Experiment Report for the Eratosthenes Project on http://youth.net/ School Name: Galesburg High School School Location: Galesburg, Illinois 40.94 degrees North Latitude Email Address: cbuebe_at_galesburg205.org Experimenter: Carole Buebe & Dave Baxter Latitude 40.94 N Longitude: 90.39 W Distance to Equator: 4500 km Measured shadow angle in degrees: 40 Calculated Earth circumference: 40500 km Comments:Received on Fri Sep 30 2011 - 08:37:21 PDT