Smorgasbord on Eclipses
Tuesdays, July 11, 18, 25; August 1, 8 at 7–9 PM, online. Reduced tuition, $60.
Broad info on eclipses and the coming Oct. 14 and April 8 solar ecl…
2024 Jan. Southern Skies (single class, free)- Lydia Petrosino Jan. Universal Timekeepers: Atoms as Cosmic Clocks.- David Helfand, Columbia U. Jan-Feb Introduction to Night Sky…