on the flux density scale for frequencies from 50 MHz to 50 GHz derived by Perley & Butler…

When a black hole becomes more active it behaves much like “active galactic nuclei”, or AGN, found quite frequently…

Let me refer you to a nice description of the Fanaroff-Riley (FR) classification and its possible connections to galaxy…

I don’t believe that there is a standard reference for the average distance between stars in the Milky Way…

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