General Meeting – June 2025

Irvine Lecture Hall of the Chapman University 336 N Center St, Orange, CA, United States

 Join Zoom This meeting's speaker will present inperson.   A trip to the Center of our Galaxy     The heart of the Milky Way is home to Sagittarius A*, a supermassive black hole approximately four million times the mass of the Sun. Although it remains largely quiet today, it is surrounded by a turbulent sea […]

General Meeting – July 2025

Irvine Lecture Hall of the Chapman University 336 N Center St, Orange, CA, United States

 Join Zoom This meeting's speaker will present inperson.   Backyard Exoplanet Observatory ...   measuring exoplanets with   a small backyard telescope   Amateur astronomers can measure exoplanet parameters from their suburban backyard using a small telescope, astronomy camera, and a laptop   Mr Hallman is a retired physicist with over 30 years experience in […]

General Meeting – August 2025

Irvine Lecture Hall of the Chapman University 336 N Center St, Orange, CA, United States

 Join Zoom This meeting's speaker will present online from Topeka, KS. Exploding Stars and Life on Earth   Scientists have long speculated that the history of life on Earth may have been influenced by cosmic explosions such as supernovae.  In recent decades the combination of astrophysical data and computational models have allowed detailed study of […]