NS211: Natural Sciences

Course Calendar and Announcements	Problem Set Assignments and Solutions
Eratosthenes and the circumference of the earth	Exams (with Answers!)
Aristarchus and the distance to the sun	Syllabus and course plan
Ran's Home Page	Links to interesting sites

This page,maintained by Ran Sivron, was

Modified with permission from Ned Ladd's page at Bucknell University

Background is modified from www.stsci.edu (Hubble Space Telescope)