Tuesdays – May 21, 28; June 4, 11 – 7 to 9 PM, online, four classes.
Detecting and identifying molecules in space and how they inform us of the evolution of the cosmos.
An intermediate course. $50 members/$60 non-members.
A separate FREE preview/review class on E/M waves is offered on Weds., May 15.
Click on title above for all details.

Wednesdays, 7 PM. June 12, 19, 26; July 3 (4 classes)
An introduction to timekeeping, calendars, astronomy coordinates, stars maps, and orbits in space.
Click course title for more details.