So that we might feel safe, the heavens disappear.
The Chicago Section of the Illuminating Engineering Society of North America is sponsoring a lecture tonight, February 19th, by Audrey Fischer, co-leader of the Chicago Chapter of the International Dark-Sky Association: Light Pollution, The Significance of Dark Sky Compliance. Arrival 6:00 P.M., Presentation 6:30 - 8:30 P.M., at AIA Chicago, 35 East Wacker Drive. $20.00 for IES members, $30.00 non-members, $5 students. Information on-line. Register on-line.