Recent content by BobAz

This thread established that what's inside a BH is irrelevant as long as there is sufficient mass within a small enough volume. (According to Schwarzschild in 1916, the radius of a BH event horizon is about 3 km per solar mass regardless of the BH mass. Surprised nobody mentioned this...

The most important thing I learned while teaching is the need to develop scientifically literate citizens capable of applying methods of observation, data collection, analysis, and validation to issues of public concern. I'd like to discuss how this can be furthered. By joining I hope to...

Bob Altizer from Phoenix AZ here, and glad to have discovered Physics Forums. My educational background is in astronomy and astrophysics, with degrees from UCLA and Northwestern, followed by a professional career in software and systems engineering and teaching introductory astronomy in the...