NOVAC General Meeting
Join NOVAC Astronomers
at GMU or Online
April 13, 2025

Dr. Robert Smith from the University of Alberta will present:  The Herschels: A Most Astronomical Family and the Transformation of Astronomy. In the late eighteenth and early nineteenth centuries, professional astronomers who worked at official observatories focused on the motions of astronomical bodies. The stars were generally only of interest as they provided a background grid

Judith Lean from the Laboratory for Atmospheric and Space Physics (LASP), University of Colorado, Boulder CO and the Space Science Division, Naval Research Laboratory (NRL), Washington DC (Emeritus)  will present her work related to Solar Irradiance: Earth’s energy sources.  Earth’s energy emanates from the Sun, a variable star. Solar irradiance heats Earth’s surface and atmosphere, initiating

NOVAC member Geoff Chester, who recently retired from The U.S. Naval Observatory (USNO) will talk about the mission of the USNO and his career highlights.  The USNO   performs an essential scientific role for the United States, the Navy, and the Department of Defense. Its mission includes determining the positions and motions of the Earth, Sun,

DSc. E.W. Cliver from the National Solar Observatory, Boulder, CO, will recount the life and career of Richard Christopher Carrington (1826 – 1875) and explore his pivotal relationship with Astronomer Royal George Biddell Airy. Carrington was the pre-eminent solar astronomer of the mid-19th century. During a ten year span, he determined the position of the

Dr. Renee Ludlum from the Department of Physics and Astronomy, Wayne State University, will join us virtually via Google Meet to discuss Extremes of the Cosmos: Neutron Stars. Dr. Renee Ludlum  Neutron stars are the densest compact objects with a surface in the Universe, yet many people have never heard of them. These objects are